annotate src/regexp.c @ 28660:a3bcb2a30572 v8.2.4854

patch 8.2.4854: array size does not match usage Commit: https://github.com/vim/vim/commit/2f7e00a8aeceaf1d682d9e797149c1c51654ff68 Author: Christian Brabandt <cb@256bit.org> Date: Mon May 2 00:06:51 2022 +0100 patch 8.2.4854: array size does not match usage Problem: Array size does not match usage. Solution: Make array size 3 instead of 4. (Christian Brabandt, closes https://github.com/vim/vim/issues/10336)
author Bram Moolenaar <Bram@vim.org>
date Mon, 02 May 2022 01:15:04 +0200
parents 3c7f1b3ae427
children bfd8e25fa207
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1 /* vi:set ts=8 sts=4 sw=4 noet:
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2 *
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3 * Handling of regular expressions: vim_regcomp(), vim_regexec(), vim_regsub()
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4 */
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5
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6 // By default: do not create debugging logs or files related to regular
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7 // expressions, even when compiling with -DDEBUG.
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8 // Uncomment the second line to get the regexp debugging.
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9 #undef DEBUG
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10 // #define DEBUG
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11
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12 #include "vim.h"
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13
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14 #ifdef DEBUG
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15 // show/save debugging data when BT engine is used
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16 # define BT_REGEXP_DUMP
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17 // save the debugging data to a file instead of displaying it
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18 # define BT_REGEXP_LOG
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19 # define BT_REGEXP_DEBUG_LOG
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20 # define BT_REGEXP_DEBUG_LOG_NAME "bt_regexp_debug.log"
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21 #endif
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22
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23 /*
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24 * Magic characters have a special meaning, they don't match literally.
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25 * Magic characters are negative. This separates them from literal characters
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26 * (possibly multi-byte). Only ASCII characters can be Magic.
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27 */
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28 #define Magic(x) ((int)(x) - 256)
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29 #define un_Magic(x) ((x) + 256)
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30 #define is_Magic(x) ((x) < 0)
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31
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32 static int
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33 no_Magic(int x)
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34 {
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35 if (is_Magic(x))
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36 return un_Magic(x);
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37 return x;
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38 }
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39
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40 static int
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41 toggle_Magic(int x)
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42 {
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43 if (is_Magic(x))
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44 return un_Magic(x);
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45 return Magic(x);
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46 }
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47
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48 /*
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49 * The first byte of the BT regexp internal "program" is actually this magic
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50 * number; the start node begins in the second byte. It's used to catch the
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51 * most severe mutilation of the program by the caller.
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52 */
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53
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54 #define REGMAGIC 0234
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55
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56 /*
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57 * Utility definitions.
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58 */
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59 #define UCHARAT(p) ((int)*(char_u *)(p))
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60
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61 // Used for an error (down from) vim_regcomp(): give the error message, set
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62 // rc_did_emsg and return NULL
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63 #define EMSG_RET_NULL(m) return (emsg((m)), rc_did_emsg = TRUE, (void *)NULL)
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64 #define IEMSG_RET_NULL(m) return (iemsg((m)), rc_did_emsg = TRUE, (void *)NULL)
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65 #define EMSG_RET_FAIL(m) return (emsg((m)), rc_did_emsg = TRUE, FAIL)
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66 #define EMSG2_RET_NULL(m, c) return (semsg((const char *)(m), (c) ? "" : "\\"), rc_did_emsg = TRUE, (void *)NULL)
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67 #define EMSG3_RET_NULL(m, c, a) return (semsg((const char *)(m), (c) ? "" : "\\", (a)), rc_did_emsg = TRUE, (void *)NULL)
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68 #define EMSG2_RET_FAIL(m, c) return (semsg((const char *)(m), (c) ? "" : "\\"), rc_did_emsg = TRUE, FAIL)
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69 #define EMSG_ONE_RET_NULL EMSG2_RET_NULL(_(e_invalid_item_in_str_brackets), reg_magic == MAGIC_ALL)
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70
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71
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72 #define MAX_LIMIT (32767L << 16L)
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73
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74 #define NOT_MULTI 0
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75 #define MULTI_ONE 1
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76 #define MULTI_MULT 2
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77
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78 // return values for regmatch()
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79 #define RA_FAIL 1 // something failed, abort
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80 #define RA_CONT 2 // continue in inner loop
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81 #define RA_BREAK 3 // break inner loop
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82 #define RA_MATCH 4 // successful match
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83 #define RA_NOMATCH 5 // didn't match
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84
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85 /*
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86 * Return NOT_MULTI if c is not a "multi" operator.
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87 * Return MULTI_ONE if c is a single "multi" operator.
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88 * Return MULTI_MULT if c is a multi "multi" operator.
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89 */
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90 static int
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91 re_multi_type(int c)
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92 {
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93 if (c == Magic('@') || c == Magic('=') || c == Magic('?'))
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94 return MULTI_ONE;
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95 if (c == Magic('*') || c == Magic('+') || c == Magic('{'))
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96 return MULTI_MULT;
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97 return NOT_MULTI;
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98 }
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99
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100 static char_u *reg_prev_sub = NULL;
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101
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102 /*
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103 * REGEXP_INRANGE contains all characters which are always special in a []
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104 * range after '\'.
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105 * REGEXP_ABBR contains all characters which act as abbreviations after '\'.
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106 * These are:
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107 * \n - New line (NL).
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108 * \r - Carriage Return (CR).
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109 * \t - Tab (TAB).
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110 * \e - Escape (ESC).
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111 * \b - Backspace (Ctrl_H).
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112 * \d - Character code in decimal, eg \d123
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113 * \o - Character code in octal, eg \o80
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114 * \x - Character code in hex, eg \x4a
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115 * \u - Multibyte character code, eg \u20ac
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116 * \U - Long multibyte character code, eg \U12345678
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117 */
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118 static char_u REGEXP_INRANGE[] = "]^-n\\";
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119 static char_u REGEXP_ABBR[] = "nrtebdoxuU";
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120
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121 /*
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122 * Translate '\x' to its control character, except "\n", which is Magic.
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123 */
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124 static int
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125 backslash_trans(int c)
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126 {
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127 switch (c)
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128 {
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129 case 'r': return CAR;
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130 case 't': return TAB;
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131 case 'e': return ESC;
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132 case 'b': return BS;
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133 }
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134 return c;
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135 }
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136
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137 /*
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138 * Check for a character class name "[:name:]". "pp" points to the '['.
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139 * Returns one of the CLASS_ items. CLASS_NONE means that no item was
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140 * recognized. Otherwise "pp" is advanced to after the item.
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141 */
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142 static int
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143 get_char_class(char_u **pp)
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144 {
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145 static const char *(class_names[]) =
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146 {
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147 "alnum:]",
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148 #define CLASS_ALNUM 0
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149 "alpha:]",
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150 #define CLASS_ALPHA 1
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151 "blank:]",
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152 #define CLASS_BLANK 2
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153 "cntrl:]",
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154 #define CLASS_CNTRL 3
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155 "digit:]",
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156 #define CLASS_DIGIT 4
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157 "graph:]",
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158 #define CLASS_GRAPH 5
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159 "lower:]",
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160 #define CLASS_LOWER 6
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161 "print:]",
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162 #define CLASS_PRINT 7
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163 "punct:]",
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164 #define CLASS_PUNCT 8
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165 "space:]",
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166 #define CLASS_SPACE 9
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167 "upper:]",
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168 #define CLASS_UPPER 10
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169 "xdigit:]",
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170 #define CLASS_XDIGIT 11
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171 "tab:]",
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172 #define CLASS_TAB 12
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173 "return:]",
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174 #define CLASS_RETURN 13
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175 "backspace:]",
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176 #define CLASS_BACKSPACE 14
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177 "escape:]",
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178 #define CLASS_ESCAPE 15
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179 "ident:]",
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180 #define CLASS_IDENT 16
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181 "keyword:]",
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182 #define CLASS_KEYWORD 17
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183 "fname:]",
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184 #define CLASS_FNAME 18
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185 };
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186 #define CLASS_NONE 99
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187 int i;
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188
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189 if ((*pp)[1] == ':')
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190 {
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191 for (i = 0; i < (int)ARRAY_LENGTH(class_names); ++i)
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192 if (STRNCMP(*pp + 2, class_names[i], STRLEN(class_names[i])) == 0)
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193 {
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194 *pp += STRLEN(class_names[i]) + 2;
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195 return i;
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196 }
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197 }
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198 return CLASS_NONE;
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199 }
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200
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201 /*
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202 * Specific version of character class functions.
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203 * Using a table to keep this fast.
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204 */
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205 static short class_tab[256];
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206
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207 #define RI_DIGIT 0x01
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208 #define RI_HEX 0x02
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209 #define RI_OCTAL 0x04
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210 #define RI_WORD 0x08
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211 #define RI_HEAD 0x10
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212 #define RI_ALPHA 0x20
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213 #define RI_LOWER 0x40
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214 #define RI_UPPER 0x80
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215 #define RI_WHITE 0x100
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216
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217 static void
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218 init_class_tab(void)
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219 {
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220 int i;
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221 static int done = FALSE;
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222
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223 if (done)
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224 return;
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225
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226 for (i = 0; i < 256; ++i)
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227 {
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228 if (i >= '0' && i <= '7')
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229 class_tab[i] = RI_DIGIT + RI_HEX + RI_OCTAL + RI_WORD;
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230 else if (i >= '8' && i <= '9')
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231 class_tab[i] = RI_DIGIT + RI_HEX + RI_WORD;
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232 else if (i >= 'a' && i <= 'f')
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233 class_tab[i] = RI_HEX + RI_WORD + RI_HEAD + RI_ALPHA + RI_LOWER;
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234 else if (i >= 'g' && i <= 'z')
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235 class_tab[i] = RI_WORD + RI_HEAD + RI_ALPHA + RI_LOWER;
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236 else if (i >= 'A' && i <= 'F')
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237 class_tab[i] = RI_HEX + RI_WORD + RI_HEAD + RI_ALPHA + RI_UPPER;
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238 else if (i >= 'G' && i <= 'Z')
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239 class_tab[i] = RI_WORD + RI_HEAD + RI_ALPHA + RI_UPPER;
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240 else if (i == '_')
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241 class_tab[i] = RI_WORD + RI_HEAD;
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242 else
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243 class_tab[i] = 0;
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244 }
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245 class_tab[' '] |= RI_WHITE;
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246 class_tab['\t'] |= RI_WHITE;
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247 done = TRUE;
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248 }
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249
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250 #define ri_digit(c) ((c) < 0x100 && (class_tab[c] & RI_DIGIT))
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251 #define ri_hex(c) ((c) < 0x100 && (class_tab[c] & RI_HEX))
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252 #define ri_octal(c) ((c) < 0x100 && (class_tab[c] & RI_OCTAL))
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253 #define ri_word(c) ((c) < 0x100 && (class_tab[c] & RI_WORD))
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254 #define ri_head(c) ((c) < 0x100 && (class_tab[c] & RI_HEAD))
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255 #define ri_alpha(c) ((c) < 0x100 && (class_tab[c] & RI_ALPHA))
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256 #define ri_lower(c) ((c) < 0x100 && (class_tab[c] & RI_LOWER))
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257 #define ri_upper(c) ((c) < 0x100 && (class_tab[c] & RI_UPPER))
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258 #define ri_white(c) ((c) < 0x100 && (class_tab[c] & RI_WHITE))
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259
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260 // flags for regflags
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261 #define RF_ICASE 1 // ignore case
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262 #define RF_NOICASE 2 // don't ignore case
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263 #define RF_HASNL 4 // can match a NL
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264 #define RF_ICOMBINE 8 // ignore combining characters
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265 #define RF_LOOKBH 16 // uses "\@<=" or "\@<!"
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266
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267 /*
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268 * Global work variables for vim_regcomp().
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269 */
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270
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271 static char_u *regparse; // Input-scan pointer.
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272 static int regnpar; // () count.
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273 static int wants_nfa; // regex should use NFA engine
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274 #ifdef FEAT_SYN_HL
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275 static int regnzpar; // \z() count.
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276 static int re_has_z; // \z item detected
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277 #endif
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278 static unsigned regflags; // RF_ flags for prog
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279 #if defined(FEAT_SYN_HL) || defined(PROTO)
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280 static int had_eol; // TRUE when EOL found by vim_regcomp()
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281 #endif
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282
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283 static magic_T reg_magic; // magicness of the pattern
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284
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285 static int reg_string; // matching with a string instead of a buffer
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286 // line
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287 static int reg_strict; // "[abc" is illegal
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288
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289 /*
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290 * META contains all characters that may be magic, except '^' and '$'.
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291 */
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292
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293 // META[] is used often enough to justify turning it into a table.
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294 static char_u META_flags[] = {
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295 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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296 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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297 // % & ( ) * + .
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298 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 0,
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299 // 1 2 3 4 5 6 7 8 9 < = > ?
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300 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1,
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301 // @ A C D F H I K L M O
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302 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1,
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303 // P S U V W X Z [ _
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304 1, 0, 0, 1, 0, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1,
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305 // a c d f h i k l m n o
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306 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1,
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307 // p s u v w x z { | ~
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308 1, 0, 0, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1
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309 };
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310
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311 static int curchr; // currently parsed character
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312 // Previous character. Note: prevchr is sometimes -1 when we are not at the
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313 // start, eg in /[ ^I]^ the pattern was never found even if it existed,
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314 // because ^ was taken to be magic -- webb
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315 static int prevchr;
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316 static int prevprevchr; // previous-previous character
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317 static int nextchr; // used for ungetchr()
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318
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319 // arguments for reg()
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320 #define REG_NOPAREN 0 // toplevel reg()
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321 #define REG_PAREN 1 // \(\)
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322 #define REG_ZPAREN 2 // \z(\)
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323 #define REG_NPAREN 3 // \%(\)
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diff changeset
324
4679
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diff changeset
325 typedef struct
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parents: 4579
diff changeset
326 {
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diff changeset
327 char_u *regparse;
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parents: 4579
diff changeset
328 int prevchr_len;
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parents: 4579
diff changeset
329 int curchr;
4d92b873acef updated for version 7.3.1087
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parents: 4579
diff changeset
330 int prevchr;
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parents: 4579
diff changeset
331 int prevprevchr;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
332 int nextchr;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
333 int at_start;
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parents: 4579
diff changeset
334 int prev_at_start;
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parents: 4579
diff changeset
335 int regnpar;
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parents: 4579
diff changeset
336 } parse_state_T;
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parents: 4579
diff changeset
337
7805
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Christian Brabandt <cb@256bit.org>
parents: 7009
diff changeset
338 static void initchr(char_u *);
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Christian Brabandt <cb@256bit.org>
parents: 7009
diff changeset
339 static int getchr(void);
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Christian Brabandt <cb@256bit.org>
parents: 7009
diff changeset
340 static void skipchr_keepstart(void);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 7009
diff changeset
341 static int peekchr(void);
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Christian Brabandt <cb@256bit.org>
parents: 7009
diff changeset
342 static void skipchr(void);
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Christian Brabandt <cb@256bit.org>
parents: 7009
diff changeset
343 static void ungetchr(void);
12752
09c856605191 patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents: 12674
diff changeset
344 static long gethexchrs(int maxinputlen);
09c856605191 patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents: 12674
diff changeset
345 static long getoctchrs(void);
09c856605191 patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents: 12674
diff changeset
346 static long getdecchrs(void);
7805
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Christian Brabandt <cb@256bit.org>
parents: 7009
diff changeset
347 static int coll_get_char(void);
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Christian Brabandt <cb@256bit.org>
parents: 7009
diff changeset
348 static int prog_magic_wrong(void);
18019
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
349 static int cstrncmp(char_u *s1, char_u *s2, int *n);
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
350 static char_u *cstrchr(char_u *, int);
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
351 static int re_mult_next(char *what);
15709
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
352 static int reg_iswordc(int);
23471
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns
Bram Moolenaar <Bram@vim.org>
parents: 22167
diff changeset
353 #ifdef FEAT_EVAL
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns
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parents: 22167
diff changeset
354 static void report_re_switch(char_u *pat);
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns
Bram Moolenaar <Bram@vim.org>
parents: 22167
diff changeset
355 #endif
7
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diff changeset
356
4444
ccecb03e5e8b updated for version 7.3.970
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parents: 4244
diff changeset
357 static regengine_T bt_regengine;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
358 static regengine_T nfa_regengine;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
359
7
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vimboss
parents:
diff changeset
360 /*
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vimboss
parents:
diff changeset
361 * Return TRUE if compiled regular expression "prog" can match a line break.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
362 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
363 int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
364 re_multiline(regprog_T *prog)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
365 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
366 return (prog->regflags & RF_HASNL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
367 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
368
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vimboss
parents:
diff changeset
369 /*
167
c93c9cad9618 updated for version 7.0051
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parents: 153
diff changeset
370 * Check for an equivalence class name "[=a=]". "pp" points to the '['.
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
371 * Returns a character representing the class. Zero means that no item was
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
372 * recognized. Otherwise "pp" is advanced to after the item.
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
373 */
c93c9cad9618 updated for version 7.0051
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parents: 153
diff changeset
374 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
375 get_equi_class(char_u **pp)
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
376 {
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
377 int c;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
378 int l = 1;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
379 char_u *p = *pp;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
380
15854
4ac1c185b0b8 patch 8.1.0934: invalid memory access in search pattern
Bram Moolenaar <Bram@vim.org>
parents: 15792
diff changeset
381 if (p[1] == '=' && p[2] != NUL)
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
382 {
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
383 if (has_mbyte)
474
a5fcf36ef512 updated for version 7.0127
vimboss
parents: 418
diff changeset
384 l = (*mb_ptr2len)(p + 2);
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
385 if (p[l + 2] == '=' && p[l + 3] == ']')
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
386 {
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
387 if (has_mbyte)
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
388 c = mb_ptr2char(p + 2);
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
389 else
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
390 c = p[2];
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
391 *pp += l + 4;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
392 return c;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
393 }
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
394 }
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
395 return 0;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
396 }
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
397
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
398 /*
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
399 * Check for a collating element "[.a.]". "pp" points to the '['.
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
400 * Returns a character. Zero means that no item was recognized. Otherwise
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
401 * "pp" is advanced to after the item.
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
402 * Currently only single characters are recognized!
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
403 */
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
404 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
405 get_coll_element(char_u **pp)
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
406 {
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
407 int c;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
408 int l = 1;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
409 char_u *p = *pp;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
410
15860
9cd9bf2897de patch 8.1.0937: invalid memory access in search pattern
Bram Moolenaar <Bram@vim.org>
parents: 15856
diff changeset
411 if (p[0] != NUL && p[1] == '.' && p[2] != NUL)
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
412 {
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
413 if (has_mbyte)
474
a5fcf36ef512 updated for version 7.0127
vimboss
parents: 418
diff changeset
414 l = (*mb_ptr2len)(p + 2);
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
415 if (p[l + 2] == '.' && p[l + 3] == ']')
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
416 {
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
417 if (has_mbyte)
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
418 c = mb_ptr2char(p + 2);
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
419 else
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
420 c = p[2];
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
421 *pp += l + 4;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
422 return c;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
423 }
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
424 }
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
425 return 0;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
426 }
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
427
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
428 static int reg_cpo_lit; // 'cpoptions' contains 'l' flag
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
429 static int reg_cpo_bsl; // 'cpoptions' contains '\' flag
4744
a62695305e03 updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents: 4732
diff changeset
430
a62695305e03 updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents: 4732
diff changeset
431 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
432 get_cpo_flags(void)
4744
a62695305e03 updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents: 4732
diff changeset
433 {
a62695305e03 updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents: 4732
diff changeset
434 reg_cpo_lit = vim_strchr(p_cpo, CPO_LITERAL) != NULL;
a62695305e03 updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents: 4732
diff changeset
435 reg_cpo_bsl = vim_strchr(p_cpo, CPO_BACKSL) != NULL;
a62695305e03 updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents: 4732
diff changeset
436 }
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
437
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
438 /*
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
439 * Skip over a "[]" range.
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
440 * "p" must point to the character after the '['.
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
441 * The returned pointer is on the matching ']', or the terminating NUL.
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
442 */
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
443 static char_u *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
444 skip_anyof(char_u *p)
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
445 {
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
446 int l;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
447
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
448 if (*p == '^') // Complement of range.
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
449 ++p;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
450 if (*p == ']' || *p == '-')
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
451 ++p;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
452 while (*p != NUL && *p != ']')
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
453 {
474
a5fcf36ef512 updated for version 7.0127
vimboss
parents: 418
diff changeset
454 if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1)
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
455 p += l;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
456 else
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
457 if (*p == '-')
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
458 {
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
459 ++p;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
460 if (*p != ']' && *p != NUL)
11127
506f5d8b7d8b patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 11121
diff changeset
461 MB_PTR_ADV(p);
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
462 }
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
463 else if (*p == '\\'
4744
a62695305e03 updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents: 4732
diff changeset
464 && !reg_cpo_bsl
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
465 && (vim_strchr(REGEXP_INRANGE, p[1]) != NULL
4744
a62695305e03 updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents: 4732
diff changeset
466 || (!reg_cpo_lit && vim_strchr(REGEXP_ABBR, p[1]) != NULL)))
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
467 p += 2;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
468 else if (*p == '[')
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
469 {
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
470 if (get_char_class(&p) == CLASS_NONE
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
471 && get_equi_class(&p) == 0
6830
70fdcdaf96a6 patch 7.4.736
Bram Moolenaar <bram@vim.org>
parents: 6785
diff changeset
472 && get_coll_element(&p) == 0
70fdcdaf96a6 patch 7.4.736
Bram Moolenaar <bram@vim.org>
parents: 6785
diff changeset
473 && *p != NUL)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
474 ++p; // it is not a class name and not NUL
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
475 }
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
476 else
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
477 ++p;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
478 }
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
479
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
480 return p;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
481 }
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
482
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
483 /*
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
484 * Skip past regular expression.
20113
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
485 * Stop at end of "startp" or where "delim" is found ('/', '?', etc).
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
486 * Take care of characters with a backslash in front of it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
487 * Skip strings inside [ and ].
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
488 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
489 char_u *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
490 skip_regexp(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
491 char_u *startp,
20113
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
492 int delim,
19892
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
493 int magic)
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
494 {
23505
bb29b09902d5 patch 8.2.2295: incsearch does not detect empty pattern properly
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
495 return skip_regexp_ex(startp, delim, magic, NULL, NULL, NULL);
20113
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
496 }
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
497
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
498 /*
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
499 * Call skip_regexp() and when the delimiter does not match give an error and
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
500 * return NULL.
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
501 */
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
502 char_u *
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
503 skip_regexp_err(
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
504 char_u *startp,
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
505 int delim,
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
506 int magic)
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
507 {
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
508 char_u *p = skip_regexp(startp, delim, magic);
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
509
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
510 if (*p != delim)
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
511 {
26952
b34ddbca305c patch 8.2.4005: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26917
diff changeset
512 semsg(_(e_missing_delimiter_after_search_pattern_str), startp);
20113
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
513 return NULL;
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
514 }
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
515 return p;
19892
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
516 }
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
517
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
518 /*
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
519 * skip_regexp() with extra arguments:
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
520 * When "newp" is not NULL and "dirc" is '?', make an allocated copy of the
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
521 * expression and change "\?" to "?". If "*newp" is not NULL the expression
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
522 * is changed in-place.
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
523 * If a "\?" is changed to "?" then "dropped" is incremented, unless NULL.
23505
bb29b09902d5 patch 8.2.2295: incsearch does not detect empty pattern properly
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
524 * If "magic_val" is not NULL, returns the effective magicness of the pattern
19892
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
525 */
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
526 char_u *
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
527 skip_regexp_ex(
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
528 char_u *startp,
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
529 int dirc,
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
530 int magic,
19892
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
531 char_u **newp,
23505
bb29b09902d5 patch 8.2.2295: incsearch does not detect empty pattern properly
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
532 int *dropped,
bb29b09902d5 patch 8.2.2295: incsearch does not detect empty pattern properly
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
533 magic_T *magic_val)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
534 {
23505
bb29b09902d5 patch 8.2.2295: incsearch does not detect empty pattern properly
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
535 magic_T mymagic;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
536 char_u *p = startp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
537
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
538 if (magic)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
539 mymagic = MAGIC_ON;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
540 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
541 mymagic = MAGIC_OFF;
4744
a62695305e03 updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents: 4732
diff changeset
542 get_cpo_flags();
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
543
11127
506f5d8b7d8b patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 11121
diff changeset
544 for (; p[0] != NUL; MB_PTR_ADV(p))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
545 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
546 if (p[0] == dirc) // found end of regexp
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
547 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
548 if ((p[0] == '[' && mymagic >= MAGIC_ON)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
549 || (p[0] == '\\' && p[1] == '[' && mymagic <= MAGIC_OFF))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
550 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
551 p = skip_anyof(p + 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
552 if (p[0] == NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
553 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
554 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
555 else if (p[0] == '\\' && p[1] != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
556 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
557 if (dirc == '?' && newp != NULL && p[1] == '?')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
558 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
559 // change "\?" to "?", make a copy first.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
560 if (*newp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
561 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
562 *newp = vim_strsave(startp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
563 if (*newp != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
564 p = *newp + (p - startp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
565 }
19892
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
566 if (dropped != NULL)
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
567 ++*dropped;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
568 if (*newp != NULL)
1621
82b5078be2dd updated for version 7.2a
vimboss
parents: 1602
diff changeset
569 STRMOVE(p, p + 1);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
570 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
571 ++p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
572 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
573 else
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
574 ++p; // skip next character
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
575 if (*p == 'v')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
576 mymagic = MAGIC_ALL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
577 else if (*p == 'V')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
578 mymagic = MAGIC_NONE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
579 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
580 }
23505
bb29b09902d5 patch 8.2.2295: incsearch does not detect empty pattern properly
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
581 if (magic_val != NULL)
bb29b09902d5 patch 8.2.2295: incsearch does not detect empty pattern properly
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
582 *magic_val = mymagic;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
583 return p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
584 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
585
11525
14b6b79d685b patch 8.0.0645: no error for illegal back reference in NFA engine
Christian Brabandt <cb@256bit.org>
parents: 11521
diff changeset
586 /*
18019
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
587 * Functions for getting characters from the regexp input.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
588 */
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
589 static int prevchr_len; // byte length of previous char
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
590 static int at_start; // True when on the first character
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
591 static int prev_at_start; // True when on the second character
8021
b6b4f354df23 commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd
Christian Brabandt <cb@256bit.org>
parents: 7833
diff changeset
592
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
593 /*
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
594 * Start parsing at "str".
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
595 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
596 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
597 initchr(char_u *str)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
598 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
599 regparse = str;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
600 prevchr_len = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
601 curchr = prevprevchr = prevchr = nextchr = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
602 at_start = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
603 prev_at_start = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
604 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
605
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
606 /*
4679
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
607 * Save the current parse state, so that it can be restored and parsing
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
608 * starts in the same state again.
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
609 */
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
610 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
611 save_parse_state(parse_state_T *ps)
4679
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
612 {
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
613 ps->regparse = regparse;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
614 ps->prevchr_len = prevchr_len;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
615 ps->curchr = curchr;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
616 ps->prevchr = prevchr;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
617 ps->prevprevchr = prevprevchr;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
618 ps->nextchr = nextchr;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
619 ps->at_start = at_start;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
620 ps->prev_at_start = prev_at_start;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
621 ps->regnpar = regnpar;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
622 }
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
623
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
624 /*
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
625 * Restore a previously saved parse state.
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
626 */
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
627 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
628 restore_parse_state(parse_state_T *ps)
4679
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
629 {
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
630 regparse = ps->regparse;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
631 prevchr_len = ps->prevchr_len;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
632 curchr = ps->curchr;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
633 prevchr = ps->prevchr;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
634 prevprevchr = ps->prevprevchr;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
635 nextchr = ps->nextchr;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
636 at_start = ps->at_start;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
637 prev_at_start = ps->prev_at_start;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
638 regnpar = ps->regnpar;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
639 }
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
640
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
641
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
642 /*
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
643 * Get the next character without advancing.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
644 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
645 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
646 peekchr(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
647 {
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
648 static int after_slash = FALSE;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
649
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
650 if (curchr == -1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
651 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
652 switch (curchr = regparse[0])
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
653 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
654 case '.':
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
655 case '[':
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
656 case '~':
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
657 // magic when 'magic' is on
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
658 if (reg_magic >= MAGIC_ON)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
659 curchr = Magic(curchr);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
660 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
661 case '(':
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
662 case ')':
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
663 case '{':
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
664 case '%':
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
665 case '+':
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
666 case '=':
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
667 case '?':
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
668 case '@':
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
669 case '!':
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
670 case '&':
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
671 case '|':
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
672 case '<':
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
673 case '>':
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
674 case '#': // future ext.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
675 case '"': // future ext.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
676 case '\'': // future ext.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
677 case ',': // future ext.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
678 case '-': // future ext.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
679 case ':': // future ext.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
680 case ';': // future ext.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
681 case '`': // future ext.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
682 case '/': // Can't be used in / command
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
683 // magic only after "\v"
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
684 if (reg_magic == MAGIC_ALL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
685 curchr = Magic(curchr);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
686 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
687 case '*':
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
688 // * is not magic as the very first character, eg "?*ptr", when
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
689 // after '^', eg "/^*ptr" and when after "\(", "\|", "\&". But
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
690 // "\(\*" is not magic, thus must be magic if "after_slash"
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
691 if (reg_magic >= MAGIC_ON
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
692 && !at_start
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
693 && !(prev_at_start && prevchr == Magic('^'))
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
694 && (after_slash
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
695 || (prevchr != Magic('(')
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
696 && prevchr != Magic('&')
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
697 && prevchr != Magic('|'))))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
698 curchr = Magic('*');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
699 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
700 case '^':
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
701 // '^' is only magic as the very first character and if it's after
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
702 // "\(", "\|", "\&' or "\n"
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
703 if (reg_magic >= MAGIC_OFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
704 && (at_start
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
705 || reg_magic == MAGIC_ALL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
706 || prevchr == Magic('(')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
707 || prevchr == Magic('|')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
708 || prevchr == Magic('&')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
709 || prevchr == Magic('n')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
710 || (no_Magic(prevchr) == '('
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
711 && prevprevchr == Magic('%'))))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
712 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
713 curchr = Magic('^');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
714 at_start = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
715 prev_at_start = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
716 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
717 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
718 case '$':
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
719 // '$' is only magic as the very last char and if it's in front of
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
720 // either "\|", "\)", "\&", or "\n"
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
721 if (reg_magic >= MAGIC_OFF)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
722 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
723 char_u *p = regparse + 1;
6041
761687c6808f updated for version 7.4.360
Bram Moolenaar <bram@vim.org>
parents: 5901
diff changeset
724 int is_magic_all = (reg_magic == MAGIC_ALL);
761687c6808f updated for version 7.4.360
Bram Moolenaar <bram@vim.org>
parents: 5901
diff changeset
725
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
726 // ignore \c \C \m \M \v \V and \Z after '$'
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
727 while (p[0] == '\\' && (p[1] == 'c' || p[1] == 'C'
6041
761687c6808f updated for version 7.4.360
Bram Moolenaar <bram@vim.org>
parents: 5901
diff changeset
728 || p[1] == 'm' || p[1] == 'M'
761687c6808f updated for version 7.4.360
Bram Moolenaar <bram@vim.org>
parents: 5901
diff changeset
729 || p[1] == 'v' || p[1] == 'V' || p[1] == 'Z'))
761687c6808f updated for version 7.4.360
Bram Moolenaar <bram@vim.org>
parents: 5901
diff changeset
730 {
761687c6808f updated for version 7.4.360
Bram Moolenaar <bram@vim.org>
parents: 5901
diff changeset
731 if (p[1] == 'v')
761687c6808f updated for version 7.4.360
Bram Moolenaar <bram@vim.org>
parents: 5901
diff changeset
732 is_magic_all = TRUE;
761687c6808f updated for version 7.4.360
Bram Moolenaar <bram@vim.org>
parents: 5901
diff changeset
733 else if (p[1] == 'm' || p[1] == 'M' || p[1] == 'V')
761687c6808f updated for version 7.4.360
Bram Moolenaar <bram@vim.org>
parents: 5901
diff changeset
734 is_magic_all = FALSE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
735 p += 2;
6041
761687c6808f updated for version 7.4.360
Bram Moolenaar <bram@vim.org>
parents: 5901
diff changeset
736 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
737 if (p[0] == NUL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
738 || (p[0] == '\\'
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
739 && (p[1] == '|' || p[1] == '&' || p[1] == ')'
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
740 || p[1] == 'n'))
6041
761687c6808f updated for version 7.4.360
Bram Moolenaar <bram@vim.org>
parents: 5901
diff changeset
741 || (is_magic_all
761687c6808f updated for version 7.4.360
Bram Moolenaar <bram@vim.org>
parents: 5901
diff changeset
742 && (p[0] == '|' || p[0] == '&' || p[0] == ')'))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
743 || reg_magic == MAGIC_ALL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
744 curchr = Magic('$');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
745 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
746 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
747 case '\\':
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
748 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
749 int c = regparse[1];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
750
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
751 if (c == NUL)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
752 curchr = '\\'; // trailing '\'
27490
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27468
diff changeset
753 else if (c <= '~' && META_flags[c])
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
754 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
755 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
756 * META contains everything that may be magic sometimes,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
757 * except ^ and $ ("\^" and "\$" are only magic after
6830
70fdcdaf96a6 patch 7.4.736
Bram Moolenaar <bram@vim.org>
parents: 6785
diff changeset
758 * "\V"). We now fetch the next character and toggle its
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
759 * magicness. Therefore, \ is so meta-magic that it is
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
760 * not in META.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
761 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
762 curchr = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
763 prev_at_start = at_start;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
764 at_start = FALSE; // be able to say "/\*ptr"
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
765 ++regparse;
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
766 ++after_slash;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
767 peekchr();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
768 --regparse;
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
769 --after_slash;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
770 curchr = toggle_Magic(curchr);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
771 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
772 else if (vim_strchr(REGEXP_ABBR, c))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
773 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
774 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
775 * Handle abbreviations, like "\t" for TAB -- webb
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
776 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
777 curchr = backslash_trans(c);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
778 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
779 else if (reg_magic == MAGIC_NONE && (c == '$' || c == '^'))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
780 curchr = toggle_Magic(c);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
781 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
782 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
783 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
784 * Next character can never be (made) magic?
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
785 * Then backslashing it won't do anything.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
786 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
787 if (has_mbyte)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
788 curchr = (*mb_ptr2char)(regparse + 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
789 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
790 curchr = c;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
791 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
792 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
793 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
794
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
795 default:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
796 if (has_mbyte)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
797 curchr = (*mb_ptr2char)(regparse);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
798 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
799 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
800
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
801 return curchr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
802 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
803
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
804 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
805 * Eat one lexed character. Do this in a way that we can undo it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
806 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
807 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
808 skipchr(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
809 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
810 // peekchr() eats a backslash, do the same here
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
811 if (*regparse == '\\')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
812 prevchr_len = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
813 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
814 prevchr_len = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
815 if (regparse[prevchr_len] != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
816 {
714
0f9f4761ad9c updated for version 7.0216
vimboss
parents: 692
diff changeset
817 if (enc_utf8)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
818 // exclude composing chars that mb_ptr2len does include
1449
799c1db62b42 updated for version 7.1-164
vimboss
parents: 1347
diff changeset
819 prevchr_len += utf_ptr2len(regparse + prevchr_len);
714
0f9f4761ad9c updated for version 7.0216
vimboss
parents: 692
diff changeset
820 else if (has_mbyte)
474
a5fcf36ef512 updated for version 7.0127
vimboss
parents: 418
diff changeset
821 prevchr_len += (*mb_ptr2len)(regparse + prevchr_len);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
822 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
823 ++prevchr_len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
824 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
825 regparse += prevchr_len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
826 prev_at_start = at_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
827 at_start = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
828 prevprevchr = prevchr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
829 prevchr = curchr;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
830 curchr = nextchr; // use previously unget char, or -1
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
831 nextchr = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
832 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
833
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
834 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
835 * Skip a character while keeping the value of prev_at_start for at_start.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
836 * prevchr and prevprevchr are also kept.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
837 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
838 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
839 skipchr_keepstart(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
840 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
841 int as = prev_at_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
842 int pr = prevchr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
843 int prpr = prevprevchr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
844
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
845 skipchr();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
846 at_start = as;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
847 prevchr = pr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
848 prevprevchr = prpr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
849 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
850
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
851 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
852 * Get the next character from the pattern. We know about magic and such, so
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
853 * therefore we need a lexical analyzer.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
854 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
855 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
856 getchr(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
857 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
858 int chr = peekchr();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
859
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
860 skipchr();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
861 return chr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
862 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
863
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
864 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
865 * put character back. Works only once!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
866 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
867 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
868 ungetchr(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
869 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
870 nextchr = curchr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
871 curchr = prevchr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
872 prevchr = prevprevchr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
873 at_start = prev_at_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
874 prev_at_start = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
875
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
876 // Backup regparse, so that it's at the same position as before the
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
877 // getchr().
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
878 regparse -= prevchr_len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
879 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
880
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
881 /*
29
ac33b7c03fac updated for version 7.0018
vimboss
parents: 24
diff changeset
882 * Get and return the value of the hex string at the current position.
ac33b7c03fac updated for version 7.0018
vimboss
parents: 24
diff changeset
883 * Return -1 if there is no valid hex number.
ac33b7c03fac updated for version 7.0018
vimboss
parents: 24
diff changeset
884 * The position is updated:
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
885 * blahblah\%x20asdf
856
8cd729851562 updated for version 7.0g
vimboss
parents: 840
diff changeset
886 * before-^ ^-after
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
887 * The parameter controls the maximum number of input characters. This will be
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
888 * 2 when reading a \%x20 sequence and 4 when reading a \%u20AC sequence.
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
889 */
12752
09c856605191 patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents: 12674
diff changeset
890 static long
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
891 gethexchrs(int maxinputlen)
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
892 {
12752
09c856605191 patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents: 12674
diff changeset
893 long_u nr = 0;
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
894 int c;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
895 int i;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
896
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
897 for (i = 0; i < maxinputlen; ++i)
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
898 {
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
899 c = regparse[0];
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
900 if (!vim_isxdigit(c))
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
901 break;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
902 nr <<= 4;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
903 nr |= hex2nr(c);
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
904 ++regparse;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
905 }
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
906
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
907 if (i == 0)
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
908 return -1;
12752
09c856605191 patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents: 12674
diff changeset
909 return (long)nr;
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
910 }
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
911
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
912 /*
4579
7a2be4a39423 updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents: 4505
diff changeset
913 * Get and return the value of the decimal string immediately after the
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
914 * current position. Return -1 for invalid. Consumes all digits.
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
915 */
12752
09c856605191 patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents: 12674
diff changeset
916 static long
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
917 getdecchrs(void)
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
918 {
12752
09c856605191 patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents: 12674
diff changeset
919 long_u nr = 0;
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
920 int c;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
921 int i;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
922
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
923 for (i = 0; ; ++i)
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
924 {
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
925 c = regparse[0];
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
926 if (c < '0' || c > '9')
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
927 break;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
928 nr *= 10;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
929 nr += c - '0';
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
930 ++regparse;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
931 curchr = -1; // no longer valid
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
932 }
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
933
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
934 if (i == 0)
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
935 return -1;
12752
09c856605191 patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents: 12674
diff changeset
936 return (long)nr;
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
937 }
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
938
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
939 /*
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
940 * get and return the value of the octal string immediately after the current
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
941 * position. Return -1 for invalid, or 0-255 for valid. Smart enough to handle
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
942 * numbers > 377 correctly (for example, 400 is treated as 40) and doesn't
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
943 * treat 8 or 9 as recognised characters. Position is updated:
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
944 * blahblah\%o210asdf
856
8cd729851562 updated for version 7.0g
vimboss
parents: 840
diff changeset
945 * before-^ ^-after
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
946 */
12752
09c856605191 patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents: 12674
diff changeset
947 static long
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
948 getoctchrs(void)
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
949 {
12752
09c856605191 patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents: 12674
diff changeset
950 long_u nr = 0;
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
951 int c;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
952 int i;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
953
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
954 for (i = 0; i < 3 && nr < 040; ++i)
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
955 {
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
956 c = regparse[0];
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
957 if (c < '0' || c > '7')
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
958 break;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
959 nr <<= 3;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
960 nr |= hex2nr(c);
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
961 ++regparse;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
962 }
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
963
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
964 if (i == 0)
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
965 return -1;
12752
09c856605191 patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents: 12674
diff changeset
966 return (long)nr;
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
967 }
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
968
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
969 /*
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
970 * read_limits - Read two integers to be taken as a minimum and maximum.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
971 * If the first character is '-', then the range is reversed.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
972 * Should end with 'end'. If minval is missing, zero is default, if maxval is
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
973 * missing, a very big number is the default.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
974 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
975 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
976 read_limits(long *minval, long *maxval)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
977 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
978 int reverse = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
979 char_u *first_char;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
980 long tmp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
981
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
982 if (*regparse == '-')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
983 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
984 // Starts with '-', so reverse the range later
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
985 regparse++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
986 reverse = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
987 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
988 first_char = regparse;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
989 *minval = getdigits(&regparse);
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
990 if (*regparse == ',') // There is a comma
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
991 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
992 if (vim_isdigit(*++regparse))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
993 *maxval = getdigits(&regparse);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
994 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
995 *maxval = MAX_LIMIT;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
996 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
997 else if (VIM_ISDIGIT(*first_char))
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
998 *maxval = *minval; // It was \{n} or \{-n}
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
999 else
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1000 *maxval = MAX_LIMIT; // It was \{} or \{-}
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1001 if (*regparse == '\\')
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1002 regparse++; // Allow either \{...} or \{...\}
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
1003 if (*regparse != '}')
26917
d91aea2a612c patch 8.2.3987: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26913
diff changeset
1004 EMSG2_RET_FAIL(_(e_syntax_error_in_str_curlies),
15480
bd12ace1bab2 patch 8.1.0748: using sprintf() instead of semsg()
Bram Moolenaar <Bram@vim.org>
parents: 15470
diff changeset
1005 reg_magic == MAGIC_ALL);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1006
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1007 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1008 * Reverse the range if there was a '-', or make sure it is in the right
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1009 * order otherwise.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1010 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1011 if ((!reverse && *minval > *maxval) || (reverse && *minval < *maxval))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1012 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1013 tmp = *minval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1014 *minval = *maxval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1015 *maxval = tmp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1016 }
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1017 skipchr(); // let's be friends with the lexer again
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1018 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1019 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1020
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1021 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1022 * vim_regexec and friends
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1023 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1024
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1025 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1026 * Global work variables for vim_regexec().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1027 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1028
7805
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 7009
diff changeset
1029 static void cleanup_subexpr(void);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1030 #ifdef FEAT_SYN_HL
7805
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 7009
diff changeset
1031 static void cleanup_zsubexpr(void);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 7009
diff changeset
1032 #endif
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 7009
diff changeset
1033 static void reg_nextline(void);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 7009
diff changeset
1034 static int match_with_backref(linenr_T start_lnum, colnr_T start_col, linenr_T end_lnum, colnr_T end_col, int *bytelen);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1035
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1036 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1037 * Sometimes need to save a copy of a line. Since alloc()/free() is very
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1038 * slow, we keep one allocated piece of memory and only re-allocate it when
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
1039 * it's too small. It's freed in bt_regexec_both() when finished.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1040 */
1468
200b706675a5 updated for version 7.1-183
vimboss
parents: 1458
diff changeset
1041 static char_u *reg_tofree = NULL;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1042 static unsigned reg_tofreelen;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1043
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1044 /*
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1045 * Structure used to store the execution state of the regex engine.
1209
070f2ac50cf8 updated for version 7.1b
vimboss
parents: 1148
diff changeset
1046 * Which ones are set depends on whether a single-line or multi-line match is
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1047 * done:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1048 * single-line multi-line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1049 * reg_match &regmatch_T NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1050 * reg_mmatch NULL &regmmatch_T
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1051 * reg_startp reg_match->startp <invalid>
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1052 * reg_endp reg_match->endp <invalid>
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1053 * reg_startpos <invalid> reg_mmatch->startpos
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1054 * reg_endpos <invalid> reg_mmatch->endpos
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1055 * reg_win NULL window in which to search
4061
be4baed0c933 updated for version 7.3.785
Bram Moolenaar <bram@vim.org>
parents: 4043
diff changeset
1056 * reg_buf curbuf buffer in which to search
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1057 * reg_firstlnum <invalid> first line in which to search
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1058 * reg_maxline 0 last line nr
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1059 * reg_line_lbr FALSE or TRUE FALSE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1060 */
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1061 typedef struct {
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1062 regmatch_T *reg_match;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1063 regmmatch_T *reg_mmatch;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1064 char_u **reg_startp;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1065 char_u **reg_endp;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1066 lpos_T *reg_startpos;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1067 lpos_T *reg_endpos;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1068 win_T *reg_win;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1069 buf_T *reg_buf;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1070 linenr_T reg_firstlnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1071 linenr_T reg_maxline;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1072 int reg_line_lbr; // "\n" in string is line break
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1073
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1074 // The current match-position is stord in these variables:
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1075 linenr_T lnum; // line number, relative to first line
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1076 char_u *line; // start of current line
26161
9835f424bef5 patch 8.2.3612: using freed memory with regexp using a mark
Bram Moolenaar <Bram@vim.org>
parents: 25320
diff changeset
1077 char_u *input; // current input, points into "line"
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1078
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1079 int need_clear_subexpr; // subexpressions still need to be cleared
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1080 #ifdef FEAT_SYN_HL
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1081 int need_clear_zsubexpr; // extmatch subexpressions still need to be
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1082 // cleared
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1083 #endif
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1084
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1085 // Internal copy of 'ignorecase'. It is set at each call to vim_regexec().
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1086 // Normally it gets the value of "rm_ic" or "rmm_ic", but when the pattern
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1087 // contains '\c' or '\C' the value is overruled.
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1088 int reg_ic;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1089
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1090 // Similar to "reg_ic", but only for 'combining' characters. Set with \Z
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1091 // flag in the regexp. Defaults to false, always.
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1092 int reg_icombine;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1093
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1094 // Copy of "rmm_maxcol": maximum column to search for a match. Zero when
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1095 // there is no maximum.
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1096 colnr_T reg_maxcol;
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1097
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1098 // State for the NFA engine regexec.
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1099 int nfa_has_zend; // NFA regexp \ze operator encountered.
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1100 int nfa_has_backref; // NFA regexp \1 .. \9 encountered.
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1101 int nfa_nsubexpr; // Number of sub expressions actually being used
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1102 // during execution. 1 if only the whole match
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1103 // (subexpr 0) is used.
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1104 // listid is global, so that it increases on recursive calls to
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1105 // nfa_regmatch(), which means we don't have to clear the lastlist field of
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1106 // all the states.
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1107 int nfa_listid;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1108 int nfa_alt_listid;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1109
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1110 #ifdef FEAT_SYN_HL
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1111 int nfa_has_zsubexpr; // NFA regexp has \z( ), set zsubexpr.
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1112 #endif
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1113 } regexec_T;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1114
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1115 static regexec_T rex;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1116 static int rex_in_use = FALSE;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1117
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1118 /*
15709
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
1119 * Return TRUE if character 'c' is included in 'iskeyword' option for
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
1120 * "reg_buf" buffer.
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
1121 */
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
1122 static int
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
1123 reg_iswordc(int c)
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
1124 {
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
1125 return vim_iswordc_buf(c, rex.reg_buf);
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
1126 }
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
1127
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
1128 /*
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1129 * Get pointer to the line "lnum", which is relative to "reg_firstlnum".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1130 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1131 static char_u *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1132 reg_getline(linenr_T lnum)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1133 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1134 // when looking behind for a match/no-match lnum is negative. But we
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1135 // can't go before line 1
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1136 if (rex.reg_firstlnum + lnum < 1)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1137 return NULL;
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1138 if (lnum > rex.reg_maxline)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1139 // Must have matched the "\n" in the last line.
481
66080ac5dab7 updated for version 7.0130
vimboss
parents: 474
diff changeset
1140 return (char_u *)"";
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1141 return ml_get_buf(rex.reg_buf, rex.reg_firstlnum + lnum, FALSE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1142 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1143
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1144 #ifdef FEAT_SYN_HL
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1145 static char_u *reg_startzp[NSUBEXP]; // Workspace to mark beginning
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1146 static char_u *reg_endzp[NSUBEXP]; // and end of \z(...\) matches
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1147 static lpos_T reg_startzpos[NSUBEXP]; // idem, beginning pos
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1148 static lpos_T reg_endzpos[NSUBEXP]; // idem, end pos
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1149 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1150
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1151 // TRUE if using multi-line regexp.
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1152 #define REG_MULTI (rex.reg_match == NULL)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
1153
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1154 #ifdef FEAT_SYN_HL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1155 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1156 * Create a new extmatch and mark it as referenced once.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1157 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1158 static reg_extmatch_T *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1159 make_extmatch(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1160 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1161 reg_extmatch_T *em;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1162
16825
ce04ebdf26b8 patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
parents: 16768
diff changeset
1163 em = ALLOC_CLEAR_ONE(reg_extmatch_T);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1164 if (em != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1165 em->refcnt = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1166 return em;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1167 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1168
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1169 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1170 * Add a reference to an extmatch.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1171 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1172 reg_extmatch_T *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1173 ref_extmatch(reg_extmatch_T *em)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1174 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1175 if (em != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1176 em->refcnt++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1177 return em;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1178 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1179
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1180 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1181 * Remove a reference to an extmatch. If there are no references left, free
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1182 * the info.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1183 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1184 void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1185 unref_extmatch(reg_extmatch_T *em)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1186 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1187 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1188
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1189 if (em != NULL && --em->refcnt <= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1190 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1191 for (i = 0; i < NSUBEXP; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1192 vim_free(em->matches[i]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1193 vim_free(em);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1194 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1195 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1196 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1197
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1198 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1199 * Get class of previous character.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1200 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1201 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1202 reg_prev_class(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1203 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1204 if (rex.input > rex.line)
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1205 return mb_get_class_buf(rex.input - 1
15603
639b8318472c patch 8.1.0809: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents: 15555
diff changeset
1206 - (*mb_head_off)(rex.line, rex.input - 1), rex.reg_buf);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1207 return -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1208 }
5735
50dbef5e774a updated for version 7.4.212
Bram Moolenaar <bram@vim.org>
parents: 5504
diff changeset
1209
4730
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1210 /*
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1211 * Return TRUE if the current rex.input position matches the Visual area.
4730
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1212 */
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1213 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1214 reg_match_visual(void)
4730
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1215 {
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1216 pos_T top, bot;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1217 linenr_T lnum;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1218 colnr_T col;
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1219 win_T *wp = rex.reg_win == NULL ? curwin : rex.reg_win;
4730
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1220 int mode;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1221 colnr_T start, end;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1222 colnr_T start2, end2;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1223 colnr_T cols;
24745
b1fa3f005c93 patch 8.2.2911: pattern "%V" does not match all of block selection
Bram Moolenaar <Bram@vim.org>
parents: 24488
diff changeset
1224 colnr_T curswant;
4730
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1225
27466
8ed815f061af patch 8.2.4261: accessing invalid memory in a regular expression
Bram Moolenaar <Bram@vim.org>
parents: 26966
diff changeset
1226 // Check if the buffer is the current buffer and not using a string.
27468
678ea52c15a0 patch 8.2.4262: some search tests fail
Bram Moolenaar <Bram@vim.org>
parents: 27466
diff changeset
1227 if (rex.reg_buf != curbuf || VIsual.lnum == 0 || !REG_MULTI)
4730
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1228 return FALSE;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1229
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1230 if (VIsual_active)
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1231 {
11121
778c10516955 patch 8.0.0448: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 10359
diff changeset
1232 if (LT_POS(VIsual, wp->w_cursor))
4730
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1233 {
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1234 top = VIsual;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1235 bot = wp->w_cursor;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1236 }
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1237 else
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1238 {
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1239 top = wp->w_cursor;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1240 bot = VIsual;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1241 }
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1242 mode = VIsual_mode;
24745
b1fa3f005c93 patch 8.2.2911: pattern "%V" does not match all of block selection
Bram Moolenaar <Bram@vim.org>
parents: 24488
diff changeset
1243 curswant = wp->w_curswant;
4730
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1244 }
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1245 else
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1246 {
11121
778c10516955 patch 8.0.0448: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 10359
diff changeset
1247 if (LT_POS(curbuf->b_visual.vi_start, curbuf->b_visual.vi_end))
4730
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1248 {
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1249 top = curbuf->b_visual.vi_start;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1250 bot = curbuf->b_visual.vi_end;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1251 }
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1252 else
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1253 {
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1254 top = curbuf->b_visual.vi_end;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1255 bot = curbuf->b_visual.vi_start;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1256 }
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1257 mode = curbuf->b_visual.vi_mode;
24745
b1fa3f005c93 patch 8.2.2911: pattern "%V" does not match all of block selection
Bram Moolenaar <Bram@vim.org>
parents: 24488
diff changeset
1258 curswant = curbuf->b_visual.vi_curswant;
4730
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1259 }
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1260 lnum = rex.lnum + rex.reg_firstlnum;
4730
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1261 if (lnum < top.lnum || lnum > bot.lnum)
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1262 return FALSE;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1263
26841
48d6f187e9c0 patch 8.2.3949: using freed memory with /%V
Bram Moolenaar <Bram@vim.org>
parents: 26534
diff changeset
1264 col = (colnr_T)(rex.input - rex.line);
4730
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1265 if (mode == 'v')
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1266 {
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1267 if ((lnum == top.lnum && col < top.col)
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1268 || (lnum == bot.lnum && col >= bot.col + (*p_sel != 'e')))
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1269 return FALSE;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1270 }
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1271 else if (mode == Ctrl_V)
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1272 {
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1273 getvvcol(wp, &top, &start, NULL, &end);
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1274 getvvcol(wp, &bot, &start2, NULL, &end2);
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1275 if (start2 < start)
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1276 start = start2;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1277 if (end2 > end)
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1278 end = end2;
24745
b1fa3f005c93 patch 8.2.2911: pattern "%V" does not match all of block selection
Bram Moolenaar <Bram@vim.org>
parents: 24488
diff changeset
1279 if (top.col == MAXCOL || bot.col == MAXCOL || curswant == MAXCOL)
4730
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1280 end = MAXCOL;
26841
48d6f187e9c0 patch 8.2.3949: using freed memory with /%V
Bram Moolenaar <Bram@vim.org>
parents: 26534
diff changeset
1281
48d6f187e9c0 patch 8.2.3949: using freed memory with /%V
Bram Moolenaar <Bram@vim.org>
parents: 26534
diff changeset
1282 // getvvcol() flushes rex.line, need to get it again
48d6f187e9c0 patch 8.2.3949: using freed memory with /%V
Bram Moolenaar <Bram@vim.org>
parents: 26534
diff changeset
1283 rex.line = reg_getline(rex.lnum);
48d6f187e9c0 patch 8.2.3949: using freed memory with /%V
Bram Moolenaar <Bram@vim.org>
parents: 26534
diff changeset
1284 rex.input = rex.line + col;
48d6f187e9c0 patch 8.2.3949: using freed memory with /%V
Bram Moolenaar <Bram@vim.org>
parents: 26534
diff changeset
1285
48d6f187e9c0 patch 8.2.3949: using freed memory with /%V
Bram Moolenaar <Bram@vim.org>
parents: 26534
diff changeset
1286 cols = win_linetabsize(wp, rex.line, col);
4730
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1287 if (cols < start || cols > end - (*p_sel == 'e'))
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1288 return FALSE;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1289 }
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1290 return TRUE;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1291 }
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1292
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1293 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1294 * Check the regexp program for its magic number.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1295 * Return TRUE if it's wrong.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1296 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1297 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1298 prog_magic_wrong(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1299 {
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
1300 regprog_T *prog;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
1301
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1302 prog = REG_MULTI ? rex.reg_mmatch->regprog : rex.reg_match->regprog;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
1303 if (prog->engine == &nfa_regengine)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1304 // For NFA matcher we don't check the magic
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
1305 return FALSE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
1306
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
1307 if (UCHARAT(((bt_regprog_T *)prog)->program) != REGMAGIC)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1308 {
25306
078edc1821bf patch 8.2.3190: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 24768
diff changeset
1309 emsg(_(e_corrupted_regexp_program));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1310 return TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1311 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1312 return FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1313 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1314
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1315 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1316 * Cleanup the subexpressions, if this wasn't done yet.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1317 * This construction is used to clear the subexpressions only when they are
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1318 * used (to increase speed).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1319 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1320 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1321 cleanup_subexpr(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1322 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1323 if (rex.need_clear_subexpr)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1324 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1325 if (REG_MULTI)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1326 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1327 // Use 0xff to set lnum to -1
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1328 vim_memset(rex.reg_startpos, 0xff, sizeof(lpos_T) * NSUBEXP);
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1329 vim_memset(rex.reg_endpos, 0xff, sizeof(lpos_T) * NSUBEXP);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1330 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1331 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1332 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1333 vim_memset(rex.reg_startp, 0, sizeof(char_u *) * NSUBEXP);
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1334 vim_memset(rex.reg_endp, 0, sizeof(char_u *) * NSUBEXP);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1335 }
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1336 rex.need_clear_subexpr = FALSE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1337 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1338 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1339
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1340 #ifdef FEAT_SYN_HL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1341 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1342 cleanup_zsubexpr(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1343 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1344 if (rex.need_clear_zsubexpr)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1345 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1346 if (REG_MULTI)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1347 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1348 // Use 0xff to set lnum to -1
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1349 vim_memset(reg_startzpos, 0xff, sizeof(lpos_T) * NSUBEXP);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1350 vim_memset(reg_endzpos, 0xff, sizeof(lpos_T) * NSUBEXP);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1351 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1352 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1353 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1354 vim_memset(reg_startzp, 0, sizeof(char_u *) * NSUBEXP);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1355 vim_memset(reg_endzp, 0, sizeof(char_u *) * NSUBEXP);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1356 }
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1357 rex.need_clear_zsubexpr = FALSE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1358 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1359 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1360 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1361
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1362 /*
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1363 * Advance rex.lnum, rex.line and rex.input to the next line.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1364 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1365 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1366 reg_nextline(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1367 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1368 rex.line = reg_getline(++rex.lnum);
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1369 rex.input = rex.line;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1370 fast_breakcheck();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1371 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1372
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1373 /*
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1374 * Check whether a backreference matches.
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1375 * Returns RA_FAIL, RA_NOMATCH or RA_MATCH.
5504
ec5d11403c19 updated for version 7.4.101
Bram Moolenaar <bram@vim.org>
parents: 5353
diff changeset
1376 * If "bytelen" is not NULL, it is set to the byte length of the match in the
ec5d11403c19 updated for version 7.4.101
Bram Moolenaar <bram@vim.org>
parents: 5353
diff changeset
1377 * last line.
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1378 */
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1379 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1380 match_with_backref(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1381 linenr_T start_lnum,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1382 colnr_T start_col,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1383 linenr_T end_lnum,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1384 colnr_T end_col,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1385 int *bytelen)
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1386 {
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1387 linenr_T clnum = start_lnum;
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1388 colnr_T ccol = start_col;
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1389 int len;
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1390 char_u *p;
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1391
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1392 if (bytelen != NULL)
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1393 *bytelen = 0;
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1394 for (;;)
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1395 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1396 // Since getting one line may invalidate the other, need to make copy.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1397 // Slow!
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1398 if (rex.line != reg_tofree)
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1399 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1400 len = (int)STRLEN(rex.line);
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1401 if (reg_tofree == NULL || len >= (int)reg_tofreelen)
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1402 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1403 len += 50; // get some extra
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1404 vim_free(reg_tofree);
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1405 reg_tofree = alloc(len);
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1406 if (reg_tofree == NULL)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1407 return RA_FAIL; // out of memory!
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1408 reg_tofreelen = len;
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1409 }
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1410 STRCPY(reg_tofree, rex.line);
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1411 rex.input = reg_tofree + (rex.input - rex.line);
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1412 rex.line = reg_tofree;
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1413 }
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1414
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1415 // Get the line to compare with.
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1416 p = reg_getline(clnum);
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1417 if (clnum == end_lnum)
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1418 len = end_col - ccol;
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1419 else
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1420 len = (int)STRLEN(p + ccol);
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1421
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1422 if (cstrncmp(p + ccol, rex.input, &len) != 0)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1423 return RA_NOMATCH; // doesn't match
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1424 if (bytelen != NULL)
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1425 *bytelen += len;
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1426 if (clnum == end_lnum)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1427 break; // match and at end!
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1428 if (rex.lnum >= rex.reg_maxline)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1429 return RA_NOMATCH; // text too short
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1430
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1431 // Advance to next line.
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1432 reg_nextline();
5504
ec5d11403c19 updated for version 7.4.101
Bram Moolenaar <bram@vim.org>
parents: 5353
diff changeset
1433 if (bytelen != NULL)
ec5d11403c19 updated for version 7.4.101
Bram Moolenaar <bram@vim.org>
parents: 5353
diff changeset
1434 *bytelen = 0;
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1435 ++clnum;
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1436 ccol = 0;
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1437 if (got_int)
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1438 return RA_FAIL;
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1439 }
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1440
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1441 // found a match! Note that rex.line may now point to a copy of the line,
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1442 // that should not matter.
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1443 return RA_MATCH;
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1444 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1445
6203
8515b42f939c updated for version 7.4.437
Bram Moolenaar <bram@vim.org>
parents: 6041
diff changeset
1446 /*
8515b42f939c updated for version 7.4.437
Bram Moolenaar <bram@vim.org>
parents: 6041
diff changeset
1447 * Used in a place where no * or \+ can follow.
8515b42f939c updated for version 7.4.437
Bram Moolenaar <bram@vim.org>
parents: 6041
diff changeset
1448 */
8515b42f939c updated for version 7.4.437
Bram Moolenaar <bram@vim.org>
parents: 6041
diff changeset
1449 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1450 re_mult_next(char *what)
6203
8515b42f939c updated for version 7.4.437
Bram Moolenaar <bram@vim.org>
parents: 6041
diff changeset
1451 {
8515b42f939c updated for version 7.4.437
Bram Moolenaar <bram@vim.org>
parents: 6041
diff changeset
1452 if (re_multi_type(peekchr()) == MULTI_MULT)
15480
bd12ace1bab2 patch 8.1.0748: using sprintf() instead of semsg()
Bram Moolenaar <Bram@vim.org>
parents: 15470
diff changeset
1453 {
26966
ac75c145f0a9 patch 8.2.4012: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26962
diff changeset
1454 semsg(_(e_nfa_regexp_cannot_repeat_str), what);
15480
bd12ace1bab2 patch 8.1.0748: using sprintf() instead of semsg()
Bram Moolenaar <Bram@vim.org>
parents: 15470
diff changeset
1455 rc_did_emsg = TRUE;
bd12ace1bab2 patch 8.1.0748: using sprintf() instead of semsg()
Bram Moolenaar <Bram@vim.org>
parents: 15470
diff changeset
1456 return FAIL;
bd12ace1bab2 patch 8.1.0748: using sprintf() instead of semsg()
Bram Moolenaar <Bram@vim.org>
parents: 15470
diff changeset
1457 }
6203
8515b42f939c updated for version 7.4.437
Bram Moolenaar <bram@vim.org>
parents: 6041
diff changeset
1458 return OK;
8515b42f939c updated for version 7.4.437
Bram Moolenaar <bram@vim.org>
parents: 6041
diff changeset
1459 }
8515b42f939c updated for version 7.4.437
Bram Moolenaar <bram@vim.org>
parents: 6041
diff changeset
1460
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1461 typedef struct
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1462 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1463 int a, b, c;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1464 } decomp_T;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1465
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1466
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1467 // 0xfb20 - 0xfb4f
297
9a1c2a8186b7 updated for version 7.0078
vimboss
parents: 270
diff changeset
1468 static decomp_T decomp_table[0xfb4f-0xfb20+1] =
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1469 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1470 {0x5e2,0,0}, // 0xfb20 alt ayin
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1471 {0x5d0,0,0}, // 0xfb21 alt alef
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1472 {0x5d3,0,0}, // 0xfb22 alt dalet
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1473 {0x5d4,0,0}, // 0xfb23 alt he
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1474 {0x5db,0,0}, // 0xfb24 alt kaf
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1475 {0x5dc,0,0}, // 0xfb25 alt lamed
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1476 {0x5dd,0,0}, // 0xfb26 alt mem-sofit
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1477 {0x5e8,0,0}, // 0xfb27 alt resh
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1478 {0x5ea,0,0}, // 0xfb28 alt tav
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1479 {'+', 0, 0}, // 0xfb29 alt plus
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1480 {0x5e9, 0x5c1, 0}, // 0xfb2a shin+shin-dot
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1481 {0x5e9, 0x5c2, 0}, // 0xfb2b shin+sin-dot
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1482 {0x5e9, 0x5c1, 0x5bc}, // 0xfb2c shin+shin-dot+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1483 {0x5e9, 0x5c2, 0x5bc}, // 0xfb2d shin+sin-dot+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1484 {0x5d0, 0x5b7, 0}, // 0xfb2e alef+patah
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1485 {0x5d0, 0x5b8, 0}, // 0xfb2f alef+qamats
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1486 {0x5d0, 0x5b4, 0}, // 0xfb30 alef+hiriq
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1487 {0x5d1, 0x5bc, 0}, // 0xfb31 bet+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1488 {0x5d2, 0x5bc, 0}, // 0xfb32 gimel+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1489 {0x5d3, 0x5bc, 0}, // 0xfb33 dalet+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1490 {0x5d4, 0x5bc, 0}, // 0xfb34 he+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1491 {0x5d5, 0x5bc, 0}, // 0xfb35 vav+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1492 {0x5d6, 0x5bc, 0}, // 0xfb36 zayin+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1493 {0xfb37, 0, 0}, // 0xfb37 -- UNUSED
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1494 {0x5d8, 0x5bc, 0}, // 0xfb38 tet+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1495 {0x5d9, 0x5bc, 0}, // 0xfb39 yud+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1496 {0x5da, 0x5bc, 0}, // 0xfb3a kaf sofit+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1497 {0x5db, 0x5bc, 0}, // 0xfb3b kaf+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1498 {0x5dc, 0x5bc, 0}, // 0xfb3c lamed+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1499 {0xfb3d, 0, 0}, // 0xfb3d -- UNUSED
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1500 {0x5de, 0x5bc, 0}, // 0xfb3e mem+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1501 {0xfb3f, 0, 0}, // 0xfb3f -- UNUSED
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1502 {0x5e0, 0x5bc, 0}, // 0xfb40 nun+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1503 {0x5e1, 0x5bc, 0}, // 0xfb41 samech+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1504 {0xfb42, 0, 0}, // 0xfb42 -- UNUSED
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1505 {0x5e3, 0x5bc, 0}, // 0xfb43 pe sofit+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1506 {0x5e4, 0x5bc,0}, // 0xfb44 pe+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1507 {0xfb45, 0, 0}, // 0xfb45 -- UNUSED
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1508 {0x5e6, 0x5bc, 0}, // 0xfb46 tsadi+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1509 {0x5e7, 0x5bc, 0}, // 0xfb47 qof+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1510 {0x5e8, 0x5bc, 0}, // 0xfb48 resh+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1511 {0x5e9, 0x5bc, 0}, // 0xfb49 shin+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1512 {0x5ea, 0x5bc, 0}, // 0xfb4a tav+dagesh
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1513 {0x5d5, 0x5b9, 0}, // 0xfb4b vav+holam
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1514 {0x5d1, 0x5bf, 0}, // 0xfb4c bet+rafe
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1515 {0x5db, 0x5bf, 0}, // 0xfb4d kaf+rafe
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1516 {0x5e4, 0x5bf, 0}, // 0xfb4e pe+rafe
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1517 {0x5d0, 0x5dc, 0} // 0xfb4f alef-lamed
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1518 };
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1519
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1520 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1521 mb_decompose(int c, int *c1, int *c2, int *c3)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1522 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1523 decomp_T d;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1524
4505
d037b9cbdaaa updated for version 7.3.1000
Bram Moolenaar <bram@vim.org>
parents: 4466
diff changeset
1525 if (c >= 0xfb20 && c <= 0xfb4f)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1526 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1527 d = decomp_table[c - 0xfb20];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1528 *c1 = d.a;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1529 *c2 = d.b;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1530 *c3 = d.c;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1531 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1532 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1533 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1534 *c1 = c;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1535 *c2 = *c3 = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1536 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1537 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1538
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1539 /*
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1540 * Compare two strings, ignore case if rex.reg_ic set.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1541 * Return 0 if strings match, non-zero otherwise.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1542 * Correct the length "*n" when composing characters are ignored.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1543 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1544 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1545 cstrncmp(char_u *s1, char_u *s2, int *n)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1546 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1547 int result;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1548
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1549 if (!rex.reg_ic)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1550 result = STRNCMP(s1, s2, *n);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1551 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1552 result = MB_STRNICMP(s1, s2, *n);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1553
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1554 // if it failed and it's utf8 and we want to combineignore:
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1555 if (result != 0 && enc_utf8 && rex.reg_icombine)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1556 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1557 char_u *str1, *str2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1558 int c1, c2, c11, c12;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1559 int junk;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1560
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1561 // we have to handle the strcmp ourselves, since it is necessary to
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1562 // deal with the composing characters by ignoring them:
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1563 str1 = s1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1564 str2 = s2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1565 c1 = c2 = 0;
507
a1059cda45f2 updated for version 7.0142
vimboss
parents: 492
diff changeset
1566 while ((int)(str1 - s1) < *n)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1567 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1568 c1 = mb_ptr2char_adv(&str1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1569 c2 = mb_ptr2char_adv(&str2);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1570
18019
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
1571 // Decompose the character if necessary, into 'base' characters.
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
1572 // Currently hard-coded for Hebrew, Arabic to be done...
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1573 if (c1 != c2 && (!rex.reg_ic || utf_fold(c1) != utf_fold(c2)))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1574 {
18019
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
1575 // decomposition necessary?
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1576 mb_decompose(c1, &c11, &junk, &junk);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1577 mb_decompose(c2, &c12, &junk, &junk);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1578 c1 = c11;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1579 c2 = c12;
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1580 if (c11 != c12
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1581 && (!rex.reg_ic || utf_fold(c11) != utf_fold(c12)))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1582 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1583 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1584 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1585 result = c2 - c1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1586 if (result == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1587 *n = (int)(str2 - s2);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1588 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1589
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1590 return result;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1591 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1592
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1593 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1594 * cstrchr: This function is used a lot for simple searches, keep it fast!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1595 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1596 static char_u *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1597 cstrchr(char_u *s, int c)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1598 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1599 char_u *p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1600 int cc;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1601
15603
639b8318472c patch 8.1.0809: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents: 15555
diff changeset
1602 if (!rex.reg_ic || (!enc_utf8 && mb_char2len(c) > 1))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1603 return vim_strchr(s, c);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1604
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1605 // tolower() and toupper() can be slow, comparing twice should be a lot
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1606 // faster (esp. when using MS Visual C++!).
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1607 // For UTF-8 need to use folded case.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1608 if (enc_utf8 && c > 0x80)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1609 cc = utf_fold(c);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1610 else
1347
302a6aa7aca2 updated for version 7.1-061
vimboss
parents: 1341
diff changeset
1611 if (MB_ISUPPER(c))
302a6aa7aca2 updated for version 7.1-061
vimboss
parents: 1341
diff changeset
1612 cc = MB_TOLOWER(c);
302a6aa7aca2 updated for version 7.1-061
vimboss
parents: 1341
diff changeset
1613 else if (MB_ISLOWER(c))
302a6aa7aca2 updated for version 7.1-061
vimboss
parents: 1341
diff changeset
1614 cc = MB_TOUPPER(c);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1615 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1616 return vim_strchr(s, c);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1617
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1618 if (has_mbyte)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1619 {
474
a5fcf36ef512 updated for version 7.0127
vimboss
parents: 418
diff changeset
1620 for (p = s; *p != NUL; p += (*mb_ptr2len)(p))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1621 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1622 if (enc_utf8 && c > 0x80)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1623 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1624 if (utf_fold(utf_ptr2char(p)) == cc)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1625 return p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1626 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1627 else if (*p == c || *p == cc)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1628 return p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1629 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1630 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1631 else
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1632 // Faster version for when there are no multi-byte characters.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1633 for (p = s; *p != NUL; ++p)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1634 if (*p == c || *p == cc)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1635 return p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1636
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1637 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1638 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1639
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1640 ////////////////////////////////////////////////////////////////
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1641 // regsub stuff //
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1642 ////////////////////////////////////////////////////////////////
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1643
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1644 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1645 * We should define ftpr as a pointer to a function returning a pointer to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1646 * a function returning a pointer to a function ...
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1647 * This is impossible, so we declare a pointer to a function returning a
22151
01cab6232a9a patch 8.2.1625: compiler warning for use of fptr_T
Bram Moolenaar <Bram@vim.org>
parents: 22143
diff changeset
1648 * void pointer. This should work for all compilers.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1649 */
22151
01cab6232a9a patch 8.2.1625: compiler warning for use of fptr_T
Bram Moolenaar <Bram@vim.org>
parents: 22143
diff changeset
1650 typedef void (*(*fptr_T)(int *, int));
7805
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 7009
diff changeset
1651
9589
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
1652 static int vim_regsub_both(char_u *source, typval_T *expr, char_u *dest, int copy, int magic, int backslash);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1653
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1654 static fptr_T
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1655 do_upper(int *d, int c)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1656 {
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1657 *d = MB_TOUPPER(c);
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1658
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1659 return (fptr_T)NULL;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1660 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1661
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1662 static fptr_T
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1663 do_Upper(int *d, int c)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1664 {
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1665 *d = MB_TOUPPER(c);
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1666
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1667 return (fptr_T)do_Upper;
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1668 }
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1669
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1670 static fptr_T
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1671 do_lower(int *d, int c)
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1672 {
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1673 *d = MB_TOLOWER(c);
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1674
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1675 return (fptr_T)NULL;
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1676 }
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1677
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1678 static fptr_T
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1679 do_Lower(int *d, int c)
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1680 {
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1681 *d = MB_TOLOWER(c);
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1682
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1683 return (fptr_T)do_Lower;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1684 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1685
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1686 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1687 * regtilde(): Replace tildes in the pattern by the old pattern.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1688 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1689 * Short explanation of the tilde: It stands for the previous replacement
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1690 * pattern. If that previous pattern also contains a ~ we should go back a
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1691 * step further... But we insert the previous pattern into the current one
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1692 * and remember that.
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1693 * This still does not handle the case where "magic" changes. So require the
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1694 * user to keep his hands off of "magic".
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1695 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1696 * The tildes are parsed once before the first call to vim_regsub().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1697 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1698 char_u *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1699 regtilde(char_u *source, int magic)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1700 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1701 char_u *newsub = source;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1702 char_u *tmpsub;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1703 char_u *p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1704 int len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1705 int prevlen;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1706
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1707 for (p = newsub; *p; ++p)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1708 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1709 if ((*p == '~' && magic) || (*p == '\\' && *(p + 1) == '~' && !magic))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1710 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1711 if (reg_prev_sub != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1712 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1713 // length = len(newsub) - 1 + len(prev_sub) + 1
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1714 prevlen = (int)STRLEN(reg_prev_sub);
16764
ef00b6bc186b patch 8.1.1384: using "int" for alloc() often results in compiler warnings
Bram Moolenaar <Bram@vim.org>
parents: 16634
diff changeset
1715 tmpsub = alloc(STRLEN(newsub) + prevlen);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1716 if (tmpsub != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1717 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1718 // copy prefix
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1719 len = (int)(p - newsub); // not including ~
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1720 mch_memmove(tmpsub, newsub, (size_t)len);
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1721 // interpret tilde
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1722 mch_memmove(tmpsub + len, reg_prev_sub, (size_t)prevlen);
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1723 // copy postfix
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1724 if (!magic)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1725 ++p; // back off backslash
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1726 STRCPY(tmpsub + len + prevlen, p + 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1727
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1728 if (newsub != source) // already allocated newsub
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1729 vim_free(newsub);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1730 newsub = tmpsub;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1731 p = newsub + len + prevlen;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1732 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1733 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1734 else if (magic)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1735 STRMOVE(p, p + 1); // remove '~'
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1736 else
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1737 STRMOVE(p, p + 2); // remove '\~'
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1738 --p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1739 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1740 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1741 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1742 if (*p == '\\' && p[1]) // skip escaped characters
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1743 ++p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1744 if (has_mbyte)
474
a5fcf36ef512 updated for version 7.0127
vimboss
parents: 418
diff changeset
1745 p += (*mb_ptr2len)(p) - 1;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1746 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1747 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1748
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1749 vim_free(reg_prev_sub);
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1750 if (newsub != source) // newsub was allocated, just keep it
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1751 reg_prev_sub = newsub;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1752 else // no ~ found, need to save newsub
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1753 reg_prev_sub = vim_strsave(newsub);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1754 return newsub;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1755 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1756
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1757 #ifdef FEAT_EVAL
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1758 static int can_f_submatch = FALSE; // TRUE when submatch() can be used
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1759
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1760 // These pointers are used for reg_submatch(). Needed for when the
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1761 // substitution string is an expression that contains a call to substitute()
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1762 // and submatch().
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1763 typedef struct {
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1764 regmatch_T *sm_match;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1765 regmmatch_T *sm_mmatch;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1766 linenr_T sm_firstlnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1767 linenr_T sm_maxline;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1768 int sm_line_lbr;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1769 } regsubmatch_T;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1770
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1771 static regsubmatch_T rsm; // can only be used when can_f_submatch is TRUE
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1772 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1773
17966
46f95606b9ec patch 8.1.1979: code for handling file names is spread out
Bram Moolenaar <Bram@vim.org>
parents: 17789
diff changeset
1774 #ifdef FEAT_EVAL
9626
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1775
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1776 /*
18572
23fef64352a1 patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents: 18019
diff changeset
1777 * Put the submatches in "argv[argskip]" which is a list passed into
23fef64352a1 patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents: 18019
diff changeset
1778 * call_func() by vim_regsub_both().
9626
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1779 */
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1780 static int
18572
23fef64352a1 patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents: 18019
diff changeset
1781 fill_submatch_list(int argc UNUSED, typval_T *argv, int argskip, int argcount)
9626
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1782 {
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1783 listitem_T *li;
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1784 int i;
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1785 char_u *s;
18572
23fef64352a1 patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents: 18019
diff changeset
1786 typval_T *listarg = argv + argskip;
9626
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1787
18572
23fef64352a1 patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents: 18019
diff changeset
1788 if (argcount == argskip)
23fef64352a1 patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents: 18019
diff changeset
1789 // called function doesn't take a submatches argument
23fef64352a1 patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents: 18019
diff changeset
1790 return argskip;
9626
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1791
18572
23fef64352a1 patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents: 18019
diff changeset
1792 // Relies on sl_list to be the first item in staticList10_T.
23fef64352a1 patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents: 18019
diff changeset
1793 init_static_list((staticList10_T *)(listarg->vval.v_list));
9626
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1794
18572
23fef64352a1 patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents: 18019
diff changeset
1795 // There are always 10 list items in staticList10_T.
23fef64352a1 patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents: 18019
diff changeset
1796 li = listarg->vval.v_list->lv_first;
9626
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1797 for (i = 0; i < 10; ++i)
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1798 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1799 s = rsm.sm_match->startp[i];
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1800 if (s == NULL || rsm.sm_match->endp[i] == NULL)
9626
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1801 s = NULL;
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1802 else
20830
9064044fd4f6 patch 8.2.0967: unnecessary type casts for vim_strnsave()
Bram Moolenaar <Bram@vim.org>
parents: 20113
diff changeset
1803 s = vim_strnsave(s, rsm.sm_match->endp[i] - s);
9626
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1804 li->li_tv.v_type = VAR_STRING;
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1805 li->li_tv.vval.v_string = s;
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1806 li = li->li_next;
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1807 }
18572
23fef64352a1 patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents: 18019
diff changeset
1808 return argskip + 1;
9626
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1809 }
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1810
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1811 static void
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1812 clear_submatch_list(staticList10_T *sl)
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1813 {
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1814 int i;
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1815
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1816 for (i = 0; i < 10; ++i)
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1817 vim_free(sl->sl_items[i].li_tv.vval.v_string);
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1818 }
17966
46f95606b9ec patch 8.1.1979: code for handling file names is spread out
Bram Moolenaar <Bram@vim.org>
parents: 17789
diff changeset
1819 #endif
9626
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1820
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1821 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1822 * vim_regsub() - perform substitutions after a vim_regexec() or
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1823 * vim_regexec_multi() match.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1824 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1825 * If "copy" is TRUE really copy into "dest".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1826 * If "copy" is FALSE nothing is copied, this is just to find out the length
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1827 * of the result.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1828 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1829 * If "backslash" is TRUE, a backslash will be removed later, need to double
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1830 * them to keep them, and insert a backslash before a CR to avoid it being
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1831 * replaced with a line break later.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1832 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1833 * Note: The matched text must not change between the call of
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1834 * vim_regexec()/vim_regexec_multi() and vim_regsub()! It would make the back
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1835 * references invalid!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1836 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1837 * Returns the size of the replacement, including terminating NUL.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1838 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1839 int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1840 vim_regsub(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1841 regmatch_T *rmp,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1842 char_u *source,
9589
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
1843 typval_T *expr,
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1844 char_u *dest,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1845 int copy,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1846 int magic,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1847 int backslash)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1848 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1849 int result;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1850 regexec_T rex_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1851 int rex_in_use_save = rex_in_use;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1852
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1853 if (rex_in_use)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1854 // Being called recursively, save the state.
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1855 rex_save = rex;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1856 rex_in_use = TRUE;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1857
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1858 rex.reg_match = rmp;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1859 rex.reg_mmatch = NULL;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1860 rex.reg_maxline = 0;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1861 rex.reg_buf = curbuf;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1862 rex.reg_line_lbr = TRUE;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1863 result = vim_regsub_both(source, expr, dest, copy, magic, backslash);
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1864
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1865 rex_in_use = rex_in_use_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1866 if (rex_in_use)
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1867 rex = rex_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1868
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1869 return result;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1870 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1871
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1872 int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1873 vim_regsub_multi(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1874 regmmatch_T *rmp,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1875 linenr_T lnum,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1876 char_u *source,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1877 char_u *dest,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1878 int copy,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1879 int magic,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1880 int backslash)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1881 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1882 int result;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1883 regexec_T rex_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1884 int rex_in_use_save = rex_in_use;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1885
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1886 if (rex_in_use)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1887 // Being called recursively, save the state.
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1888 rex_save = rex;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1889 rex_in_use = TRUE;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1890
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1891 rex.reg_match = NULL;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1892 rex.reg_mmatch = rmp;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1893 rex.reg_buf = curbuf; // always works on the current buffer!
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1894 rex.reg_firstlnum = lnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1895 rex.reg_maxline = curbuf->b_ml.ml_line_count - lnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1896 rex.reg_line_lbr = FALSE;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1897 result = vim_regsub_both(source, NULL, dest, copy, magic, backslash);
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1898
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1899 rex_in_use = rex_in_use_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1900 if (rex_in_use)
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1901 rex = rex_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1902
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1903 return result;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1904 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1905
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1906 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1907 vim_regsub_both(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1908 char_u *source,
9589
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
1909 typval_T *expr,
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1910 char_u *dest,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1911 int copy,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1912 int magic,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1913 int backslash)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1914 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1915 char_u *src;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1916 char_u *dst;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1917 char_u *s;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1918 int c;
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1919 int cc;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1920 int no = -1;
4244
7faeece39228 updated for version 7.3.873
Bram Moolenaar <bram@vim.org>
parents: 4176
diff changeset
1921 fptr_T func_all = (fptr_T)NULL;
7faeece39228 updated for version 7.3.873
Bram Moolenaar <bram@vim.org>
parents: 4176
diff changeset
1922 fptr_T func_one = (fptr_T)NULL;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1923 linenr_T clnum = 0; // init for GCC
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1924 int len = 0; // init for GCC
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1925 #ifdef FEAT_EVAL
9589
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
1926 static char_u *eval_result = NULL;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1927 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1928
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1929 // Be paranoid...
9589
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
1930 if ((source == NULL && expr == NULL) || dest == NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1931 {
25306
078edc1821bf patch 8.2.3190: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 24768
diff changeset
1932 emsg(_(e_null_argument));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1933 return 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1934 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1935 if (prog_magic_wrong())
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1936 return 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1937 src = source;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1938 dst = dest;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1939
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1940 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1941 * When the substitute part starts with "\=" evaluate it as an expression.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1942 */
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1943 if (expr != NULL || (source[0] == '\\' && source[1] == '='))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1944 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1945 #ifdef FEAT_EVAL
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1946 // To make sure that the length doesn't change between checking the
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1947 // length and copying the string, and to speed up things, the
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1948 // resulting string is saved from the call with "copy" == FALSE to the
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1949 // call with "copy" == TRUE.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1950 if (copy)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1951 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1952 if (eval_result != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1953 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1954 STRCPY(dest, eval_result);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1955 dst += STRLEN(eval_result);
13244
ac42c4b11dbc patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents: 12752
diff changeset
1956 VIM_CLEAR(eval_result);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1957 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1958 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1959 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1960 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1961 int prev_can_f_submatch = can_f_submatch;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1962 regsubmatch_T rsm_save;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1963
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1964 vim_free(eval_result);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1965
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1966 // The expression may contain substitute(), which calls us
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1967 // recursively. Make sure submatch() gets the text from the first
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1968 // level.
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1969 if (can_f_submatch)
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1970 rsm_save = rsm;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1971 can_f_submatch = TRUE;
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1972 rsm.sm_match = rex.reg_match;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1973 rsm.sm_mmatch = rex.reg_mmatch;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1974 rsm.sm_firstlnum = rex.reg_firstlnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1975 rsm.sm_maxline = rex.reg_maxline;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1976 rsm.sm_line_lbr = rex.reg_line_lbr;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1977
9589
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
1978 if (expr != NULL)
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
1979 {
9626
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1980 typval_T argv[2];
9589
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
1981 char_u buf[NUMBUFLEN];
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
1982 typval_T rettv;
9626
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1983 staticList10_T matchList;
17606
ff097edaae89 patch 8.1.1800: function call functions have too many arguments
Bram Moolenaar <Bram@vim.org>
parents: 17444
diff changeset
1984 funcexe_T funcexe;
9589
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
1985
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
1986 rettv.v_type = VAR_STRING;
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
1987 rettv.vval.v_string = NULL;
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1988 argv[0].v_type = VAR_LIST;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1989 argv[0].vval.v_list = &matchList.sl_list;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1990 matchList.sl_list.lv_len = 0;
20007
aadd1cae2ff5 patch 8.2.0559: clearing a struct is verbose
Bram Moolenaar <Bram@vim.org>
parents: 19892
diff changeset
1991 CLEAR_FIELD(funcexe);
26534
28745eec1dda patch 8.2.3796: the funcexe_T struct members are not named consistently
Bram Moolenaar <Bram@vim.org>
parents: 26436
diff changeset
1992 funcexe.fe_argv_func = fill_submatch_list;
28745eec1dda patch 8.2.3796: the funcexe_T struct members are not named consistently
Bram Moolenaar <Bram@vim.org>
parents: 26436
diff changeset
1993 funcexe.fe_evaluate = TRUE;
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1994 if (expr->v_type == VAR_FUNC)
9589
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
1995 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1996 s = expr->vval.v_string;
17606
ff097edaae89 patch 8.1.1800: function call functions have too many arguments
Bram Moolenaar <Bram@vim.org>
parents: 17444
diff changeset
1997 call_func(s, -1, &rettv, 1, argv, &funcexe);
9589
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
1998 }
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1999 else if (expr->v_type == VAR_PARTIAL)
9589
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
2000 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2001 partial_T *partial = expr->vval.v_partial;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2002
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2003 s = partial_name(partial);
26534
28745eec1dda patch 8.2.3796: the funcexe_T struct members are not named consistently
Bram Moolenaar <Bram@vim.org>
parents: 26436
diff changeset
2004 funcexe.fe_partial = partial;
17606
ff097edaae89 patch 8.1.1800: function call functions have too many arguments
Bram Moolenaar <Bram@vim.org>
parents: 17444
diff changeset
2005 call_func(s, -1, &rettv, 1, argv, &funcexe);
9589
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
2006 }
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2007 if (matchList.sl_list.lv_len > 0)
18576
e9675870c480 patch 8.1.2282: crash when passing many arguments through a partial
Bram Moolenaar <Bram@vim.org>
parents: 18572
diff changeset
2008 // fill_submatch_list() was called
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2009 clear_submatch_list(&matchList);
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2010
18576
e9675870c480 patch 8.1.2282: crash when passing many arguments through a partial
Bram Moolenaar <Bram@vim.org>
parents: 18572
diff changeset
2011 if (rettv.v_type == VAR_UNKNOWN)
e9675870c480 patch 8.1.2282: crash when passing many arguments through a partial
Bram Moolenaar <Bram@vim.org>
parents: 18572
diff changeset
2012 // something failed, no need to report another error
e9675870c480 patch 8.1.2282: crash when passing many arguments through a partial
Bram Moolenaar <Bram@vim.org>
parents: 18572
diff changeset
2013 eval_result = NULL;
e9675870c480 patch 8.1.2282: crash when passing many arguments through a partial
Bram Moolenaar <Bram@vim.org>
parents: 18572
diff changeset
2014 else
e9675870c480 patch 8.1.2282: crash when passing many arguments through a partial
Bram Moolenaar <Bram@vim.org>
parents: 18572
diff changeset
2015 {
e9675870c480 patch 8.1.2282: crash when passing many arguments through a partial
Bram Moolenaar <Bram@vim.org>
parents: 18572
diff changeset
2016 eval_result = tv_get_string_buf_chk(&rettv, buf);
e9675870c480 patch 8.1.2282: crash when passing many arguments through a partial
Bram Moolenaar <Bram@vim.org>
parents: 18572
diff changeset
2017 if (eval_result != NULL)
e9675870c480 patch 8.1.2282: crash when passing many arguments through a partial
Bram Moolenaar <Bram@vim.org>
parents: 18572
diff changeset
2018 eval_result = vim_strsave(eval_result);
e9675870c480 patch 8.1.2282: crash when passing many arguments through a partial
Bram Moolenaar <Bram@vim.org>
parents: 18572
diff changeset
2019 }
9626
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
2020 clear_tv(&rettv);
9589
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
2021 }
24488
f293bb501b30 patch 8.2.2784: Vim9: cannot use =expr in :substitute
Bram Moolenaar <Bram@vim.org>
parents: 23505
diff changeset
2022 else if (substitute_instr != NULL)
f293bb501b30 patch 8.2.2784: Vim9: cannot use =expr in :substitute
Bram Moolenaar <Bram@vim.org>
parents: 23505
diff changeset
2023 // Execute instructions from ISN_SUBSTITUTE.
f293bb501b30 patch 8.2.2784: Vim9: cannot use =expr in :substitute
Bram Moolenaar <Bram@vim.org>
parents: 23505
diff changeset
2024 eval_result = exe_substitute_instr();
9589
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
2025 else
20996
3af71cbcfdbe patch 8.2.1049: Vim9: leaking memory when using continuation line
Bram Moolenaar <Bram@vim.org>
parents: 20830
diff changeset
2026 eval_result = eval_to_string(source + 2, TRUE);
9589
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
2027
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2028 if (eval_result != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2029 {
2125
b8744d1982d1 updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents: 2012
diff changeset
2030 int had_backslash = FALSE;
b8744d1982d1 updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents: 2012
diff changeset
2031
11127
506f5d8b7d8b patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 11121
diff changeset
2032 for (s = eval_result; *s != NUL; MB_PTR_ADV(s))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2033 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2034 // Change NL to CR, so that it becomes a line break,
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2035 // unless called from vim_regexec_nl().
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2036 // Skip over a backslashed character.
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2037 if (*s == NL && !rsm.sm_line_lbr)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2038 *s = CAR;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2039 else if (*s == '\\' && s[1] != NUL)
2125
b8744d1982d1 updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents: 2012
diff changeset
2040 {
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2041 ++s;
2173
ecb9c2b70b0f updated for version 7.2.437
Bram Moolenaar <bram@vim.org>
parents: 2125
diff changeset
2042 /* Change NL to CR here too, so that this works:
ecb9c2b70b0f updated for version 7.2.437
Bram Moolenaar <bram@vim.org>
parents: 2125
diff changeset
2043 * :s/abc\\\ndef/\="aaa\\\nbbb"/ on text:
ecb9c2b70b0f updated for version 7.2.437
Bram Moolenaar <bram@vim.org>
parents: 2125
diff changeset
2044 * abc\
ecb9c2b70b0f updated for version 7.2.437
Bram Moolenaar <bram@vim.org>
parents: 2125
diff changeset
2045 * def
2904
c249d9aa60f7 updated for version 7.3.225
Bram Moolenaar <bram@vim.org>
parents: 2578
diff changeset
2046 * Not when called from vim_regexec_nl().
2173
ecb9c2b70b0f updated for version 7.2.437
Bram Moolenaar <bram@vim.org>
parents: 2125
diff changeset
2047 */
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2048 if (*s == NL && !rsm.sm_line_lbr)
2173
ecb9c2b70b0f updated for version 7.2.437
Bram Moolenaar <bram@vim.org>
parents: 2125
diff changeset
2049 *s = CAR;
2125
b8744d1982d1 updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents: 2012
diff changeset
2050 had_backslash = TRUE;
b8744d1982d1 updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents: 2012
diff changeset
2051 }
b8744d1982d1 updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents: 2012
diff changeset
2052 }
b8744d1982d1 updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents: 2012
diff changeset
2053 if (had_backslash && backslash)
b8744d1982d1 updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents: 2012
diff changeset
2054 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2055 // Backslashes will be consumed, need to double them.
2125
b8744d1982d1 updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents: 2012
diff changeset
2056 s = vim_strsave_escaped(eval_result, (char_u *)"\\");
b8744d1982d1 updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents: 2012
diff changeset
2057 if (s != NULL)
b8744d1982d1 updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents: 2012
diff changeset
2058 {
b8744d1982d1 updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents: 2012
diff changeset
2059 vim_free(eval_result);
b8744d1982d1 updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents: 2012
diff changeset
2060 eval_result = s;
b8744d1982d1 updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents: 2012
diff changeset
2061 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2062 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2063
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2064 dst += STRLEN(eval_result);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2065 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2066
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2067 can_f_submatch = prev_can_f_submatch;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2068 if (can_f_submatch)
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2069 rsm = rsm_save;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2070 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2071 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2072 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2073 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2074 while ((c = *src++) != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2075 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2076 if (c == '&' && magic)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2077 no = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2078 else if (c == '\\' && *src != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2079 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2080 if (*src == '&' && !magic)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2081 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2082 ++src;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2083 no = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2084 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2085 else if ('0' <= *src && *src <= '9')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2086 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2087 no = *src++ - '0';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2088 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2089 else if (vim_strchr((char_u *)"uUlLeE", *src))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2090 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2091 switch (*src++)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2092 {
4244
7faeece39228 updated for version 7.3.873
Bram Moolenaar <bram@vim.org>
parents: 4176
diff changeset
2093 case 'u': func_one = (fptr_T)do_upper;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2094 continue;
4244
7faeece39228 updated for version 7.3.873
Bram Moolenaar <bram@vim.org>
parents: 4176
diff changeset
2095 case 'U': func_all = (fptr_T)do_Upper;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2096 continue;
4244
7faeece39228 updated for version 7.3.873
Bram Moolenaar <bram@vim.org>
parents: 4176
diff changeset
2097 case 'l': func_one = (fptr_T)do_lower;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2098 continue;
4244
7faeece39228 updated for version 7.3.873
Bram Moolenaar <bram@vim.org>
parents: 4176
diff changeset
2099 case 'L': func_all = (fptr_T)do_Lower;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2100 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2101 case 'e':
4244
7faeece39228 updated for version 7.3.873
Bram Moolenaar <bram@vim.org>
parents: 4176
diff changeset
2102 case 'E': func_one = func_all = (fptr_T)NULL;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2103 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2104 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2105 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2106 }
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2107 if (no < 0) // Ordinary character.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2108 {
798
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2109 if (c == K_SPECIAL && src[0] != NUL && src[1] != NUL)
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2110 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2111 // Copy a special key as-is.
798
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2112 if (copy)
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2113 {
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2114 *dst++ = c;
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2115 *dst++ = *src++;
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2116 *dst++ = *src++;
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2117 }
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2118 else
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2119 {
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2120 dst += 3;
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2121 src += 2;
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2122 }
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2123 continue;
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2124 }
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2125
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2126 if (c == '\\' && *src != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2127 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2128 // Check for abbreviations -- webb
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2129 switch (*src)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2130 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2131 case 'r': c = CAR; ++src; break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2132 case 'n': c = NL; ++src; break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2133 case 't': c = TAB; ++src; break;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2134 // Oh no! \e already has meaning in subst pat :-(
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2135 // case 'e': c = ESC; ++src; break;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2136 case 'b': c = Ctrl_H; ++src; break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2137
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2138 // If "backslash" is TRUE the backslash will be removed
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2139 // later. Used to insert a literal CR.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2140 default: if (backslash)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2141 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2142 if (copy)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2143 *dst = '\\';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2144 ++dst;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2145 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2146 c = *src++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2147 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2148 }
798
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2149 else if (has_mbyte)
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2150 c = mb_ptr2char(src - 1);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2151
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2152 // Write to buffer, if copy is set.
4244
7faeece39228 updated for version 7.3.873
Bram Moolenaar <bram@vim.org>
parents: 4176
diff changeset
2153 if (func_one != (fptr_T)NULL)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2154 // Turbo C complains without the typecast
4244
7faeece39228 updated for version 7.3.873
Bram Moolenaar <bram@vim.org>
parents: 4176
diff changeset
2155 func_one = (fptr_T)(func_one(&cc, c));
7faeece39228 updated for version 7.3.873
Bram Moolenaar <bram@vim.org>
parents: 4176
diff changeset
2156 else if (func_all != (fptr_T)NULL)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2157 // Turbo C complains without the typecast
4244
7faeece39228 updated for version 7.3.873
Bram Moolenaar <bram@vim.org>
parents: 4176
diff changeset
2158 func_all = (fptr_T)(func_all(&cc, c));
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2159 else // just copy
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2160 cc = c;
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2161
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2162 if (has_mbyte)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2163 {
2307
81527f127fb1 Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents: 2247
diff changeset
2164 int totlen = mb_ptr2len(src - 1);
81527f127fb1 Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents: 2247
diff changeset
2165
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2166 if (copy)
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2167 mb_char2bytes(cc, dst);
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2168 dst += mb_char2len(cc) - 1;
2307
81527f127fb1 Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents: 2247
diff changeset
2169 if (enc_utf8)
81527f127fb1 Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents: 2247
diff changeset
2170 {
81527f127fb1 Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents: 2247
diff changeset
2171 int clen = utf_ptr2len(src - 1);
81527f127fb1 Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents: 2247
diff changeset
2172
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2173 // If the character length is shorter than "totlen", there
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2174 // are composing characters; copy them as-is.
2307
81527f127fb1 Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents: 2247
diff changeset
2175 if (clen < totlen)
81527f127fb1 Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents: 2247
diff changeset
2176 {
81527f127fb1 Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents: 2247
diff changeset
2177 if (copy)
81527f127fb1 Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents: 2247
diff changeset
2178 mch_memmove(dst + 1, src - 1 + clen,
81527f127fb1 Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents: 2247
diff changeset
2179 (size_t)(totlen - clen));
81527f127fb1 Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents: 2247
diff changeset
2180 dst += totlen - clen;
81527f127fb1 Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents: 2247
diff changeset
2181 }
81527f127fb1 Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents: 2247
diff changeset
2182 }
81527f127fb1 Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents: 2247
diff changeset
2183 src += totlen - 1;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2184 }
15603
639b8318472c patch 8.1.0809: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents: 15555
diff changeset
2185 else if (copy)
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2186 *dst = cc;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2187 dst++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2188 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2189 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2190 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2191 if (REG_MULTI)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2192 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2193 clnum = rex.reg_mmatch->startpos[no].lnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2194 if (clnum < 0 || rex.reg_mmatch->endpos[no].lnum < 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2195 s = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2196 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2197 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2198 s = reg_getline(clnum) + rex.reg_mmatch->startpos[no].col;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2199 if (rex.reg_mmatch->endpos[no].lnum == clnum)
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2200 len = rex.reg_mmatch->endpos[no].col
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2201 - rex.reg_mmatch->startpos[no].col;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2202 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2203 len = (int)STRLEN(s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2204 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2205 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2206 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2207 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2208 s = rex.reg_match->startp[no];
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2209 if (rex.reg_match->endp[no] == NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2210 s = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2211 else
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2212 len = (int)(rex.reg_match->endp[no] - s);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2213 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2214 if (s != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2215 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2216 for (;;)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2217 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2218 if (len == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2219 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2220 if (REG_MULTI)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2221 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2222 if (rex.reg_mmatch->endpos[no].lnum == clnum)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2223 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2224 if (copy)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2225 *dst = CAR;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2226 ++dst;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2227 s = reg_getline(++clnum);
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2228 if (rex.reg_mmatch->endpos[no].lnum == clnum)
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2229 len = rex.reg_mmatch->endpos[no].col;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2230 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2231 len = (int)STRLEN(s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2232 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2233 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2234 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2235 }
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2236 else if (*s == NUL) // we hit NUL.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2237 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2238 if (copy)
25306
078edc1821bf patch 8.2.3190: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 24768
diff changeset
2239 iemsg(_(e_damaged_match_string));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2240 goto exit;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2241 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2242 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2243 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2244 if (backslash && (*s == CAR || *s == '\\'))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2245 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2246 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2247 * Insert a backslash in front of a CR, otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2248 * it will be replaced by a line break.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2249 * Number of backslashes will be halved later,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2250 * double them here.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2251 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2252 if (copy)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2253 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2254 dst[0] = '\\';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2255 dst[1] = *s;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2256 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2257 dst += 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2258 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2259 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2260 {
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2261 if (has_mbyte)
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2262 c = mb_ptr2char(s);
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2263 else
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2264 c = *s;
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2265
4244
7faeece39228 updated for version 7.3.873
Bram Moolenaar <bram@vim.org>
parents: 4176
diff changeset
2266 if (func_one != (fptr_T)NULL)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2267 // Turbo C complains without the typecast
4244
7faeece39228 updated for version 7.3.873
Bram Moolenaar <bram@vim.org>
parents: 4176
diff changeset
2268 func_one = (fptr_T)(func_one(&cc, c));
7faeece39228 updated for version 7.3.873
Bram Moolenaar <bram@vim.org>
parents: 4176
diff changeset
2269 else if (func_all != (fptr_T)NULL)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2270 // Turbo C complains without the typecast
4244
7faeece39228 updated for version 7.3.873
Bram Moolenaar <bram@vim.org>
parents: 4176
diff changeset
2271 func_all = (fptr_T)(func_all(&cc, c));
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2272 else // just copy
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2273 cc = c;
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2274
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2275 if (has_mbyte)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2276 {
1332
6d421b3c485b updated for version 7.1-046
vimboss
parents: 1209
diff changeset
2277 int l;
6d421b3c485b updated for version 7.1-046
vimboss
parents: 1209
diff changeset
2278
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2279 // Copy composing characters separately, one
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2280 // at a time.
1332
6d421b3c485b updated for version 7.1-046
vimboss
parents: 1209
diff changeset
2281 if (enc_utf8)
6d421b3c485b updated for version 7.1-046
vimboss
parents: 1209
diff changeset
2282 l = utf_ptr2len(s) - 1;
6d421b3c485b updated for version 7.1-046
vimboss
parents: 1209
diff changeset
2283 else
6d421b3c485b updated for version 7.1-046
vimboss
parents: 1209
diff changeset
2284 l = mb_ptr2len(s) - 1;
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2285
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2286 s += l;
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2287 len -= l;
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2288 if (copy)
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2289 mb_char2bytes(cc, dst);
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2290 dst += mb_char2len(cc) - 1;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2291 }
15603
639b8318472c patch 8.1.0809: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents: 15555
diff changeset
2292 else if (copy)
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2293 *dst = cc;
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2294 dst++;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2295 }
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2296
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2297 ++s;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2298 --len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2299 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2300 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2301 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2302 no = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2303 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2304 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2305 if (copy)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2306 *dst = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2307
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2308 exit:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2309 return (int)((dst - dest) + 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2310 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2311
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2312 #ifdef FEAT_EVAL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2313 /*
2011
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2314 * Call reg_getline() with the line numbers from the submatch. If a
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2315 * substitute() was used the reg_maxline and other values have been
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2316 * overwritten.
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2317 */
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2318 static char_u *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2319 reg_getline_submatch(linenr_T lnum)
2011
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2320 {
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2321 char_u *s;
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2322 linenr_T save_first = rex.reg_firstlnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2323 linenr_T save_max = rex.reg_maxline;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2324
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2325 rex.reg_firstlnum = rsm.sm_firstlnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2326 rex.reg_maxline = rsm.sm_maxline;
2011
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2327
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2328 s = reg_getline(lnum);
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2329
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2330 rex.reg_firstlnum = save_first;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2331 rex.reg_maxline = save_max;
2011
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2332 return s;
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2333 }
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2334
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2335 /*
1209
070f2ac50cf8 updated for version 7.1b
vimboss
parents: 1148
diff changeset
2336 * Used for the submatch() function: get the string from the n'th submatch in
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2337 * allocated memory.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2338 * Returns NULL when not in a ":s" command and for a non-existing submatch.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2339 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2340 char_u *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2341 reg_submatch(int no)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2342 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2343 char_u *retval = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2344 char_u *s;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2345 int len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2346 int round;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2347 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2348
840
2c885fab04e3 updated for version 7.0e06
vimboss
parents: 798
diff changeset
2349 if (!can_f_submatch || no < 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2350 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2351
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2352 if (rsm.sm_match == NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2353 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2354 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2355 * First round: compute the length and allocate memory.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2356 * Second round: copy the text.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2357 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2358 for (round = 1; round <= 2; ++round)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2359 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2360 lnum = rsm.sm_mmatch->startpos[no].lnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2361 if (lnum < 0 || rsm.sm_mmatch->endpos[no].lnum < 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2362 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2363
16040
13ab270dd68d patch 8.1.1025: checking NULL pointer after addition
Bram Moolenaar <Bram@vim.org>
parents: 15967
diff changeset
2364 s = reg_getline_submatch(lnum);
13ab270dd68d patch 8.1.1025: checking NULL pointer after addition
Bram Moolenaar <Bram@vim.org>
parents: 15967
diff changeset
2365 if (s == NULL) // anti-crash check, cannot happen?
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2366 break;
16040
13ab270dd68d patch 8.1.1025: checking NULL pointer after addition
Bram Moolenaar <Bram@vim.org>
parents: 15967
diff changeset
2367 s += rsm.sm_mmatch->startpos[no].col;
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2368 if (rsm.sm_mmatch->endpos[no].lnum == lnum)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2369 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2370 // Within one line: take form start to end col.
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2371 len = rsm.sm_mmatch->endpos[no].col
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2372 - rsm.sm_mmatch->startpos[no].col;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2373 if (round == 2)
418
84825cc6f049 updated for version 7.0109
vimboss
parents: 410
diff changeset
2374 vim_strncpy(retval, s, len);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2375 ++len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2376 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2377 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2378 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2379 // Multiple lines: take start line from start col, middle
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2380 // lines completely and end line up to end col.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2381 len = (int)STRLEN(s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2382 if (round == 2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2383 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2384 STRCPY(retval, s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2385 retval[len] = '\n';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2386 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2387 ++len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2388 ++lnum;
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2389 while (lnum < rsm.sm_mmatch->endpos[no].lnum)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2390 {
2011
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2391 s = reg_getline_submatch(lnum++);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2392 if (round == 2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2393 STRCPY(retval + len, s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2394 len += (int)STRLEN(s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2395 if (round == 2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2396 retval[len] = '\n';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2397 ++len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2398 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2399 if (round == 2)
2011
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2400 STRNCPY(retval + len, reg_getline_submatch(lnum),
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2401 rsm.sm_mmatch->endpos[no].col);
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2402 len += rsm.sm_mmatch->endpos[no].col;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2403 if (round == 2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2404 retval[len] = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2405 ++len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2406 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2407
840
2c885fab04e3 updated for version 7.0e06
vimboss
parents: 798
diff changeset
2408 if (retval == NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2409 {
16768
695d9ef00b03 patch 8.1.1386: unessesary type casts for lalloc()
Bram Moolenaar <Bram@vim.org>
parents: 16764
diff changeset
2410 retval = alloc(len);
840
2c885fab04e3 updated for version 7.0e06
vimboss
parents: 798
diff changeset
2411 if (retval == NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2412 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2413 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2414 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2415 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2416 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2417 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2418 s = rsm.sm_match->startp[no];
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2419 if (s == NULL || rsm.sm_match->endp[no] == NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2420 retval = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2421 else
20830
9064044fd4f6 patch 8.2.0967: unnecessary type casts for vim_strnsave()
Bram Moolenaar <Bram@vim.org>
parents: 20113
diff changeset
2422 retval = vim_strnsave(s, rsm.sm_match->endp[no] - s);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2423 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2424
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2425 return retval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2426 }
5794
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2427
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2428 /*
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2429 * Used for the submatch() function with the optional non-zero argument: get
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2430 * the list of strings from the n'th submatch in allocated memory with NULs
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2431 * represented in NLs.
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2432 * Returns a list of allocated strings. Returns NULL when not in a ":s"
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2433 * command, for a non-existing submatch and for any error.
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2434 */
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2435 list_T *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2436 reg_submatch_list(int no)
5794
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2437 {
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2438 char_u *s;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2439 linenr_T slnum;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2440 linenr_T elnum;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2441 colnr_T scol;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2442 colnr_T ecol;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2443 int i;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2444 list_T *list;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2445 int error = FALSE;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2446
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2447 if (!can_f_submatch || no < 0)
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2448 return NULL;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2449
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2450 if (rsm.sm_match == NULL)
5794
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2451 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2452 slnum = rsm.sm_mmatch->startpos[no].lnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2453 elnum = rsm.sm_mmatch->endpos[no].lnum;
5794
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2454 if (slnum < 0 || elnum < 0)
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2455 return NULL;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2456
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2457 scol = rsm.sm_mmatch->startpos[no].col;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2458 ecol = rsm.sm_mmatch->endpos[no].col;
5794
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2459
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2460 list = list_alloc();
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2461 if (list == NULL)
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2462 return NULL;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2463
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2464 s = reg_getline_submatch(slnum) + scol;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2465 if (slnum == elnum)
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2466 {
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2467 if (list_append_string(list, s, ecol - scol) == FAIL)
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2468 error = TRUE;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2469 }
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2470 else
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2471 {
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2472 if (list_append_string(list, s, -1) == FAIL)
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2473 error = TRUE;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2474 for (i = 1; i < elnum - slnum; i++)
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2475 {
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2476 s = reg_getline_submatch(slnum + i);
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2477 if (list_append_string(list, s, -1) == FAIL)
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2478 error = TRUE;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2479 }
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2480 s = reg_getline_submatch(elnum);
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2481 if (list_append_string(list, s, ecol) == FAIL)
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2482 error = TRUE;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2483 }
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2484 }
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2485 else
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2486 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2487 s = rsm.sm_match->startp[no];
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2488 if (s == NULL || rsm.sm_match->endp[no] == NULL)
5794
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2489 return NULL;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2490 list = list_alloc();
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2491 if (list == NULL)
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2492 return NULL;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2493 if (list_append_string(list, s,
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2494 (int)(rsm.sm_match->endp[no] - s)) == FAIL)
5794
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2495 error = TRUE;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2496 }
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2497
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2498 if (error)
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2499 {
8863
e1b84109506a commit https://github.com/vim/vim/commit/107e1eef1df3b786ad3ad49fbdb9e058649303b5
Christian Brabandt <cb@256bit.org>
parents: 8825
diff changeset
2500 list_free(list);
5794
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2501 return NULL;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2502 }
22143
3ec9e302ec94 patch 8.2.1621: crash when using submatch(0, 1) in substitute()
Bram Moolenaar <Bram@vim.org>
parents: 20996
diff changeset
2503 ++list->lv_refcount;
5794
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2504 return list;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2505 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2506 #endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2507
19405
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2508 /*
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2509 * Initialize the values used for matching against multiple lines
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2510 */
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2511 static void
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2512 init_regexec_multi(
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2513 regmmatch_T *rmp,
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2514 win_T *win, // window in which to search or NULL
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2515 buf_T *buf, // buffer in which to search
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2516 linenr_T lnum) // nr of line to start looking for match
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2517 {
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2518 rex.reg_match = NULL;
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2519 rex.reg_mmatch = rmp;
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2520 rex.reg_buf = buf;
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2521 rex.reg_win = win;
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2522 rex.reg_firstlnum = lnum;
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2523 rex.reg_maxline = rex.reg_buf->b_ml.ml_line_count - lnum;
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2524 rex.reg_line_lbr = FALSE;
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2525 rex.reg_ic = rmp->rmm_ic;
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2526 rex.reg_icombine = FALSE;
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2527 rex.reg_maxcol = rmp->rmm_maxcol;
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2528 }
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2529
18019
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
2530 #include "regexp_bt.c"
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
2531
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2532 static regengine_T bt_regengine =
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2533 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2534 bt_regcomp,
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2535 bt_regfree,
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2536 bt_regexec_nl,
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2537 bt_regexec_multi,
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2538 };
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2539
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2540 #include "regexp_nfa.c"
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2541
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2542 static regengine_T nfa_regengine =
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2543 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2544 nfa_regcomp,
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2545 nfa_regfree,
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2546 nfa_regexec_nl,
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2547 nfa_regexec_multi,
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2548 };
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2549
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2550 // Which regexp engine to use? Needed for vim_regcomp().
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2551 // Must match with 'regexpengine'.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2552 static int regexp_engine = 0;
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2553
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2554 #ifdef DEBUG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2555 static char_u regname[][30] = {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2556 "AUTOMATIC Regexp Engine",
4579
7a2be4a39423 updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents: 4505
diff changeset
2557 "BACKTRACKING Regexp Engine",
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2558 "NFA Regexp Engine"
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2559 };
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2560 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2561
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2562 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2563 * Compile a regular expression into internal code.
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2564 * Returns the program in allocated memory.
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2565 * Use vim_regfree() to free the memory.
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2566 * Returns NULL for an error.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2567 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2568 regprog_T *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2569 vim_regcomp(char_u *expr_arg, int re_flags)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2570 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2571 regprog_T *prog = NULL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2572 char_u *expr = expr_arg;
18949
5c405689da3e patch 8.2.0035: saving and restoring called_emsg is clumsy
Bram Moolenaar <Bram@vim.org>
parents: 18812
diff changeset
2573 int called_emsg_before;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2574
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2575 regexp_engine = p_re;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2576
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2577 // Check for prefix "\%#=", that sets the regexp engine
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2578 if (STRNCMP(expr, "\\%#=", 4) == 0)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2579 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2580 int newengine = expr[4] - '0';
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2581
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2582 if (newengine == AUTOMATIC_ENGINE
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2583 || newengine == BACKTRACKING_ENGINE
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2584 || newengine == NFA_ENGINE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2585 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2586 regexp_engine = expr[4] - '0';
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2587 expr += 5;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2588 #ifdef DEBUG
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15339
diff changeset
2589 smsg("New regexp mode selected (%d): %s",
5897
b5972833add9 updated for version 7.4.291
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
2590 regexp_engine, regname[newengine]);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2591 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2592 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2593 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2594 {
26962
85866e069c24 patch 8.2.4010: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26958
diff changeset
2595 emsg(_(e_percent_hash_can_only_be_followed_by_zero_one_two_automatic_engine_will_be_used));
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2596 regexp_engine = AUTOMATIC_ENGINE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2597 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2598 }
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
2599 #ifdef DEBUG
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2600 bt_regengine.expr = expr;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2601 nfa_regengine.expr = expr;
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
2602 #endif
15856
e44b7caaf373 patch 8.1.0935: old regexp engine may use invalid buffer
Bram Moolenaar <Bram@vim.org>
parents: 15854
diff changeset
2603 // reg_iswordc() uses rex.reg_buf
e44b7caaf373 patch 8.1.0935: old regexp engine may use invalid buffer
Bram Moolenaar <Bram@vim.org>
parents: 15854
diff changeset
2604 rex.reg_buf = curbuf;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2605
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2606 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2607 * First try the NFA engine, unless backtracking was requested.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2608 */
18949
5c405689da3e patch 8.2.0035: saving and restoring called_emsg is clumsy
Bram Moolenaar <Bram@vim.org>
parents: 18812
diff changeset
2609 called_emsg_before = called_emsg;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2610 if (regexp_engine != BACKTRACKING_ENGINE)
13244
ac42c4b11dbc patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents: 12752
diff changeset
2611 prog = nfa_regengine.regcomp(expr,
6533
bdc8e71633e4 updated for version 7.4.593
Bram Moolenaar <bram@vim.org>
parents: 6390
diff changeset
2612 re_flags + (regexp_engine == AUTOMATIC_ENGINE ? RE_AUTO : 0));
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2613 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2614 prog = bt_regengine.regcomp(expr, re_flags);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2615
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2616 // Check for error compiling regexp with initial engine.
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2617 if (prog == NULL)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2618 {
4460
fe8a0a6a1c2a updated for version 7.3.978
Bram Moolenaar <bram@vim.org>
parents: 4444
diff changeset
2619 #ifdef BT_REGEXP_DEBUG_LOG
23471
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns
Bram Moolenaar <Bram@vim.org>
parents: 22167
diff changeset
2620 if (regexp_engine == BACKTRACKING_ENGINE) // debugging log for BT engine
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2621 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2622 FILE *f;
4460
fe8a0a6a1c2a updated for version 7.3.978
Bram Moolenaar <bram@vim.org>
parents: 4444
diff changeset
2623 f = fopen(BT_REGEXP_DEBUG_LOG_NAME, "a");
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2624 if (f)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2625 {
4762
47906f888725 updated for version 7.3.1128
Bram Moolenaar <bram@vim.org>
parents: 4760
diff changeset
2626 fprintf(f, "Syntax error in \"%s\"\n", expr);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2627 fclose(f);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2628 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2629 else
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15339
diff changeset
2630 semsg("(NFA) Could not open \"%s\" to write !!!",
13244
ac42c4b11dbc patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents: 12752
diff changeset
2631 BT_REGEXP_DEBUG_LOG_NAME);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2632 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2633 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2634 /*
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2635 * If the NFA engine failed, try the backtracking engine.
6533
bdc8e71633e4 updated for version 7.4.593
Bram Moolenaar <bram@vim.org>
parents: 6390
diff changeset
2636 * The NFA engine also fails for patterns that it can't handle well
bdc8e71633e4 updated for version 7.4.593
Bram Moolenaar <bram@vim.org>
parents: 6390
diff changeset
2637 * but are still valid patterns, thus a retry should work.
15935
ff00d207cc5e patch 8.1.0973: pattern with syntax error gives threee error messages
Bram Moolenaar <Bram@vim.org>
parents: 15860
diff changeset
2638 * But don't try if an error message was given.
6533
bdc8e71633e4 updated for version 7.4.593
Bram Moolenaar <bram@vim.org>
parents: 6390
diff changeset
2639 */
18949
5c405689da3e patch 8.2.0035: saving and restoring called_emsg is clumsy
Bram Moolenaar <Bram@vim.org>
parents: 18812
diff changeset
2640 if (regexp_engine == AUTOMATIC_ENGINE
5c405689da3e patch 8.2.0035: saving and restoring called_emsg is clumsy
Bram Moolenaar <Bram@vim.org>
parents: 18812
diff changeset
2641 && called_emsg == called_emsg_before)
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2642 {
6533
bdc8e71633e4 updated for version 7.4.593
Bram Moolenaar <bram@vim.org>
parents: 6390
diff changeset
2643 regexp_engine = BACKTRACKING_ENGINE;
23471
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns
Bram Moolenaar <Bram@vim.org>
parents: 22167
diff changeset
2644 #ifdef FEAT_EVAL
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns
Bram Moolenaar <Bram@vim.org>
parents: 22167
diff changeset
2645 report_re_switch(expr);
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns
Bram Moolenaar <Bram@vim.org>
parents: 22167
diff changeset
2646 #endif
4762
47906f888725 updated for version 7.3.1128
Bram Moolenaar <bram@vim.org>
parents: 4760
diff changeset
2647 prog = bt_regengine.regcomp(expr, re_flags);
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2648 }
4762
47906f888725 updated for version 7.3.1128
Bram Moolenaar <bram@vim.org>
parents: 4760
diff changeset
2649 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2650
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2651 if (prog != NULL)
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2652 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2653 // Store the info needed to call regcomp() again when the engine turns
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2654 // out to be very slow when executing it.
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2655 prog->re_engine = regexp_engine;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2656 prog->re_flags = re_flags;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2657 }
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2658
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2659 return prog;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2660 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2661
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2662 /*
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2663 * Free a compiled regexp program, returned by vim_regcomp().
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2664 */
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2665 void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2666 vim_regfree(regprog_T *prog)
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2667 {
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2668 if (prog != NULL)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2669 prog->engine->regfree(prog);
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2670 }
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2671
18019
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
2672 #if defined(EXITFREE) || defined(PROTO)
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
2673 void
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
2674 free_regexp_stuff(void)
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
2675 {
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
2676 ga_clear(&regstack);
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
2677 ga_clear(&backpos);
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
2678 vim_free(reg_tofree);
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
2679 vim_free(reg_prev_sub);
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
2680 }
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
2681 #endif
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
2682
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2683 #ifdef FEAT_EVAL
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2684 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2685 report_re_switch(char_u *pat)
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2686 {
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2687 if (p_verbose > 0)
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2688 {
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2689 verbose_enter();
15543
dd725a8ab112 patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15480
diff changeset
2690 msg_puts(_("Switching to backtracking RE engine for pattern: "));
dd725a8ab112 patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15480
diff changeset
2691 msg_puts((char *)pat);
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2692 verbose_leave();
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2693 }
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2694 }
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2695 #endif
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2696
26336
a2e6da79274d patch 8.2.3699: the +title feature adds a lot of #ifdef but little code
Bram Moolenaar <Bram@vim.org>
parents: 26161
diff changeset
2697 #if defined(FEAT_X11) || defined(PROTO)
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2698 /*
15306
7fff2d18e191 patch 8.1.0661: clipboard regexp might be used recursively
Bram Moolenaar <Bram@vim.org>
parents: 15211
diff changeset
2699 * Return whether "prog" is currently being executed.
7fff2d18e191 patch 8.1.0661: clipboard regexp might be used recursively
Bram Moolenaar <Bram@vim.org>
parents: 15211
diff changeset
2700 */
7fff2d18e191 patch 8.1.0661: clipboard regexp might be used recursively
Bram Moolenaar <Bram@vim.org>
parents: 15211
diff changeset
2701 int
7fff2d18e191 patch 8.1.0661: clipboard regexp might be used recursively
Bram Moolenaar <Bram@vim.org>
parents: 15211
diff changeset
2702 regprog_in_use(regprog_T *prog)
7fff2d18e191 patch 8.1.0661: clipboard regexp might be used recursively
Bram Moolenaar <Bram@vim.org>
parents: 15211
diff changeset
2703 {
7fff2d18e191 patch 8.1.0661: clipboard regexp might be used recursively
Bram Moolenaar <Bram@vim.org>
parents: 15211
diff changeset
2704 return prog->re_in_use;
7fff2d18e191 patch 8.1.0661: clipboard regexp might be used recursively
Bram Moolenaar <Bram@vim.org>
parents: 15211
diff changeset
2705 }
15555
d89c5b339c2a patch 8.1.0785: depending on the configuration some functions are unused
Bram Moolenaar <Bram@vim.org>
parents: 15543
diff changeset
2706 #endif
15306
7fff2d18e191 patch 8.1.0661: clipboard regexp might be used recursively
Bram Moolenaar <Bram@vim.org>
parents: 15211
diff changeset
2707
7fff2d18e191 patch 8.1.0661: clipboard regexp might be used recursively
Bram Moolenaar <Bram@vim.org>
parents: 15211
diff changeset
2708 /*
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2709 * Match a regexp against a string.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2710 * "rmp->regprog" is a compiled regexp as returned by vim_regcomp().
6375
27a36d1013a6 updated for version 7.4.519
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
2711 * Note: "rmp->regprog" may be freed and changed.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2712 * Uses curbuf for line count and 'iskeyword'.
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2713 * When "nl" is TRUE consider a "\n" in "line" to be a line break.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2714 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2715 * Return TRUE if there is a match, FALSE if not.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2716 */
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2717 static int
11529
998d2cf59caa patch 8.0.0647: syntax highlighting can make cause a freeze
Christian Brabandt <cb@256bit.org>
parents: 11527
diff changeset
2718 vim_regexec_string(
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2719 regmatch_T *rmp,
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2720 char_u *line, // string to match against
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2721 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: 7807
diff changeset
2722 int nl)
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2723 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2724 int result;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2725 regexec_T rex_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2726 int rex_in_use_save = rex_in_use;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2727
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
2728 // Cannot use the same prog recursively, it contains state.
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
2729 if (rmp->regprog->re_in_use)
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
2730 {
26958
d92e0d85923f patch 8.2.4008: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26952
diff changeset
2731 emsg(_(e_cannot_use_pattern_recursively));
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
2732 return FALSE;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
2733 }
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
2734 rmp->regprog->re_in_use = TRUE;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
2735
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2736 if (rex_in_use)
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
2737 // Being called recursively, save the state.
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2738 rex_save = rex;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2739 rex_in_use = TRUE;
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
2740
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2741 rex.reg_startp = NULL;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2742 rex.reg_endp = NULL;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2743 rex.reg_startpos = NULL;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2744 rex.reg_endpos = NULL;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2745
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2746 result = rmp->regprog->engine->regexec_nl(rmp, line, col, nl);
14358
72d506d94f3f patch 8.1.0194: possibly use of NULL pointer
Christian Brabandt <cb@256bit.org>
parents: 14354
diff changeset
2747 rmp->regprog->re_in_use = FALSE;
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2748
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2749 // NFA engine aborted because it's very slow.
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2750 if (rmp->regprog->re_engine == AUTOMATIC_ENGINE
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2751 && result == NFA_TOO_EXPENSIVE)
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2752 {
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2753 int save_p_re = p_re;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2754 int re_flags = rmp->regprog->re_flags;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2755 char_u *pat = vim_strsave(((nfa_regprog_T *)rmp->regprog)->pattern);
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2756
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2757 p_re = BACKTRACKING_ENGINE;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2758 vim_regfree(rmp->regprog);
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2759 if (pat != NULL)
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2760 {
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2761 #ifdef FEAT_EVAL
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2762 report_re_switch(pat);
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2763 #endif
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2764 rmp->regprog = vim_regcomp(pat, re_flags);
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2765 if (rmp->regprog != NULL)
14358
72d506d94f3f patch 8.1.0194: possibly use of NULL pointer
Christian Brabandt <cb@256bit.org>
parents: 14354
diff changeset
2766 {
72d506d94f3f patch 8.1.0194: possibly use of NULL pointer
Christian Brabandt <cb@256bit.org>
parents: 14354
diff changeset
2767 rmp->regprog->re_in_use = TRUE;
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2768 result = rmp->regprog->engine->regexec_nl(rmp, line, col, nl);
14358
72d506d94f3f patch 8.1.0194: possibly use of NULL pointer
Christian Brabandt <cb@256bit.org>
parents: 14354
diff changeset
2769 rmp->regprog->re_in_use = FALSE;
72d506d94f3f patch 8.1.0194: possibly use of NULL pointer
Christian Brabandt <cb@256bit.org>
parents: 14354
diff changeset
2770 }
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2771 vim_free(pat);
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2772 }
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2773
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2774 p_re = save_p_re;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2775 }
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2776
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2777 rex_in_use = rex_in_use_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2778 if (rex_in_use)
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2779 rex = rex_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2780
6390
230b52b9d35e updated for version 7.4.526
Bram Moolenaar <bram@vim.org>
parents: 6375
diff changeset
2781 return result > 0;
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2782 }
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2783
6375
27a36d1013a6 updated for version 7.4.519
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
2784 /*
27a36d1013a6 updated for version 7.4.519
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
2785 * Note: "*prog" may be freed and changed.
6390
230b52b9d35e updated for version 7.4.526
Bram Moolenaar <bram@vim.org>
parents: 6375
diff changeset
2786 * Return TRUE if there is a match, FALSE if not.
6375
27a36d1013a6 updated for version 7.4.519
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
2787 */
27a36d1013a6 updated for version 7.4.519
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
2788 int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2789 vim_regexec_prog(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2790 regprog_T **prog,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2791 int ignore_case,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2792 char_u *line,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2793 colnr_T col)
6375
27a36d1013a6 updated for version 7.4.519
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
2794 {
11529
998d2cf59caa patch 8.0.0647: syntax highlighting can make cause a freeze
Christian Brabandt <cb@256bit.org>
parents: 11527
diff changeset
2795 int r;
998d2cf59caa patch 8.0.0647: syntax highlighting can make cause a freeze
Christian Brabandt <cb@256bit.org>
parents: 11527
diff changeset
2796 regmatch_T regmatch;
6375
27a36d1013a6 updated for version 7.4.519
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
2797
27a36d1013a6 updated for version 7.4.519
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
2798 regmatch.regprog = *prog;
27a36d1013a6 updated for version 7.4.519
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
2799 regmatch.rm_ic = ignore_case;
11529
998d2cf59caa patch 8.0.0647: syntax highlighting can make cause a freeze
Christian Brabandt <cb@256bit.org>
parents: 11527
diff changeset
2800 r = vim_regexec_string(&regmatch, line, col, FALSE);
6375
27a36d1013a6 updated for version 7.4.519
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
2801 *prog = regmatch.regprog;
27a36d1013a6 updated for version 7.4.519
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
2802 return r;
27a36d1013a6 updated for version 7.4.519
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
2803 }
27a36d1013a6 updated for version 7.4.519
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
2804
27a36d1013a6 updated for version 7.4.519
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
2805 /*
27a36d1013a6 updated for version 7.4.519
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
2806 * Note: "rmp->regprog" may be freed and changed.
6390
230b52b9d35e updated for version 7.4.526
Bram Moolenaar <bram@vim.org>
parents: 6375
diff changeset
2807 * Return TRUE if there is a match, FALSE if not.
6375
27a36d1013a6 updated for version 7.4.519
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
2808 */
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2809 int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2810 vim_regexec(regmatch_T *rmp, char_u *line, colnr_T col)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2811 {
11529
998d2cf59caa patch 8.0.0647: syntax highlighting can make cause a freeze
Christian Brabandt <cb@256bit.org>
parents: 11527
diff changeset
2812 return vim_regexec_string(rmp, line, col, FALSE);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2813 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2814
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2815 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2816 * Like vim_regexec(), but consider a "\n" in "line" to be a line break.
6375
27a36d1013a6 updated for version 7.4.519
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
2817 * Note: "rmp->regprog" may be freed and changed.
6390
230b52b9d35e updated for version 7.4.526
Bram Moolenaar <bram@vim.org>
parents: 6375
diff changeset
2818 * Return TRUE if there is a match, FALSE if not.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2819 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2820 int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2821 vim_regexec_nl(regmatch_T *rmp, char_u *line, colnr_T col)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2822 {
11529
998d2cf59caa patch 8.0.0647: syntax highlighting can make cause a freeze
Christian Brabandt <cb@256bit.org>
parents: 11527
diff changeset
2823 return vim_regexec_string(rmp, line, col, TRUE);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2824 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2825
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2826 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2827 * Match a regexp against multiple lines.
14161
7cac4646c552 patch 8.1.0098: segfault when pattern with z() is very slow
Christian Brabandt <cb@256bit.org>
parents: 13286
diff changeset
2828 * "rmp->regprog" must be a compiled regexp as returned by vim_regcomp().
7cac4646c552 patch 8.1.0098: segfault when pattern with z() is very slow
Christian Brabandt <cb@256bit.org>
parents: 13286
diff changeset
2829 * Note: "rmp->regprog" may be freed and changed, even set to NULL.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2830 * Uses curbuf for line count and 'iskeyword'.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2831 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2832 * Return zero if there is no match. Return number of lines contained in the
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2833 * match otherwise.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2834 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2835 long
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2836 vim_regexec_multi(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2837 regmmatch_T *rmp,
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2838 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: 18576
diff changeset
2839 buf_T *buf, // buffer in which to search
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2840 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: 18576
diff changeset
2841 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: 18576
diff changeset
2842 proftime_T *tm, // timeout limit or NULL
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2843 int *timed_out) // flag is set when timeout limit reached
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2844 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2845 int result;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2846 regexec_T rex_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2847 int rex_in_use_save = rex_in_use;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2848
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
2849 // Cannot use the same prog recursively, it contains state.
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
2850 if (rmp->regprog->re_in_use)
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
2851 {
26958
d92e0d85923f patch 8.2.4008: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26952
diff changeset
2852 emsg(_(e_cannot_use_pattern_recursively));
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
2853 return FALSE;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
2854 }
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
2855 rmp->regprog->re_in_use = TRUE;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
2856
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2857 if (rex_in_use)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2858 // Being called recursively, save the state.
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2859 rex_save = rex;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2860 rex_in_use = TRUE;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2861
11521
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11482
diff changeset
2862 result = rmp->regprog->engine->regexec_multi(
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11482
diff changeset
2863 rmp, win, buf, lnum, col, tm, timed_out);
14358
72d506d94f3f patch 8.1.0194: possibly use of NULL pointer
Christian Brabandt <cb@256bit.org>
parents: 14354
diff changeset
2864 rmp->regprog->re_in_use = FALSE;
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2865
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2866 // NFA engine aborted because it's very slow.
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2867 if (rmp->regprog->re_engine == AUTOMATIC_ENGINE
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2868 && result == NFA_TOO_EXPENSIVE)
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2869 {
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2870 int save_p_re = p_re;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2871 int re_flags = rmp->regprog->re_flags;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2872 char_u *pat = vim_strsave(((nfa_regprog_T *)rmp->regprog)->pattern);
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2873
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2874 p_re = BACKTRACKING_ENGINE;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2875 if (pat != NULL)
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2876 {
28323
82f34ca7b3b7 patch 8.2.4687: "vimgrep /%v/ *" may cause a crash
Bram Moolenaar <Bram@vim.org>
parents: 27752
diff changeset
2877 regprog_T *prev_prog = rmp->regprog;
82f34ca7b3b7 patch 8.2.4687: "vimgrep /%v/ *" may cause a crash
Bram Moolenaar <Bram@vim.org>
parents: 27752
diff changeset
2878
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2879 #ifdef FEAT_EVAL
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2880 report_re_switch(pat);
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2881 #endif
14169
42a9178374d1 patch 8.1.0102: cannot build without syntax highlighting
Christian Brabandt <cb@256bit.org>
parents: 14161
diff changeset
2882 #ifdef FEAT_SYN_HL
14161
7cac4646c552 patch 8.1.0098: segfault when pattern with z() is very slow
Christian Brabandt <cb@256bit.org>
parents: 13286
diff changeset
2883 // checking for \z misuse was already done when compiling for NFA,
7cac4646c552 patch 8.1.0098: segfault when pattern with z() is very slow
Christian Brabandt <cb@256bit.org>
parents: 13286
diff changeset
2884 // allow all here
7cac4646c552 patch 8.1.0098: segfault when pattern with z() is very slow
Christian Brabandt <cb@256bit.org>
parents: 13286
diff changeset
2885 reg_do_extmatch = REX_ALL;
14169
42a9178374d1 patch 8.1.0102: cannot build without syntax highlighting
Christian Brabandt <cb@256bit.org>
parents: 14161
diff changeset
2886 #endif
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2887 rmp->regprog = vim_regcomp(pat, re_flags);
14169
42a9178374d1 patch 8.1.0102: cannot build without syntax highlighting
Christian Brabandt <cb@256bit.org>
parents: 14161
diff changeset
2888 #ifdef FEAT_SYN_HL
14161
7cac4646c552 patch 8.1.0098: segfault when pattern with z() is very slow
Christian Brabandt <cb@256bit.org>
parents: 13286
diff changeset
2889 reg_do_extmatch = 0;
14169
42a9178374d1 patch 8.1.0102: cannot build without syntax highlighting
Christian Brabandt <cb@256bit.org>
parents: 14161
diff changeset
2890 #endif
28323
82f34ca7b3b7 patch 8.2.4687: "vimgrep /%v/ *" may cause a crash
Bram Moolenaar <Bram@vim.org>
parents: 27752
diff changeset
2891 if (rmp->regprog == NULL)
82f34ca7b3b7 patch 8.2.4687: "vimgrep /%v/ *" may cause a crash
Bram Moolenaar <Bram@vim.org>
parents: 27752
diff changeset
2892 {
82f34ca7b3b7 patch 8.2.4687: "vimgrep /%v/ *" may cause a crash
Bram Moolenaar <Bram@vim.org>
parents: 27752
diff changeset
2893 // Somehow compiling the pattern failed now, put back the
82f34ca7b3b7 patch 8.2.4687: "vimgrep /%v/ *" may cause a crash
Bram Moolenaar <Bram@vim.org>
parents: 27752
diff changeset
2894 // previous one to avoid "regprog" becoming NULL.
82f34ca7b3b7 patch 8.2.4687: "vimgrep /%v/ *" may cause a crash
Bram Moolenaar <Bram@vim.org>
parents: 27752
diff changeset
2895 rmp->regprog = prev_prog;
82f34ca7b3b7 patch 8.2.4687: "vimgrep /%v/ *" may cause a crash
Bram Moolenaar <Bram@vim.org>
parents: 27752
diff changeset
2896 }
82f34ca7b3b7 patch 8.2.4687: "vimgrep /%v/ *" may cause a crash
Bram Moolenaar <Bram@vim.org>
parents: 27752
diff changeset
2897 else
82f34ca7b3b7 patch 8.2.4687: "vimgrep /%v/ *" may cause a crash
Bram Moolenaar <Bram@vim.org>
parents: 27752
diff changeset
2898 {
82f34ca7b3b7 patch 8.2.4687: "vimgrep /%v/ *" may cause a crash
Bram Moolenaar <Bram@vim.org>
parents: 27752
diff changeset
2899 vim_regfree(prev_prog);
14161
7cac4646c552 patch 8.1.0098: segfault when pattern with z() is very slow
Christian Brabandt <cb@256bit.org>
parents: 13286
diff changeset
2900
14358
72d506d94f3f patch 8.1.0194: possibly use of NULL pointer
Christian Brabandt <cb@256bit.org>
parents: 14354
diff changeset
2901 rmp->regprog->re_in_use = TRUE;
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2902 result = rmp->regprog->engine->regexec_multi(
11521
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11482
diff changeset
2903 rmp, win, buf, lnum, col, tm, timed_out);
14358
72d506d94f3f patch 8.1.0194: possibly use of NULL pointer
Christian Brabandt <cb@256bit.org>
parents: 14354
diff changeset
2904 rmp->regprog->re_in_use = FALSE;
72d506d94f3f patch 8.1.0194: possibly use of NULL pointer
Christian Brabandt <cb@256bit.org>
parents: 14354
diff changeset
2905 }
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2906 vim_free(pat);
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2907 }
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2908 p_re = save_p_re;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2909 }
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2910
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2911 rex_in_use = rex_in_use_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2912 if (rex_in_use)
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2913 rex = rex_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2914
6390
230b52b9d35e updated for version 7.4.526
Bram Moolenaar <bram@vim.org>
parents: 6375
diff changeset
2915 return result <= 0 ? 0 : result;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2916 }