annotate src/regexp.c @ 23598:a9433f834693 v8.2.2341

patch 8.2.2341: expresison command line completion incomplete after "g:" Commit: https://github.com/vim/vim/commit/1bb4de5302ba038b9c59e845b6d735e87d5681d0 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jan 13 19:48:46 2021 +0100 patch 8.2.2341: expresison command line completion incomplete after "g:" Problem: Expresison command line completion shows variables but not functions after "g:". (Gary Johnson) Solution: Prefix "g:" when needed to a global function.
author Bram Moolenaar <Bram@vim.org>
date Wed, 13 Jan 2021 20:00:05 +0100
parents bb29b09902d5
children f293bb501b30
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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(_("E369: invalid item in %s%%[]"), reg_magic == MAGIC_ALL)
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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 static char_u e_missingbracket[] = N_("E769: Missing ] after %s[");
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75 static char_u e_reverse_range[] = N_("E944: Reverse range in character class");
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76 static char_u e_large_class[] = N_("E945: Range too large in character class");
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77 static char_u e_unmatchedpp[] = N_("E53: Unmatched %s%%(");
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78 static char_u e_unmatchedp[] = N_("E54: Unmatched %s(");
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79 static char_u e_unmatchedpar[] = N_("E55: Unmatched %s)");
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80 #ifdef FEAT_SYN_HL
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81 static char_u e_z_not_allowed[] = N_("E66: \\z( not allowed here");
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82 static char_u e_z1_not_allowed[] = N_("E67: \\z1 - \\z9 not allowed here");
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83 #endif
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84 static char_u e_missing_sb[] = N_("E69: Missing ] after %s%%[");
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85 static char_u e_empty_sb[] = N_("E70: Empty %s%%[]");
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86 static char_u e_recursive[] = N_("E956: Cannot use pattern recursively");
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87
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88 #define NOT_MULTI 0
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89 #define MULTI_ONE 1
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90 #define MULTI_MULT 2
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91
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92 // return values for regmatch()
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93 #define RA_FAIL 1 // something failed, abort
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94 #define RA_CONT 2 // continue in inner loop
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95 #define RA_BREAK 3 // break inner loop
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96 #define RA_MATCH 4 // successful match
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97 #define RA_NOMATCH 5 // didn't match
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98
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99 /*
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100 * Return NOT_MULTI if c is not a "multi" operator.
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101 * Return MULTI_ONE if c is a single "multi" operator.
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102 * Return MULTI_MULT if c is a multi "multi" operator.
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103 */
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104 static int
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105 re_multi_type(int c)
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106 {
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107 if (c == Magic('@') || c == Magic('=') || c == Magic('?'))
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108 return MULTI_ONE;
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109 if (c == Magic('*') || c == Magic('+') || c == Magic('{'))
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110 return MULTI_MULT;
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111 return NOT_MULTI;
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112 }
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113
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114 static char_u *reg_prev_sub = NULL;
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115
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116 /*
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117 * REGEXP_INRANGE contains all characters which are always special in a []
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118 * range after '\'.
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119 * REGEXP_ABBR contains all characters which act as abbreviations after '\'.
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120 * These are:
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121 * \n - New line (NL).
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122 * \r - Carriage Return (CR).
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123 * \t - Tab (TAB).
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124 * \e - Escape (ESC).
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125 * \b - Backspace (Ctrl_H).
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126 * \d - Character code in decimal, eg \d123
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127 * \o - Character code in octal, eg \o80
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128 * \x - Character code in hex, eg \x4a
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129 * \u - Multibyte character code, eg \u20ac
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130 * \U - Long multibyte character code, eg \U12345678
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131 */
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132 static char_u REGEXP_INRANGE[] = "]^-n\\";
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133 static char_u REGEXP_ABBR[] = "nrtebdoxuU";
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134
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135 /*
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136 * Translate '\x' to its control character, except "\n", which is Magic.
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137 */
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138 static int
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139 backslash_trans(int c)
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140 {
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141 switch (c)
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142 {
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143 case 'r': return CAR;
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144 case 't': return TAB;
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145 case 'e': return ESC;
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146 case 'b': return BS;
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147 }
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148 return c;
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149 }
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150
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151 /*
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152 * Check for a character class name "[:name:]". "pp" points to the '['.
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153 * Returns one of the CLASS_ items. CLASS_NONE means that no item was
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154 * recognized. Otherwise "pp" is advanced to after the item.
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155 */
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156 static int
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157 get_char_class(char_u **pp)
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158 {
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159 static const char *(class_names[]) =
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160 {
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161 "alnum:]",
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162 #define CLASS_ALNUM 0
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163 "alpha:]",
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164 #define CLASS_ALPHA 1
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165 "blank:]",
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166 #define CLASS_BLANK 2
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167 "cntrl:]",
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168 #define CLASS_CNTRL 3
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169 "digit:]",
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170 #define CLASS_DIGIT 4
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171 "graph:]",
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172 #define CLASS_GRAPH 5
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173 "lower:]",
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174 #define CLASS_LOWER 6
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175 "print:]",
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176 #define CLASS_PRINT 7
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177 "punct:]",
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178 #define CLASS_PUNCT 8
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179 "space:]",
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180 #define CLASS_SPACE 9
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181 "upper:]",
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182 #define CLASS_UPPER 10
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183 "xdigit:]",
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184 #define CLASS_XDIGIT 11
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185 "tab:]",
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186 #define CLASS_TAB 12
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187 "return:]",
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188 #define CLASS_RETURN 13
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189 "backspace:]",
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190 #define CLASS_BACKSPACE 14
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191 "escape:]",
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192 #define CLASS_ESCAPE 15
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193 "ident:]",
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194 #define CLASS_IDENT 16
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195 "keyword:]",
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196 #define CLASS_KEYWORD 17
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197 "fname:]",
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198 #define CLASS_FNAME 18
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199 };
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200 #define CLASS_NONE 99
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201 int i;
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202
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203 if ((*pp)[1] == ':')
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204 {
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205 for (i = 0; i < (int)(sizeof(class_names) / sizeof(*class_names)); ++i)
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206 if (STRNCMP(*pp + 2, class_names[i], STRLEN(class_names[i])) == 0)
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207 {
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208 *pp += STRLEN(class_names[i]) + 2;
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209 return i;
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210 }
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211 }
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212 return CLASS_NONE;
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213 }
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214
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215 /*
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216 * Specific version of character class functions.
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217 * Using a table to keep this fast.
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218 */
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219 static short class_tab[256];
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220
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221 #define RI_DIGIT 0x01
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222 #define RI_HEX 0x02
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223 #define RI_OCTAL 0x04
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224 #define RI_WORD 0x08
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225 #define RI_HEAD 0x10
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226 #define RI_ALPHA 0x20
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227 #define RI_LOWER 0x40
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228 #define RI_UPPER 0x80
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229 #define RI_WHITE 0x100
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230
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231 static void
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232 init_class_tab(void)
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233 {
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234 int i;
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235 static int done = FALSE;
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236
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237 if (done)
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238 return;
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239
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240 for (i = 0; i < 256; ++i)
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241 {
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242 if (i >= '0' && i <= '7')
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243 class_tab[i] = RI_DIGIT + RI_HEX + RI_OCTAL + RI_WORD;
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244 else if (i >= '8' && i <= '9')
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245 class_tab[i] = RI_DIGIT + RI_HEX + RI_WORD;
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246 else if (i >= 'a' && i <= 'f')
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247 class_tab[i] = RI_HEX + RI_WORD + RI_HEAD + RI_ALPHA + RI_LOWER;
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248 #ifdef EBCDIC
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249 else if ((i >= 'g' && i <= 'i') || (i >= 'j' && i <= 'r')
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250 || (i >= 's' && i <= 'z'))
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251 #else
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252 else if (i >= 'g' && i <= 'z')
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253 #endif
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254 class_tab[i] = RI_WORD + RI_HEAD + RI_ALPHA + RI_LOWER;
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255 else if (i >= 'A' && i <= 'F')
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256 class_tab[i] = RI_HEX + RI_WORD + RI_HEAD + RI_ALPHA + RI_UPPER;
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257 #ifdef EBCDIC
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258 else if ((i >= 'G' && i <= 'I') || ( i >= 'J' && i <= 'R')
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259 || (i >= 'S' && i <= 'Z'))
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260 #else
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261 else if (i >= 'G' && i <= 'Z')
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262 #endif
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263 class_tab[i] = RI_WORD + RI_HEAD + RI_ALPHA + RI_UPPER;
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264 else if (i == '_')
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265 class_tab[i] = RI_WORD + RI_HEAD;
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266 else
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267 class_tab[i] = 0;
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268 }
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269 class_tab[' '] |= RI_WHITE;
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270 class_tab['\t'] |= RI_WHITE;
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271 done = TRUE;
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272 }
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273
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274 #define ri_digit(c) (c < 0x100 && (class_tab[c] & RI_DIGIT))
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275 #define ri_hex(c) (c < 0x100 && (class_tab[c] & RI_HEX))
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276 #define ri_octal(c) (c < 0x100 && (class_tab[c] & RI_OCTAL))
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277 #define ri_word(c) (c < 0x100 && (class_tab[c] & RI_WORD))
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278 #define ri_head(c) (c < 0x100 && (class_tab[c] & RI_HEAD))
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279 #define ri_alpha(c) (c < 0x100 && (class_tab[c] & RI_ALPHA))
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280 #define ri_lower(c) (c < 0x100 && (class_tab[c] & RI_LOWER))
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281 #define ri_upper(c) (c < 0x100 && (class_tab[c] & RI_UPPER))
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282 #define ri_white(c) (c < 0x100 && (class_tab[c] & RI_WHITE))
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283
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284 // flags for regflags
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285 #define RF_ICASE 1 // ignore case
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286 #define RF_NOICASE 2 // don't ignore case
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287 #define RF_HASNL 4 // can match a NL
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288 #define RF_ICOMBINE 8 // ignore combining characters
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289 #define RF_LOOKBH 16 // uses "\@<=" or "\@<!"
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290
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291 /*
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292 * Global work variables for vim_regcomp().
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293 */
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294
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295 static char_u *regparse; // Input-scan pointer.
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296 static int regnpar; // () count.
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297 static int wants_nfa; // regex should use NFA engine
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298 #ifdef FEAT_SYN_HL
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299 static int regnzpar; // \z() count.
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300 static int re_has_z; // \z item detected
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301 #endif
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302 static unsigned regflags; // RF_ flags for prog
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303 #if defined(FEAT_SYN_HL) || defined(PROTO)
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304 static int had_eol; // TRUE when EOL found by vim_regcomp()
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305 #endif
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306
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307 static magic_T reg_magic; // magicness of the pattern
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308
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309 static int reg_string; // matching with a string instead of a buffer
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310 // line
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311 static int reg_strict; // "[abc" is illegal
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312
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313 /*
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314 * META contains all characters that may be magic, except '^' and '$'.
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315 */
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316
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317 #ifdef EBCDIC
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318 static char_u META[] = "%&()*+.123456789<=>?@ACDFHIKLMOPSUVWX[_acdfhiklmnopsuvwxz{|~";
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319 #else
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320 // META[] is used often enough to justify turning it into a table.
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321 static char_u META_flags[] = {
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322 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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323 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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324 // % & ( ) * + .
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325 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 0,
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326 // 1 2 3 4 5 6 7 8 9 < = > ?
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327 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1,
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328 // @ A C D F H I K L M O
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329 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1,
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330 // P S U V W X Z [ _
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331 1, 0, 0, 1, 0, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1,
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332 // a c d f h i k l m n o
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333 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1,
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334 // p s u v w x z { | ~
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335 1, 0, 0, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1
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336 };
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337 #endif
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338
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339 static int curchr; // currently parsed character
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340 // Previous character. Note: prevchr is sometimes -1 when we are not at the
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341 // start, eg in /[ ^I]^ the pattern was never found even if it existed,
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342 // because ^ was taken to be magic -- webb
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343 static int prevchr;
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344 static int prevprevchr; // previous-previous character
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345 static int nextchr; // used for ungetchr()
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346
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347 // arguments for reg()
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348 #define REG_NOPAREN 0 // toplevel reg()
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349 #define REG_PAREN 1 // \(\)
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350 #define REG_ZPAREN 2 // \z(\)
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351 #define REG_NPAREN 3 // \%(\)
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352
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353 typedef struct
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354 {
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355 char_u *regparse;
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356 int prevchr_len;
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357 int curchr;
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358 int prevchr;
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359 int prevprevchr;
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360 int nextchr;
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361 int at_start;
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362 int prev_at_start;
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363 int regnpar;
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364 } parse_state_T;
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365
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366 static void initchr(char_u *);
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367 static int getchr(void);
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368 static void skipchr_keepstart(void);
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369 static int peekchr(void);
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370 static void skipchr(void);
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371 static void ungetchr(void);
12752
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372 static long gethexchrs(int maxinputlen);
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373 static long getoctchrs(void);
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374 static long getdecchrs(void);
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375 static int coll_get_char(void);
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376 static int prog_magic_wrong(void);
18019
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377 static int cstrncmp(char_u *s1, char_u *s2, int *n);
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378 static char_u *cstrchr(char_u *, int);
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diff changeset
379 static int re_mult_next(char *what);
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380 static int reg_iswordc(int);
23471
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns
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381 #ifdef FEAT_EVAL
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382 static void report_re_switch(char_u *pat);
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383 #endif
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384
4444
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385 static regengine_T bt_regengine;
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386 static regengine_T nfa_regengine;
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387
7
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388 /*
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389 * Return TRUE if compiled regular expression "prog" can match a line break.
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390 */
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391 int
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392 re_multiline(regprog_T *prog)
7
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393 {
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394 return (prog->regflags & RF_HASNL);
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395 }
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396
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397 /*
167
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398 * Check for an equivalence class name "[=a=]". "pp" points to the '['.
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399 * Returns a character representing the class. Zero means that no item was
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400 * recognized. Otherwise "pp" is advanced to after the item.
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401 */
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402 static int
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403 get_equi_class(char_u **pp)
167
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404 {
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405 int c;
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406 int l = 1;
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407 char_u *p = *pp;
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diff changeset
408
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409 if (p[1] == '=' && p[2] != NUL)
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410 {
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411 if (has_mbyte)
474
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412 l = (*mb_ptr2len)(p + 2);
167
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413 if (p[l + 2] == '=' && p[l + 3] == ']')
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414 {
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diff changeset
415 if (has_mbyte)
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416 c = mb_ptr2char(p + 2);
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417 else
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418 c = p[2];
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419 *pp += l + 4;
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420 return c;
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421 }
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422 }
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423 return 0;
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diff changeset
424 }
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diff changeset
425
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426 #ifdef EBCDIC
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427 /*
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428 * Table for equivalence class "c". (IBM-1047)
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429 */
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diff changeset
430 static char *EQUIVAL_CLASS_C[16] = {
2247
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431 "A\x62\x63\x64\x65\x66\x67",
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diff changeset
432 "C\x68",
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diff changeset
433 "E\x71\x72\x73\x74",
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parents: 2173
diff changeset
434 "I\x75\x76\x77\x78",
c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
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parents: 2173
diff changeset
435 "N\x69",
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diff changeset
436 "O\xEB\xEC\xED\xEE\xEF\x80",
2247
c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents: 2173
diff changeset
437 "U\xFB\xFC\xFD\xFE",
c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents: 2173
diff changeset
438 "Y\xBA",
c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents: 2173
diff changeset
439 "a\x42\x43\x44\x45\x46\x47",
c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents: 2173
diff changeset
440 "c\x48",
c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents: 2173
diff changeset
441 "e\x51\x52\x53\x54",
c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents: 2173
diff changeset
442 "i\x55\x56\x57\x58",
c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents: 2173
diff changeset
443 "n\x49",
8825
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Christian Brabandt <cb@256bit.org>
parents: 8212
diff changeset
444 "o\xCB\xCC\xCD\xCE\xCF\x70",
2247
c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents: 2173
diff changeset
445 "u\xDB\xDC\xDD\xDE",
c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents: 2173
diff changeset
446 "y\x8D\xDF",
c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
Bram Moolenaar <bram@vim.org>
parents: 2173
diff changeset
447 };
c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
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parents: 2173
diff changeset
448 #endif
c40cd9aad546 Add patch to improve support of z/OS (OS/390). (Ralf Schandl)
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diff changeset
449
167
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diff changeset
450 /*
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451 * Check for a collating element "[.a.]". "pp" points to the '['.
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diff changeset
452 * Returns a character. Zero means that no item was recognized. Otherwise
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diff changeset
453 * "pp" is advanced to after the item.
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diff changeset
454 * Currently only single characters are recognized!
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diff changeset
455 */
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diff changeset
456 static int
7833
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parents: 7807
diff changeset
457 get_coll_element(char_u **pp)
167
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diff changeset
458 {
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diff changeset
459 int c;
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diff changeset
460 int l = 1;
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parents: 153
diff changeset
461 char_u *p = *pp;
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diff changeset
462
15860
9cd9bf2897de patch 8.1.0937: invalid memory access in search pattern
Bram Moolenaar <Bram@vim.org>
parents: 15856
diff changeset
463 if (p[0] != NUL && p[1] == '.' && p[2] != NUL)
167
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parents: 153
diff changeset
464 {
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diff changeset
465 if (has_mbyte)
474
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diff changeset
466 l = (*mb_ptr2len)(p + 2);
167
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467 if (p[l + 2] == '.' && p[l + 3] == ']')
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diff changeset
468 {
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
469 if (has_mbyte)
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
470 c = mb_ptr2char(p + 2);
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
471 else
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
472 c = p[2];
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
473 *pp += l + 4;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
474 return c;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
475 }
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
476 }
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
477 return 0;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
478 }
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
479
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
480 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
481 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
482
a62695305e03 updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents: 4732
diff changeset
483 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
484 get_cpo_flags(void)
4744
a62695305e03 updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents: 4732
diff changeset
485 {
a62695305e03 updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents: 4732
diff changeset
486 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
487 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
488 }
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
489
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
490 /*
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
491 * Skip over a "[]" range.
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
492 * "p" must point to the character after the '['.
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
493 * The returned pointer is on the matching ']', or the terminating NUL.
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
494 */
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
495 static char_u *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
496 skip_anyof(char_u *p)
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
497 {
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
498 int l;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
499
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
500 if (*p == '^') // Complement of range.
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
501 ++p;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
502 if (*p == ']' || *p == '-')
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
503 ++p;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
504 while (*p != NUL && *p != ']')
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
505 {
474
a5fcf36ef512 updated for version 7.0127
vimboss
parents: 418
diff changeset
506 if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1)
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
507 p += l;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
508 else
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
509 if (*p == '-')
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
510 {
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
511 ++p;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
512 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
513 MB_PTR_ADV(p);
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
514 }
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
515 else if (*p == '\\'
4744
a62695305e03 updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents: 4732
diff changeset
516 && !reg_cpo_bsl
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
517 && (vim_strchr(REGEXP_INRANGE, p[1]) != NULL
4744
a62695305e03 updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents: 4732
diff changeset
518 || (!reg_cpo_lit && vim_strchr(REGEXP_ABBR, p[1]) != NULL)))
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
519 p += 2;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
520 else if (*p == '[')
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
521 {
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
522 if (get_char_class(&p) == CLASS_NONE
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
523 && get_equi_class(&p) == 0
6830
70fdcdaf96a6 patch 7.4.736
Bram Moolenaar <bram@vim.org>
parents: 6785
diff changeset
524 && get_coll_element(&p) == 0
70fdcdaf96a6 patch 7.4.736
Bram Moolenaar <bram@vim.org>
parents: 6785
diff changeset
525 && *p != NUL)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
526 ++p; // it is not a class name and not NUL
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
527 }
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
528 else
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
529 ++p;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
530 }
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
531
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
532 return p;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
533 }
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
534
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
535 /*
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
536 * 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
537 * Stop at end of "startp" or where "delim" is found ('/', '?', etc).
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
538 * Take care of characters with a backslash in front of it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
539 * Skip strings inside [ and ].
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
540 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
541 char_u *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
542 skip_regexp(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
543 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
544 int delim,
19892
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
545 int magic)
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
546 {
23505
bb29b09902d5 patch 8.2.2295: incsearch does not detect empty pattern properly
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
547 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
548 }
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
549
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
550 /*
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
551 * 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
552 * return NULL.
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
553 */
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
554 char_u *
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
555 skip_regexp_err(
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
556 char_u *startp,
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
557 int delim,
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
558 int magic)
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
559 {
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
560 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
561
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
562 if (*p != delim)
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
563 {
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
564 semsg(_("E654: missing delimiter after search pattern: %s"), startp);
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
565 return NULL;
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
566 }
2c23053c654a patch 8.2.0612: Vim9: no check for space before #comment
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
567 return p;
19892
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
568 }
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
569
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
570 /*
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
571 * 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
572 * 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
573 * 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
574 * is changed in-place.
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
575 * 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
576 * 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
577 */
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
578 char_u *
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
579 skip_regexp_ex(
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
580 char_u *startp,
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
581 int dirc,
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
582 int magic,
19892
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
583 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
584 int *dropped,
bb29b09902d5 patch 8.2.2295: incsearch does not detect empty pattern properly
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
585 magic_T *magic_val)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
586 {
23505
bb29b09902d5 patch 8.2.2295: incsearch does not detect empty pattern properly
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
587 magic_T mymagic;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
588 char_u *p = startp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
589
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
590 if (magic)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
591 mymagic = MAGIC_ON;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
592 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
593 mymagic = MAGIC_OFF;
4744
a62695305e03 updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents: 4732
diff changeset
594 get_cpo_flags();
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
595
11127
506f5d8b7d8b patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 11121
diff changeset
596 for (; p[0] != NUL; MB_PTR_ADV(p))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
597 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
598 if (p[0] == dirc) // found end of regexp
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
599 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
600 if ((p[0] == '[' && mymagic >= MAGIC_ON)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
601 || (p[0] == '\\' && p[1] == '[' && mymagic <= MAGIC_OFF))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
602 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
603 p = skip_anyof(p + 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
604 if (p[0] == NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
605 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
606 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
607 else if (p[0] == '\\' && p[1] != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
608 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
609 if (dirc == '?' && newp != NULL && p[1] == '?')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
610 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
611 // change "\?" to "?", make a copy first.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
612 if (*newp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
613 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
614 *newp = vim_strsave(startp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
615 if (*newp != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
616 p = *newp + (p - startp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
617 }
19892
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
618 if (dropped != NULL)
5feb426d2ea1 patch 8.2.0502: Vim9: some code is not tested
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
619 ++*dropped;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
620 if (*newp != NULL)
1621
82b5078be2dd updated for version 7.2a
vimboss
parents: 1602
diff changeset
621 STRMOVE(p, p + 1);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
622 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
623 ++p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
624 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
625 else
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
626 ++p; // skip next character
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
627 if (*p == 'v')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
628 mymagic = MAGIC_ALL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
629 else if (*p == 'V')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
630 mymagic = MAGIC_NONE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
631 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
632 }
23505
bb29b09902d5 patch 8.2.2295: incsearch does not detect empty pattern properly
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
633 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
634 *magic_val = mymagic;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
635 return p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
636 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
637
11525
14b6b79d685b patch 8.0.0645: no error for illegal back reference in NFA engine
Christian Brabandt <cb@256bit.org>
parents: 11521
diff changeset
638 /*
18019
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
639 * Functions for getting characters from the regexp input.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
640 */
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
641 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
642 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
643 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
644
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
645 /*
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
646 * Start parsing at "str".
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
647 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
648 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
649 initchr(char_u *str)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
650 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
651 regparse = str;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
652 prevchr_len = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
653 curchr = prevprevchr = prevchr = nextchr = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
654 at_start = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
655 prev_at_start = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
656 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
657
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
658 /*
4679
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
659 * 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
660 * starts in the same state again.
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
661 */
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
662 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
663 save_parse_state(parse_state_T *ps)
4679
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
664 {
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
665 ps->regparse = regparse;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
666 ps->prevchr_len = prevchr_len;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
667 ps->curchr = curchr;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
668 ps->prevchr = prevchr;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
669 ps->prevprevchr = prevprevchr;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
670 ps->nextchr = nextchr;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
671 ps->at_start = at_start;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
672 ps->prev_at_start = prev_at_start;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
673 ps->regnpar = regnpar;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
674 }
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
675
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
676 /*
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
677 * Restore a previously saved parse state.
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
678 */
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
679 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
680 restore_parse_state(parse_state_T *ps)
4679
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
681 {
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
682 regparse = ps->regparse;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
683 prevchr_len = ps->prevchr_len;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
684 curchr = ps->curchr;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
685 prevchr = ps->prevchr;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
686 prevprevchr = ps->prevprevchr;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
687 nextchr = ps->nextchr;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
688 at_start = ps->at_start;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
689 prev_at_start = ps->prev_at_start;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
690 regnpar = ps->regnpar;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
691 }
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
692
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
693
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
694 /*
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
695 * Get the next character without advancing.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
696 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
697 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
698 peekchr(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
699 {
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
700 static int after_slash = FALSE;
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
701
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
702 if (curchr == -1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
703 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
704 switch (curchr = regparse[0])
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
705 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
706 case '.':
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
707 case '[':
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
708 case '~':
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
709 // magic when 'magic' is on
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
710 if (reg_magic >= MAGIC_ON)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
711 curchr = Magic(curchr);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
712 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
713 case '(':
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
714 case ')':
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
715 case '{':
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
716 case '%':
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
717 case '+':
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
718 case '=':
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
719 case '?':
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
720 case '@':
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
721 case '!':
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
722 case '&':
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
723 case '|':
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
724 case '<':
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
725 case '>':
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
726 case '#': // future ext.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
727 case '"': // future ext.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
728 case '\'': // future ext.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
729 case ',': // future ext.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
730 case '-': // future ext.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
731 case ':': // future ext.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
732 case ';': // future ext.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
733 case '`': // future ext.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
734 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
735 // magic only after "\v"
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
736 if (reg_magic == MAGIC_ALL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
737 curchr = Magic(curchr);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
738 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
739 case '*':
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
740 // * 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
741 // 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
742 // "\(\*" is not magic, thus must be magic if "after_slash"
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
743 if (reg_magic >= MAGIC_ON
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
744 && !at_start
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
745 && !(prev_at_start && prevchr == Magic('^'))
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
746 && (after_slash
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
747 || (prevchr != Magic('(')
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
748 && prevchr != Magic('&')
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
749 && prevchr != Magic('|'))))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
750 curchr = Magic('*');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
751 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
752 case '^':
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
753 // '^' 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
754 // "\(", "\|", "\&' or "\n"
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
755 if (reg_magic >= MAGIC_OFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
756 && (at_start
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
757 || reg_magic == MAGIC_ALL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
758 || prevchr == Magic('(')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
759 || prevchr == Magic('|')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
760 || prevchr == Magic('&')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
761 || prevchr == Magic('n')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
762 || (no_Magic(prevchr) == '('
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
763 && prevprevchr == Magic('%'))))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
764 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
765 curchr = Magic('^');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
766 at_start = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
767 prev_at_start = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
768 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
769 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
770 case '$':
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
771 // '$' is only magic as the very last char and if it's in front of
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
772 // either "\|", "\)", "\&", or "\n"
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
773 if (reg_magic >= MAGIC_OFF)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
774 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
775 char_u *p = regparse + 1;
6041
761687c6808f updated for version 7.4.360
Bram Moolenaar <bram@vim.org>
parents: 5901
diff changeset
776 int is_magic_all = (reg_magic == MAGIC_ALL);
761687c6808f updated for version 7.4.360
Bram Moolenaar <bram@vim.org>
parents: 5901
diff changeset
777
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
778 // ignore \c \C \m \M \v \V and \Z after '$'
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
779 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
780 || p[1] == 'm' || p[1] == 'M'
761687c6808f updated for version 7.4.360
Bram Moolenaar <bram@vim.org>
parents: 5901
diff changeset
781 || 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
782 {
761687c6808f updated for version 7.4.360
Bram Moolenaar <bram@vim.org>
parents: 5901
diff changeset
783 if (p[1] == 'v')
761687c6808f updated for version 7.4.360
Bram Moolenaar <bram@vim.org>
parents: 5901
diff changeset
784 is_magic_all = TRUE;
761687c6808f updated for version 7.4.360
Bram Moolenaar <bram@vim.org>
parents: 5901
diff changeset
785 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
786 is_magic_all = FALSE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
787 p += 2;
6041
761687c6808f updated for version 7.4.360
Bram Moolenaar <bram@vim.org>
parents: 5901
diff changeset
788 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
789 if (p[0] == NUL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
790 || (p[0] == '\\'
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
791 && (p[1] == '|' || p[1] == '&' || p[1] == ')'
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
792 || p[1] == 'n'))
6041
761687c6808f updated for version 7.4.360
Bram Moolenaar <bram@vim.org>
parents: 5901
diff changeset
793 || (is_magic_all
761687c6808f updated for version 7.4.360
Bram Moolenaar <bram@vim.org>
parents: 5901
diff changeset
794 && (p[0] == '|' || p[0] == '&' || p[0] == ')'))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
795 || reg_magic == MAGIC_ALL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
796 curchr = Magic('$');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
797 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
798 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
799 case '\\':
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
800 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
801 int c = regparse[1];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
802
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
803 if (c == NUL)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
804 curchr = '\\'; // trailing '\'
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
805 else if (
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
806 #ifdef EBCDIC
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
807 vim_strchr(META, c)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
808 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
809 c <= '~' && META_flags[c]
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
810 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
811 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
812 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
813 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
814 * META contains everything that may be magic sometimes,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
815 * except ^ and $ ("\^" and "\$" are only magic after
6830
70fdcdaf96a6 patch 7.4.736
Bram Moolenaar <bram@vim.org>
parents: 6785
diff changeset
816 * "\V"). We now fetch the next character and toggle its
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
817 * magicness. Therefore, \ is so meta-magic that it is
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
818 * not in META.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
819 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
820 curchr = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
821 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
822 at_start = FALSE; // be able to say "/\*ptr"
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
823 ++regparse;
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
824 ++after_slash;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
825 peekchr();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
826 --regparse;
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
827 --after_slash;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
828 curchr = toggle_Magic(curchr);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
829 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
830 else if (vim_strchr(REGEXP_ABBR, c))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
831 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
832 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
833 * Handle abbreviations, like "\t" for TAB -- webb
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
834 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
835 curchr = backslash_trans(c);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
836 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
837 else if (reg_magic == MAGIC_NONE && (c == '$' || c == '^'))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
838 curchr = toggle_Magic(c);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
839 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
840 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
841 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
842 * Next character can never be (made) magic?
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
843 * Then backslashing it won't do anything.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
844 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
845 if (has_mbyte)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
846 curchr = (*mb_ptr2char)(regparse + 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
847 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
848 curchr = c;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
849 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
850 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
851 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
852
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
853 default:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
854 if (has_mbyte)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
855 curchr = (*mb_ptr2char)(regparse);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
856 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
857 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
858
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
859 return curchr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
860 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
861
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
862 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
863 * Eat one lexed character. Do this in a way that we can undo it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
864 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
865 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
866 skipchr(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
867 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
868 // peekchr() eats a backslash, do the same here
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
869 if (*regparse == '\\')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
870 prevchr_len = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
871 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
872 prevchr_len = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
873 if (regparse[prevchr_len] != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
874 {
714
0f9f4761ad9c updated for version 7.0216
vimboss
parents: 692
diff changeset
875 if (enc_utf8)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
876 // exclude composing chars that mb_ptr2len does include
1449
799c1db62b42 updated for version 7.1-164
vimboss
parents: 1347
diff changeset
877 prevchr_len += utf_ptr2len(regparse + prevchr_len);
714
0f9f4761ad9c updated for version 7.0216
vimboss
parents: 692
diff changeset
878 else if (has_mbyte)
474
a5fcf36ef512 updated for version 7.0127
vimboss
parents: 418
diff changeset
879 prevchr_len += (*mb_ptr2len)(regparse + prevchr_len);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
880 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
881 ++prevchr_len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
882 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
883 regparse += prevchr_len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
884 prev_at_start = at_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
885 at_start = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
886 prevprevchr = prevchr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
887 prevchr = curchr;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
888 curchr = nextchr; // use previously unget char, or -1
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
889 nextchr = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
890 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
891
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
892 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
893 * Skip a character while keeping the value of prev_at_start for at_start.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
894 * prevchr and prevprevchr are also kept.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
895 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
896 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
897 skipchr_keepstart(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
898 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
899 int as = prev_at_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
900 int pr = prevchr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
901 int prpr = prevprevchr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
902
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
903 skipchr();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
904 at_start = as;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
905 prevchr = pr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
906 prevprevchr = prpr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
907 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
908
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
909 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
910 * 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
911 * therefore we need a lexical analyzer.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
912 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
913 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
914 getchr(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
915 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
916 int chr = peekchr();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
917
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
918 skipchr();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
919 return chr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
920 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
921
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
922 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
923 * put character back. Works only once!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
924 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
925 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
926 ungetchr(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
927 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
928 nextchr = curchr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
929 curchr = prevchr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
930 prevchr = prevprevchr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
931 at_start = prev_at_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
932 prev_at_start = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
933
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
934 // 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
935 // getchr().
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
936 regparse -= prevchr_len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
937 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
938
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
939 /*
29
ac33b7c03fac updated for version 7.0018
vimboss
parents: 24
diff changeset
940 * Get and return the value of the hex string at the current position.
ac33b7c03fac updated for version 7.0018
vimboss
parents: 24
diff changeset
941 * Return -1 if there is no valid hex number.
ac33b7c03fac updated for version 7.0018
vimboss
parents: 24
diff changeset
942 * The position is updated:
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
943 * blahblah\%x20asdf
856
8cd729851562 updated for version 7.0g
vimboss
parents: 840
diff changeset
944 * before-^ ^-after
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
945 * The parameter controls the maximum number of input characters. This will be
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
946 * 2 when reading a \%x20 sequence and 4 when reading a \%u20AC sequence.
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
947 */
12752
09c856605191 patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents: 12674
diff changeset
948 static long
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
949 gethexchrs(int maxinputlen)
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
950 {
12752
09c856605191 patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents: 12674
diff changeset
951 long_u nr = 0;
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
952 int c;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
953 int i;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
954
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
955 for (i = 0; i < maxinputlen; ++i)
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
956 {
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
957 c = regparse[0];
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
958 if (!vim_isxdigit(c))
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
959 break;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
960 nr <<= 4;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
961 nr |= hex2nr(c);
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
962 ++regparse;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
963 }
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
964
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
965 if (i == 0)
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
966 return -1;
12752
09c856605191 patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents: 12674
diff changeset
967 return (long)nr;
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
968 }
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
969
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
970 /*
4579
7a2be4a39423 updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents: 4505
diff changeset
971 * Get and return the value of the decimal string immediately after the
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
972 * current position. Return -1 for invalid. Consumes all digits.
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
973 */
12752
09c856605191 patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents: 12674
diff changeset
974 static long
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
975 getdecchrs(void)
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
976 {
12752
09c856605191 patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents: 12674
diff changeset
977 long_u nr = 0;
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
978 int c;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
979 int i;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
980
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
981 for (i = 0; ; ++i)
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
982 {
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
983 c = regparse[0];
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
984 if (c < '0' || c > '9')
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
985 break;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
986 nr *= 10;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
987 nr += c - '0';
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
988 ++regparse;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
989 curchr = -1; // no longer valid
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
990 }
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
991
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
992 if (i == 0)
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
993 return -1;
12752
09c856605191 patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents: 12674
diff changeset
994 return (long)nr;
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
995 }
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
996
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
997 /*
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
998 * get and return the value of the octal string immediately after the current
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
999 * 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
1000 * numbers > 377 correctly (for example, 400 is treated as 40) and doesn't
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
1001 * treat 8 or 9 as recognised characters. Position is updated:
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
1002 * blahblah\%o210asdf
856
8cd729851562 updated for version 7.0g
vimboss
parents: 840
diff changeset
1003 * before-^ ^-after
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
1004 */
12752
09c856605191 patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents: 12674
diff changeset
1005 static long
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1006 getoctchrs(void)
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
1007 {
12752
09c856605191 patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents: 12674
diff changeset
1008 long_u nr = 0;
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
1009 int c;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
1010 int i;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
1011
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
1012 for (i = 0; i < 3 && nr < 040; ++i)
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
1013 {
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
1014 c = regparse[0];
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
1015 if (c < '0' || c > '7')
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
1016 break;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
1017 nr <<= 3;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
1018 nr |= hex2nr(c);
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
1019 ++regparse;
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
1020 }
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
1021
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
1022 if (i == 0)
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
1023 return -1;
12752
09c856605191 patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents: 12674
diff changeset
1024 return (long)nr;
24
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
1025 }
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
1026
8ff7fd162d3c updated for version 7.0016
vimboss
parents: 7
diff changeset
1027 /*
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1028 * read_limits - Read two integers to be taken as a minimum and maximum.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1029 * If the first character is '-', then the range is reversed.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1030 * Should end with 'end'. If minval is missing, zero is default, if maxval is
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1031 * missing, a very big number is the default.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1032 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1033 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1034 read_limits(long *minval, long *maxval)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1035 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1036 int reverse = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1037 char_u *first_char;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1038 long tmp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1039
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1040 if (*regparse == '-')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1041 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1042 // Starts with '-', so reverse the range later
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1043 regparse++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1044 reverse = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1045 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1046 first_char = regparse;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1047 *minval = getdigits(&regparse);
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1048 if (*regparse == ',') // There is a comma
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1049 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1050 if (vim_isdigit(*++regparse))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1051 *maxval = getdigits(&regparse);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1052 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1053 *maxval = MAX_LIMIT;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1054 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1055 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
1056 *maxval = *minval; // It was \{n} or \{-n}
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1057 else
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1058 *maxval = MAX_LIMIT; // It was \{} or \{-}
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1059 if (*regparse == '\\')
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1060 regparse++; // Allow either \{...} or \{...\}
167
c93c9cad9618 updated for version 7.0051
vimboss
parents: 153
diff changeset
1061 if (*regparse != '}')
15480
bd12ace1bab2 patch 8.1.0748: using sprintf() instead of semsg()
Bram Moolenaar <Bram@vim.org>
parents: 15470
diff changeset
1062 EMSG2_RET_FAIL(_("E554: Syntax error in %s{...}"),
bd12ace1bab2 patch 8.1.0748: using sprintf() instead of semsg()
Bram Moolenaar <Bram@vim.org>
parents: 15470
diff changeset
1063 reg_magic == MAGIC_ALL);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1064
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1065 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1066 * 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
1067 * order otherwise.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1068 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1069 if ((!reverse && *minval > *maxval) || (reverse && *minval < *maxval))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1070 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1071 tmp = *minval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1072 *minval = *maxval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1073 *maxval = tmp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1074 }
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1075 skipchr(); // let's be friends with the lexer again
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1076 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1077 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1078
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1079 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1080 * vim_regexec and friends
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1081 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1082
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1083 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1084 * Global work variables for vim_regexec().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1085 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1086
7805
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 7009
diff changeset
1087 static void cleanup_subexpr(void);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1088 #ifdef FEAT_SYN_HL
7805
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 7009
diff changeset
1089 static void cleanup_zsubexpr(void);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 7009
diff changeset
1090 #endif
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 7009
diff changeset
1091 static void reg_nextline(void);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 7009
diff changeset
1092 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
1093
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1094 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1095 * Sometimes need to save a copy of a line. Since alloc()/free() is very
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1096 * 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
1097 * it's too small. It's freed in bt_regexec_both() when finished.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1098 */
1468
200b706675a5 updated for version 7.1-183
vimboss
parents: 1458
diff changeset
1099 static char_u *reg_tofree = NULL;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1100 static unsigned reg_tofreelen;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1101
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1102 /*
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1103 * Structure used to store the execution state of the regex engine.
1209
070f2ac50cf8 updated for version 7.1b
vimboss
parents: 1148
diff changeset
1104 * 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
1105 * done:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1106 * single-line multi-line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1107 * reg_match &regmatch_T NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1108 * reg_mmatch NULL &regmmatch_T
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1109 * reg_startp reg_match->startp <invalid>
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1110 * reg_endp reg_match->endp <invalid>
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1111 * reg_startpos <invalid> reg_mmatch->startpos
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1112 * reg_endpos <invalid> reg_mmatch->endpos
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1113 * 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
1114 * reg_buf curbuf buffer in which to search
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1115 * reg_firstlnum <invalid> first line in which to search
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1116 * reg_maxline 0 last line nr
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1117 * reg_line_lbr FALSE or TRUE FALSE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1118 */
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1119 typedef struct {
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1120 regmatch_T *reg_match;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1121 regmmatch_T *reg_mmatch;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1122 char_u **reg_startp;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1123 char_u **reg_endp;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1124 lpos_T *reg_startpos;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1125 lpos_T *reg_endpos;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1126 win_T *reg_win;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1127 buf_T *reg_buf;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1128 linenr_T reg_firstlnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1129 linenr_T reg_maxline;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1130 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
1131
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1132 // 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
1133 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
1134 char_u *line; // start of current line
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1135 char_u *input; // current input, points into "regline"
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1136
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1137 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
1138 #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
1139 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
1140 // cleared
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1141 #endif
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1142
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1143 // 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
1144 // 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
1145 // 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
1146 int reg_ic;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1147
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1148 // 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
1149 // 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
1150 int reg_icombine;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1151
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1152 // 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
1153 // there is no maximum.
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1154 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
1155
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1156 // 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
1157 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
1158 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
1159 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
1160 // 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
1161 // (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
1162 // 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
1163 // 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
1164 // all the states.
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1165 int nfa_listid;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1166 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
1167
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1168 #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
1169 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
1170 #endif
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1171 } regexec_T;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1172
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1173 static regexec_T rex;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1174 static int rex_in_use = FALSE;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1175
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1176 /*
15709
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
1177 * 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
1178 * "reg_buf" buffer.
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
1179 */
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
1180 static int
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
1181 reg_iswordc(int c)
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
1182 {
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
1183 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
1184 }
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
1185
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
1186 /*
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1187 * Get pointer to the line "lnum", which is relative to "reg_firstlnum".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1188 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1189 static char_u *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1190 reg_getline(linenr_T lnum)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1191 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1192 // 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
1193 // 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
1194 if (rex.reg_firstlnum + lnum < 1)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1195 return NULL;
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1196 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
1197 // Must have matched the "\n" in the last line.
481
66080ac5dab7 updated for version 7.0130
vimboss
parents: 474
diff changeset
1198 return (char_u *)"";
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1199 return ml_get_buf(rex.reg_buf, rex.reg_firstlnum + lnum, FALSE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1200 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1201
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1202 #ifdef FEAT_SYN_HL
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1203 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
1204 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
1205 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
1206 static lpos_T reg_endzpos[NSUBEXP]; // idem, end pos
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1207 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1208
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1209 // 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
1210 #define REG_MULTI (rex.reg_match == NULL)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
1211
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1212 #ifdef FEAT_SYN_HL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1213 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1214 * Create a new extmatch and mark it as referenced once.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1215 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1216 static reg_extmatch_T *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1217 make_extmatch(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1218 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1219 reg_extmatch_T *em;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1220
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
1221 em = ALLOC_CLEAR_ONE(reg_extmatch_T);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1222 if (em != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1223 em->refcnt = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1224 return em;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1225 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1226
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1227 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1228 * Add a reference to an extmatch.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1229 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1230 reg_extmatch_T *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1231 ref_extmatch(reg_extmatch_T *em)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1232 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1233 if (em != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1234 em->refcnt++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1235 return em;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1236 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1237
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1238 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1239 * Remove a reference to an extmatch. If there are no references left, free
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1240 * the info.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1241 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1242 void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1243 unref_extmatch(reg_extmatch_T *em)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1244 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1245 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1246
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1247 if (em != NULL && --em->refcnt <= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1248 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1249 for (i = 0; i < NSUBEXP; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1250 vim_free(em->matches[i]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1251 vim_free(em);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1252 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1253 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1254 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1255
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1256 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1257 * Get class of previous character.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1258 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1259 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1260 reg_prev_class(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1261 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1262 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
1263 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
1264 - (*mb_head_off)(rex.line, rex.input - 1), rex.reg_buf);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1265 return -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1266 }
5735
50dbef5e774a updated for version 7.4.212
Bram Moolenaar <bram@vim.org>
parents: 5504
diff changeset
1267
4730
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1268 /*
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1269 * 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
1270 */
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1271 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1272 reg_match_visual(void)
4730
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1273 {
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1274 pos_T top, bot;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1275 linenr_T lnum;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1276 colnr_T col;
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1277 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
1278 int mode;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1279 colnr_T start, end;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1280 colnr_T start2, end2;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1281 colnr_T cols;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1282
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1283 // Check if the buffer is the current buffer.
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1284 if (rex.reg_buf != curbuf || VIsual.lnum == 0)
4730
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1285 return FALSE;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1286
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1287 if (VIsual_active)
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1288 {
11121
778c10516955 patch 8.0.0448: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 10359
diff changeset
1289 if (LT_POS(VIsual, wp->w_cursor))
4730
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1290 {
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1291 top = VIsual;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1292 bot = wp->w_cursor;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1293 }
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1294 else
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1295 {
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1296 top = wp->w_cursor;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1297 bot = VIsual;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1298 }
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1299 mode = VIsual_mode;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1300 }
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1301 else
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1302 {
11121
778c10516955 patch 8.0.0448: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 10359
diff changeset
1303 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
1304 {
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1305 top = curbuf->b_visual.vi_start;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1306 bot = curbuf->b_visual.vi_end;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1307 }
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1308 else
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1309 {
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1310 top = curbuf->b_visual.vi_end;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1311 bot = curbuf->b_visual.vi_start;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1312 }
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1313 mode = curbuf->b_visual.vi_mode;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1314 }
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1315 lnum = rex.lnum + rex.reg_firstlnum;
4730
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1316 if (lnum < top.lnum || lnum > bot.lnum)
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1317 return FALSE;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1318
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1319 if (mode == 'v')
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1320 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1321 col = (colnr_T)(rex.input - rex.line);
4730
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1322 if ((lnum == top.lnum && col < top.col)
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1323 || (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
1324 return FALSE;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1325 }
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1326 else if (mode == Ctrl_V)
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1327 {
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1328 getvvcol(wp, &top, &start, NULL, &end);
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1329 getvvcol(wp, &bot, &start2, NULL, &end2);
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1330 if (start2 < start)
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1331 start = start2;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1332 if (end2 > end)
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1333 end = end2;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1334 if (top.col == MAXCOL || bot.col == MAXCOL)
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1335 end = MAXCOL;
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1336 cols = win_linetabsize(wp, rex.line, (colnr_T)(rex.input - rex.line));
4730
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1337 if (cols < start || cols > end - (*p_sel == 'e'))
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1338 return FALSE;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1339 }
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1340 return TRUE;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1341 }
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
1342
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1343 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1344 * Check the regexp program for its magic number.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1345 * Return TRUE if it's wrong.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1346 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1347 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1348 prog_magic_wrong(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1349 {
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
1350 regprog_T *prog;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
1351
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1352 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
1353 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
1354 // 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
1355 return FALSE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
1356
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
1357 if (UCHARAT(((bt_regprog_T *)prog)->program) != REGMAGIC)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1358 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15339
diff changeset
1359 emsg(_(e_re_corr));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1360 return TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1361 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1362 return FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1363 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1364
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1365 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1366 * Cleanup the subexpressions, if this wasn't done yet.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1367 * This construction is used to clear the subexpressions only when they are
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1368 * used (to increase speed).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1369 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1370 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1371 cleanup_subexpr(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1372 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1373 if (rex.need_clear_subexpr)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1374 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1375 if (REG_MULTI)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1376 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1377 // 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
1378 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
1379 vim_memset(rex.reg_endpos, 0xff, sizeof(lpos_T) * NSUBEXP);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1380 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1381 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1382 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1383 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
1384 vim_memset(rex.reg_endp, 0, sizeof(char_u *) * NSUBEXP);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1385 }
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1386 rex.need_clear_subexpr = FALSE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1387 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1388 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1389
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1390 #ifdef FEAT_SYN_HL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1391 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1392 cleanup_zsubexpr(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1393 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1394 if (rex.need_clear_zsubexpr)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1395 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1396 if (REG_MULTI)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1397 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1398 // Use 0xff to set lnum to -1
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1399 vim_memset(reg_startzpos, 0xff, sizeof(lpos_T) * NSUBEXP);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1400 vim_memset(reg_endzpos, 0xff, sizeof(lpos_T) * NSUBEXP);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1401 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1402 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1403 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1404 vim_memset(reg_startzp, 0, sizeof(char_u *) * NSUBEXP);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1405 vim_memset(reg_endzp, 0, sizeof(char_u *) * NSUBEXP);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1406 }
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1407 rex.need_clear_zsubexpr = FALSE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1408 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1409 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1410 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1411
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1412 /*
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1413 * Advance rex.lnum, rex.line and rex.input to the next line.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1414 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1415 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1416 reg_nextline(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1417 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1418 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
1419 rex.input = rex.line;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1420 fast_breakcheck();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1421 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1422
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1423 /*
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1424 * Check whether a backreference matches.
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1425 * 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
1426 * 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
1427 * last line.
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1428 */
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1429 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1430 match_with_backref(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1431 linenr_T start_lnum,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1432 colnr_T start_col,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1433 linenr_T end_lnum,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1434 colnr_T end_col,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1435 int *bytelen)
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1436 {
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1437 linenr_T clnum = start_lnum;
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1438 colnr_T ccol = start_col;
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1439 int len;
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1440 char_u *p;
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1441
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1442 if (bytelen != NULL)
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1443 *bytelen = 0;
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1444 for (;;)
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1445 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1446 // 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
1447 // Slow!
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1448 if (rex.line != reg_tofree)
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1449 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1450 len = (int)STRLEN(rex.line);
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1451 if (reg_tofree == NULL || len >= (int)reg_tofreelen)
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1452 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1453 len += 50; // get some extra
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1454 vim_free(reg_tofree);
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1455 reg_tofree = alloc(len);
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1456 if (reg_tofree == NULL)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1457 return RA_FAIL; // out of memory!
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1458 reg_tofreelen = len;
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1459 }
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1460 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
1461 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
1462 rex.line = reg_tofree;
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1463 }
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1464
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1465 // Get the line to compare with.
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1466 p = reg_getline(clnum);
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1467 if (clnum == end_lnum)
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1468 len = end_col - ccol;
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1469 else
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1470 len = (int)STRLEN(p + ccol);
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1471
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
1472 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
1473 return RA_NOMATCH; // doesn't match
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1474 if (bytelen != NULL)
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1475 *bytelen += len;
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1476 if (clnum == end_lnum)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1477 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
1478 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
1479 return RA_NOMATCH; // text too short
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1480
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1481 // Advance to next line.
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1482 reg_nextline();
5504
ec5d11403c19 updated for version 7.4.101
Bram Moolenaar <bram@vim.org>
parents: 5353
diff changeset
1483 if (bytelen != NULL)
ec5d11403c19 updated for version 7.4.101
Bram Moolenaar <bram@vim.org>
parents: 5353
diff changeset
1484 *bytelen = 0;
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1485 ++clnum;
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1486 ccol = 0;
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1487 if (got_int)
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1488 return RA_FAIL;
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1489 }
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1490
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1491 // 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
1492 // that should not matter.
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1493 return RA_MATCH;
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
1494 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1495
6203
8515b42f939c updated for version 7.4.437
Bram Moolenaar <bram@vim.org>
parents: 6041
diff changeset
1496 /*
8515b42f939c updated for version 7.4.437
Bram Moolenaar <bram@vim.org>
parents: 6041
diff changeset
1497 * 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
1498 */
8515b42f939c updated for version 7.4.437
Bram Moolenaar <bram@vim.org>
parents: 6041
diff changeset
1499 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1500 re_mult_next(char *what)
6203
8515b42f939c updated for version 7.4.437
Bram Moolenaar <bram@vim.org>
parents: 6041
diff changeset
1501 {
8515b42f939c updated for version 7.4.437
Bram Moolenaar <bram@vim.org>
parents: 6041
diff changeset
1502 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
1503 {
bd12ace1bab2 patch 8.1.0748: using sprintf() instead of semsg()
Bram Moolenaar <Bram@vim.org>
parents: 15470
diff changeset
1504 semsg(_("E888: (NFA regexp) cannot repeat %s"), what);
bd12ace1bab2 patch 8.1.0748: using sprintf() instead of semsg()
Bram Moolenaar <Bram@vim.org>
parents: 15470
diff changeset
1505 rc_did_emsg = TRUE;
bd12ace1bab2 patch 8.1.0748: using sprintf() instead of semsg()
Bram Moolenaar <Bram@vim.org>
parents: 15470
diff changeset
1506 return FAIL;
bd12ace1bab2 patch 8.1.0748: using sprintf() instead of semsg()
Bram Moolenaar <Bram@vim.org>
parents: 15470
diff changeset
1507 }
6203
8515b42f939c updated for version 7.4.437
Bram Moolenaar <bram@vim.org>
parents: 6041
diff changeset
1508 return OK;
8515b42f939c updated for version 7.4.437
Bram Moolenaar <bram@vim.org>
parents: 6041
diff changeset
1509 }
8515b42f939c updated for version 7.4.437
Bram Moolenaar <bram@vim.org>
parents: 6041
diff changeset
1510
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1511 typedef struct
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1512 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1513 int a, b, c;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1514 } decomp_T;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1515
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1516
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1517 // 0xfb20 - 0xfb4f
297
9a1c2a8186b7 updated for version 7.0078
vimboss
parents: 270
diff changeset
1518 static decomp_T decomp_table[0xfb4f-0xfb20+1] =
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1519 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1520 {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
1521 {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
1522 {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
1523 {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
1524 {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
1525 {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
1526 {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
1527 {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
1528 {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
1529 {'+', 0, 0}, // 0xfb29 alt plus
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1530 {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
1531 {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
1532 {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
1533 {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
1534 {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
1535 {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
1536 {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
1537 {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
1538 {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
1539 {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
1540 {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
1541 {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
1542 {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
1543 {0xfb37, 0, 0}, // 0xfb37 -- UNUSED
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1544 {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
1545 {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
1546 {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
1547 {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
1548 {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
1549 {0xfb3d, 0, 0}, // 0xfb3d -- UNUSED
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1550 {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
1551 {0xfb3f, 0, 0}, // 0xfb3f -- UNUSED
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1552 {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
1553 {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
1554 {0xfb42, 0, 0}, // 0xfb42 -- UNUSED
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1555 {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
1556 {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
1557 {0xfb45, 0, 0}, // 0xfb45 -- UNUSED
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1558 {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
1559 {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
1560 {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
1561 {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
1562 {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
1563 {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
1564 {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
1565 {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
1566 {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
1567 {0x5d0, 0x5dc, 0} // 0xfb4f alef-lamed
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1568 };
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1569
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1570 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1571 mb_decompose(int c, int *c1, int *c2, int *c3)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1572 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1573 decomp_T d;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1574
4505
d037b9cbdaaa updated for version 7.3.1000
Bram Moolenaar <bram@vim.org>
parents: 4466
diff changeset
1575 if (c >= 0xfb20 && c <= 0xfb4f)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1576 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1577 d = decomp_table[c - 0xfb20];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1578 *c1 = d.a;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1579 *c2 = d.b;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1580 *c3 = d.c;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1581 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1582 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1583 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1584 *c1 = c;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1585 *c2 = *c3 = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1586 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1587 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1588
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1589 /*
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1590 * Compare two strings, ignore case if rex.reg_ic set.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1591 * Return 0 if strings match, non-zero otherwise.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1592 * Correct the length "*n" when composing characters are ignored.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1593 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1594 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1595 cstrncmp(char_u *s1, char_u *s2, int *n)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1596 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1597 int result;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1598
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1599 if (!rex.reg_ic)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1600 result = STRNCMP(s1, s2, *n);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1601 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1602 result = MB_STRNICMP(s1, s2, *n);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1603
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1604 // 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
1605 if (result != 0 && enc_utf8 && rex.reg_icombine)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1606 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1607 char_u *str1, *str2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1608 int c1, c2, c11, c12;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1609 int junk;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1610
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1611 // 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
1612 // deal with the composing characters by ignoring them:
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1613 str1 = s1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1614 str2 = s2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1615 c1 = c2 = 0;
507
a1059cda45f2 updated for version 7.0142
vimboss
parents: 492
diff changeset
1616 while ((int)(str1 - s1) < *n)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1617 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1618 c1 = mb_ptr2char_adv(&str1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1619 c2 = mb_ptr2char_adv(&str2);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1620
18019
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
1621 // 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
1622 // 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
1623 if (c1 != c2 && (!rex.reg_ic || utf_fold(c1) != utf_fold(c2)))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1624 {
18019
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
1625 // decomposition necessary?
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1626 mb_decompose(c1, &c11, &junk, &junk);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1627 mb_decompose(c2, &c12, &junk, &junk);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1628 c1 = c11;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1629 c2 = c12;
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1630 if (c11 != c12
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1631 && (!rex.reg_ic || utf_fold(c11) != utf_fold(c12)))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1632 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1633 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1634 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1635 result = c2 - c1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1636 if (result == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1637 *n = (int)(str2 - s2);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1638 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1639
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1640 return result;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1641 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1642
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1643 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1644 * cstrchr: This function is used a lot for simple searches, keep it fast!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1645 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1646 static char_u *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1647 cstrchr(char_u *s, int c)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1648 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1649 char_u *p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1650 int cc;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1651
15603
639b8318472c patch 8.1.0809: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents: 15555
diff changeset
1652 if (!rex.reg_ic || (!enc_utf8 && mb_char2len(c) > 1))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1653 return vim_strchr(s, c);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1654
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1655 // 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
1656 // 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
1657 // For UTF-8 need to use folded case.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1658 if (enc_utf8 && c > 0x80)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1659 cc = utf_fold(c);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1660 else
1347
302a6aa7aca2 updated for version 7.1-061
vimboss
parents: 1341
diff changeset
1661 if (MB_ISUPPER(c))
302a6aa7aca2 updated for version 7.1-061
vimboss
parents: 1341
diff changeset
1662 cc = MB_TOLOWER(c);
302a6aa7aca2 updated for version 7.1-061
vimboss
parents: 1341
diff changeset
1663 else if (MB_ISLOWER(c))
302a6aa7aca2 updated for version 7.1-061
vimboss
parents: 1341
diff changeset
1664 cc = MB_TOUPPER(c);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1665 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1666 return vim_strchr(s, c);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1667
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1668 if (has_mbyte)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1669 {
474
a5fcf36ef512 updated for version 7.0127
vimboss
parents: 418
diff changeset
1670 for (p = s; *p != NUL; p += (*mb_ptr2len)(p))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1671 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1672 if (enc_utf8 && c > 0x80)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1673 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1674 if (utf_fold(utf_ptr2char(p)) == cc)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1675 return p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1676 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1677 else if (*p == c || *p == cc)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1678 return p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1679 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1680 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1681 else
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1682 // Faster version for when there are no multi-byte characters.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1683 for (p = s; *p != NUL; ++p)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1684 if (*p == c || *p == cc)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1685 return p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1686
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1687 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1688 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1689
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1690 ////////////////////////////////////////////////////////////////
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1691 // regsub stuff //
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1692 ////////////////////////////////////////////////////////////////
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1693
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1694 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1695 * We should define ftpr as a pointer to a function returning a pointer to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1696 * a function returning a pointer to a function ...
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1697 * 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
1698 * void pointer. This should work for all compilers.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1699 */
22151
01cab6232a9a patch 8.2.1625: compiler warning for use of fptr_T
Bram Moolenaar <Bram@vim.org>
parents: 22143
diff changeset
1700 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
1701
9589
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
1702 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
1703
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1704 static fptr_T
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1705 do_upper(int *d, int c)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1706 {
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1707 *d = MB_TOUPPER(c);
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1708
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1709 return (fptr_T)NULL;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1710 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1711
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1712 static fptr_T
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1713 do_Upper(int *d, int c)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1714 {
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1715 *d = MB_TOUPPER(c);
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1716
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1717 return (fptr_T)do_Upper;
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1718 }
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1719
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1720 static fptr_T
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1721 do_lower(int *d, int c)
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1722 {
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1723 *d = MB_TOLOWER(c);
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1724
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1725 return (fptr_T)NULL;
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1726 }
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1727
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1728 static fptr_T
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1729 do_Lower(int *d, int c)
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1730 {
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1731 *d = MB_TOLOWER(c);
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1732
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1733 return (fptr_T)do_Lower;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1734 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1735
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1736 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1737 * regtilde(): Replace tildes in the pattern by the old pattern.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1738 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1739 * Short explanation of the tilde: It stands for the previous replacement
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1740 * pattern. If that previous pattern also contains a ~ we should go back a
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1741 * step further... But we insert the previous pattern into the current one
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1742 * and remember that.
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1743 * This still does not handle the case where "magic" changes. So require the
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1744 * user to keep his hands off of "magic".
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1745 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1746 * The tildes are parsed once before the first call to vim_regsub().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1747 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1748 char_u *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1749 regtilde(char_u *source, int magic)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1750 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1751 char_u *newsub = source;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1752 char_u *tmpsub;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1753 char_u *p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1754 int len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1755 int prevlen;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1756
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1757 for (p = newsub; *p; ++p)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1758 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1759 if ((*p == '~' && magic) || (*p == '\\' && *(p + 1) == '~' && !magic))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1760 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1761 if (reg_prev_sub != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1762 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1763 // length = len(newsub) - 1 + len(prev_sub) + 1
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1764 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
1765 tmpsub = alloc(STRLEN(newsub) + prevlen);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1766 if (tmpsub != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1767 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1768 // copy prefix
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1769 len = (int)(p - newsub); // not including ~
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1770 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
1771 // interpret tilde
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1772 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
1773 // copy postfix
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1774 if (!magic)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1775 ++p; // back off backslash
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1776 STRCPY(tmpsub + len + prevlen, p + 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1777
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1778 if (newsub != source) // already allocated newsub
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1779 vim_free(newsub);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1780 newsub = tmpsub;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1781 p = newsub + len + prevlen;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1782 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1783 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1784 else if (magic)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1785 STRMOVE(p, p + 1); // remove '~'
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1786 else
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1787 STRMOVE(p, p + 2); // remove '\~'
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1788 --p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1789 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1790 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1791 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1792 if (*p == '\\' && p[1]) // skip escaped characters
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1793 ++p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1794 if (has_mbyte)
474
a5fcf36ef512 updated for version 7.0127
vimboss
parents: 418
diff changeset
1795 p += (*mb_ptr2len)(p) - 1;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1796 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1797 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1798
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1799 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
1800 if (newsub != source) // newsub was allocated, just keep it
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1801 reg_prev_sub = newsub;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1802 else // no ~ found, need to save newsub
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1803 reg_prev_sub = vim_strsave(newsub);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1804 return newsub;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1805 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1806
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1807 #ifdef FEAT_EVAL
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1808 static int can_f_submatch = FALSE; // TRUE when submatch() can be used
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1809
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1810 // 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
1811 // 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
1812 // and submatch().
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1813 typedef struct {
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1814 regmatch_T *sm_match;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1815 regmmatch_T *sm_mmatch;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1816 linenr_T sm_firstlnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1817 linenr_T sm_maxline;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1818 int sm_line_lbr;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1819 } regsubmatch_T;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1820
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1821 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
1822 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1823
17966
46f95606b9ec patch 8.1.1979: code for handling file names is spread out
Bram Moolenaar <Bram@vim.org>
parents: 17789
diff changeset
1824 #ifdef FEAT_EVAL
9626
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1825
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1826 /*
18572
23fef64352a1 patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents: 18019
diff changeset
1827 * 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
1828 * 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
1829 */
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1830 static int
18572
23fef64352a1 patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents: 18019
diff changeset
1831 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
1832 {
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1833 listitem_T *li;
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1834 int i;
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1835 char_u *s;
18572
23fef64352a1 patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents: 18019
diff changeset
1836 typval_T *listarg = argv + argskip;
9626
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1837
18572
23fef64352a1 patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents: 18019
diff changeset
1838 if (argcount == argskip)
23fef64352a1 patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents: 18019
diff changeset
1839 // 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
1840 return argskip;
9626
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1841
18572
23fef64352a1 patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents: 18019
diff changeset
1842 // 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
1843 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
1844
18572
23fef64352a1 patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents: 18019
diff changeset
1845 // 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
1846 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
1847 for (i = 0; i < 10; ++i)
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1848 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1849 s = rsm.sm_match->startp[i];
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1850 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
1851 s = NULL;
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1852 else
20830
9064044fd4f6 patch 8.2.0967: unnecessary type casts for vim_strnsave()
Bram Moolenaar <Bram@vim.org>
parents: 20113
diff changeset
1853 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
1854 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
1855 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
1856 li = li->li_next;
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1857 }
18572
23fef64352a1 patch 8.1.2280: crash when passing partial to substitute()
Bram Moolenaar <Bram@vim.org>
parents: 18019
diff changeset
1858 return argskip + 1;
9626
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1859 }
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1860
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1861 static void
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1862 clear_submatch_list(staticList10_T *sl)
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1863 {
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1864 int i;
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1865
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1866 for (i = 0; i < 10; ++i)
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1867 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
1868 }
17966
46f95606b9ec patch 8.1.1979: code for handling file names is spread out
Bram Moolenaar <Bram@vim.org>
parents: 17789
diff changeset
1869 #endif
9626
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
1870
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1871 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1872 * vim_regsub() - perform substitutions after a vim_regexec() or
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1873 * vim_regexec_multi() match.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1874 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1875 * If "copy" is TRUE really copy into "dest".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1876 * 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
1877 * of the result.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1878 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1879 * If "backslash" is TRUE, a backslash will be removed later, need to double
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1880 * 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
1881 * replaced with a line break later.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1882 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1883 * Note: The matched text must not change between the call of
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1884 * vim_regexec()/vim_regexec_multi() and vim_regsub()! It would make the back
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1885 * references invalid!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1886 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1887 * Returns the size of the replacement, including terminating NUL.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1888 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1889 int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1890 vim_regsub(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1891 regmatch_T *rmp,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1892 char_u *source,
9589
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
1893 typval_T *expr,
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1894 char_u *dest,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1895 int copy,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1896 int magic,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1897 int backslash)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1898 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1899 int result;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1900 regexec_T rex_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1901 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
1902
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1903 if (rex_in_use)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1904 // 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
1905 rex_save = rex;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1906 rex_in_use = TRUE;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1907
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1908 rex.reg_match = rmp;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1909 rex.reg_mmatch = NULL;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1910 rex.reg_maxline = 0;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1911 rex.reg_buf = curbuf;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1912 rex.reg_line_lbr = TRUE;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1913 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
1914
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1915 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
1916 if (rex_in_use)
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1917 rex = rex_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1918
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1919 return result;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1920 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1921
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1922 int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1923 vim_regsub_multi(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1924 regmmatch_T *rmp,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1925 linenr_T lnum,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1926 char_u *source,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1927 char_u *dest,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1928 int copy,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1929 int magic,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1930 int backslash)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1931 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1932 int result;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1933 regexec_T rex_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1934 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
1935
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1936 if (rex_in_use)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1937 // 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
1938 rex_save = rex;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1939 rex_in_use = TRUE;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1940
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1941 rex.reg_match = NULL;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1942 rex.reg_mmatch = rmp;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1943 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
1944 rex.reg_firstlnum = lnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1945 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
1946 rex.reg_line_lbr = FALSE;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1947 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
1948
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1949 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
1950 if (rex_in_use)
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1951 rex = rex_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1952
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1953 return result;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1954 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1955
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1956 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1957 vim_regsub_both(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1958 char_u *source,
9589
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
1959 typval_T *expr,
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1960 char_u *dest,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1961 int copy,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1962 int magic,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
1963 int backslash)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1964 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1965 char_u *src;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1966 char_u *dst;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1967 char_u *s;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1968 int c;
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
1969 int cc;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1970 int no = -1;
4244
7faeece39228 updated for version 7.3.873
Bram Moolenaar <bram@vim.org>
parents: 4176
diff changeset
1971 fptr_T func_all = (fptr_T)NULL;
7faeece39228 updated for version 7.3.873
Bram Moolenaar <bram@vim.org>
parents: 4176
diff changeset
1972 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
1973 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
1974 int len = 0; // init for GCC
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1975 #ifdef FEAT_EVAL
9589
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
1976 static char_u *eval_result = NULL;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1977 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1978
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1979 // Be paranoid...
9589
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
1980 if ((source == NULL && expr == NULL) || dest == NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1981 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15339
diff changeset
1982 emsg(_(e_null));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1983 return 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1984 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1985 if (prog_magic_wrong())
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1986 return 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1987 src = source;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1988 dst = dest;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1989
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1990 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1991 * When the substitute part starts with "\=" evaluate it as an expression.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1992 */
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
1993 if (expr != NULL || (source[0] == '\\' && source[1] == '='))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1994 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1995 #ifdef FEAT_EVAL
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
1996 // 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
1997 // 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
1998 // 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
1999 // call with "copy" == TRUE.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2000 if (copy)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2001 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2002 if (eval_result != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2003 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2004 STRCPY(dest, eval_result);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2005 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
2006 VIM_CLEAR(eval_result);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2007 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2008 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2009 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2010 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2011 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
2012 regsubmatch_T rsm_save;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2013
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2014 vim_free(eval_result);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2015
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2016 // 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
2017 // 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
2018 // level.
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2019 if (can_f_submatch)
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2020 rsm_save = rsm;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2021 can_f_submatch = TRUE;
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2022 rsm.sm_match = rex.reg_match;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2023 rsm.sm_mmatch = rex.reg_mmatch;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2024 rsm.sm_firstlnum = rex.reg_firstlnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2025 rsm.sm_maxline = rex.reg_maxline;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2026 rsm.sm_line_lbr = rex.reg_line_lbr;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2027
9589
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
2028 if (expr != NULL)
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
2029 {
9626
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
2030 typval_T argv[2];
9589
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
2031 char_u buf[NUMBUFLEN];
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
2032 typval_T rettv;
9626
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
2033 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
2034 funcexe_T funcexe;
9589
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
2035
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
2036 rettv.v_type = VAR_STRING;
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
2037 rettv.vval.v_string = NULL;
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2038 argv[0].v_type = VAR_LIST;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2039 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
2040 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
2041 CLEAR_FIELD(funcexe);
17606
ff097edaae89 patch 8.1.1800: function call functions have too many arguments
Bram Moolenaar <Bram@vim.org>
parents: 17444
diff changeset
2042 funcexe.argv_func = fill_submatch_list;
ff097edaae89 patch 8.1.1800: function call functions have too many arguments
Bram Moolenaar <Bram@vim.org>
parents: 17444
diff changeset
2043 funcexe.evaluate = TRUE;
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2044 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
2045 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2046 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
2047 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
2048 }
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2049 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
2050 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2051 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
2052
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2053 s = partial_name(partial);
17606
ff097edaae89 patch 8.1.1800: function call functions have too many arguments
Bram Moolenaar <Bram@vim.org>
parents: 17444
diff changeset
2054 funcexe.partial = partial;
ff097edaae89 patch 8.1.1800: function call functions have too many arguments
Bram Moolenaar <Bram@vim.org>
parents: 17444
diff changeset
2055 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
2056 }
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2057 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
2058 // fill_submatch_list() was called
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2059 clear_submatch_list(&matchList);
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2060
18576
e9675870c480 patch 8.1.2282: crash when passing many arguments through a partial
Bram Moolenaar <Bram@vim.org>
parents: 18572
diff changeset
2061 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
2062 // 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
2063 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
2064 else
e9675870c480 patch 8.1.2282: crash when passing many arguments through a partial
Bram Moolenaar <Bram@vim.org>
parents: 18572
diff changeset
2065 {
e9675870c480 patch 8.1.2282: crash when passing many arguments through a partial
Bram Moolenaar <Bram@vim.org>
parents: 18572
diff changeset
2066 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
2067 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
2068 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
2069 }
9626
172131507c85 commit https://github.com/vim/vim/commit/df48fb456fb6bf63d94cad9b302ff01d8ee8d311
Christian Brabandt <cb@256bit.org>
parents: 9589
diff changeset
2070 clear_tv(&rettv);
9589
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
2071 }
bf204ab1ce7d commit https://github.com/vim/vim/commit/72ab729c3dcdea0fba44d8e676602c847e841bcd
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
2072 else
20996
3af71cbcfdbe patch 8.2.1049: Vim9: leaking memory when using continuation line
Bram Moolenaar <Bram@vim.org>
parents: 20830
diff changeset
2073 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
2074
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2075 if (eval_result != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2076 {
2125
b8744d1982d1 updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents: 2012
diff changeset
2077 int had_backslash = FALSE;
b8744d1982d1 updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents: 2012
diff changeset
2078
11127
506f5d8b7d8b patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 11121
diff changeset
2079 for (s = eval_result; *s != NUL; MB_PTR_ADV(s))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2080 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2081 // 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
2082 // 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
2083 // Skip over a backslashed character.
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2084 if (*s == NL && !rsm.sm_line_lbr)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2085 *s = CAR;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2086 else if (*s == '\\' && s[1] != NUL)
2125
b8744d1982d1 updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents: 2012
diff changeset
2087 {
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2088 ++s;
2173
ecb9c2b70b0f updated for version 7.2.437
Bram Moolenaar <bram@vim.org>
parents: 2125
diff changeset
2089 /* 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
2090 * :s/abc\\\ndef/\="aaa\\\nbbb"/ on text:
ecb9c2b70b0f updated for version 7.2.437
Bram Moolenaar <bram@vim.org>
parents: 2125
diff changeset
2091 * abc\
ecb9c2b70b0f updated for version 7.2.437
Bram Moolenaar <bram@vim.org>
parents: 2125
diff changeset
2092 * def
2904
c249d9aa60f7 updated for version 7.3.225
Bram Moolenaar <bram@vim.org>
parents: 2578
diff changeset
2093 * Not when called from vim_regexec_nl().
2173
ecb9c2b70b0f updated for version 7.2.437
Bram Moolenaar <bram@vim.org>
parents: 2125
diff changeset
2094 */
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2095 if (*s == NL && !rsm.sm_line_lbr)
2173
ecb9c2b70b0f updated for version 7.2.437
Bram Moolenaar <bram@vim.org>
parents: 2125
diff changeset
2096 *s = CAR;
2125
b8744d1982d1 updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents: 2012
diff changeset
2097 had_backslash = TRUE;
b8744d1982d1 updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents: 2012
diff changeset
2098 }
b8744d1982d1 updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents: 2012
diff changeset
2099 }
b8744d1982d1 updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents: 2012
diff changeset
2100 if (had_backslash && backslash)
b8744d1982d1 updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents: 2012
diff changeset
2101 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2102 // 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
2103 s = vim_strsave_escaped(eval_result, (char_u *)"\\");
b8744d1982d1 updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents: 2012
diff changeset
2104 if (s != NULL)
b8744d1982d1 updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents: 2012
diff changeset
2105 {
b8744d1982d1 updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents: 2012
diff changeset
2106 vim_free(eval_result);
b8744d1982d1 updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents: 2012
diff changeset
2107 eval_result = s;
b8744d1982d1 updated for version 7.2.407
Bram Moolenaar <bram@zimbu.org>
parents: 2012
diff changeset
2108 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2109 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2110
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2111 dst += STRLEN(eval_result);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2112 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2113
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2114 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
2115 if (can_f_submatch)
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2116 rsm = rsm_save;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2117 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2118 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2119 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2120 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2121 while ((c = *src++) != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2122 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2123 if (c == '&' && magic)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2124 no = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2125 else if (c == '\\' && *src != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2126 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2127 if (*src == '&' && !magic)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2128 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2129 ++src;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2130 no = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2131 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2132 else if ('0' <= *src && *src <= '9')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2133 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2134 no = *src++ - '0';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2135 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2136 else if (vim_strchr((char_u *)"uUlLeE", *src))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2137 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2138 switch (*src++)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2139 {
4244
7faeece39228 updated for version 7.3.873
Bram Moolenaar <bram@vim.org>
parents: 4176
diff changeset
2140 case 'u': func_one = (fptr_T)do_upper;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2141 continue;
4244
7faeece39228 updated for version 7.3.873
Bram Moolenaar <bram@vim.org>
parents: 4176
diff changeset
2142 case 'U': func_all = (fptr_T)do_Upper;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2143 continue;
4244
7faeece39228 updated for version 7.3.873
Bram Moolenaar <bram@vim.org>
parents: 4176
diff changeset
2144 case 'l': func_one = (fptr_T)do_lower;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2145 continue;
4244
7faeece39228 updated for version 7.3.873
Bram Moolenaar <bram@vim.org>
parents: 4176
diff changeset
2146 case 'L': func_all = (fptr_T)do_Lower;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2147 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2148 case 'e':
4244
7faeece39228 updated for version 7.3.873
Bram Moolenaar <bram@vim.org>
parents: 4176
diff changeset
2149 case 'E': func_one = func_all = (fptr_T)NULL;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2150 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2151 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2152 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2153 }
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2154 if (no < 0) // Ordinary character.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2155 {
798
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2156 if (c == K_SPECIAL && src[0] != NUL && src[1] != NUL)
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2157 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2158 // Copy a special key as-is.
798
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2159 if (copy)
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2160 {
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2161 *dst++ = c;
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2162 *dst++ = *src++;
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2163 *dst++ = *src++;
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2164 }
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2165 else
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2166 {
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2167 dst += 3;
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2168 src += 2;
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2169 }
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2170 continue;
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2171 }
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2172
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2173 if (c == '\\' && *src != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2174 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2175 // Check for abbreviations -- webb
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2176 switch (*src)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2177 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2178 case 'r': c = CAR; ++src; break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2179 case 'n': c = NL; ++src; break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2180 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
2181 // 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
2182 // case 'e': c = ESC; ++src; break;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2183 case 'b': c = Ctrl_H; ++src; break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2184
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2185 // 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
2186 // later. Used to insert a literal CR.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2187 default: if (backslash)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2188 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2189 if (copy)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2190 *dst = '\\';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2191 ++dst;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2192 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2193 c = *src++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2194 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2195 }
798
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2196 else if (has_mbyte)
95dac6af3b3a updated for version 7.0232
vimboss
parents: 772
diff changeset
2197 c = mb_ptr2char(src - 1);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2198
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2199 // Write to buffer, if copy is set.
4244
7faeece39228 updated for version 7.3.873
Bram Moolenaar <bram@vim.org>
parents: 4176
diff changeset
2200 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
2201 // Turbo C complains without the typecast
4244
7faeece39228 updated for version 7.3.873
Bram Moolenaar <bram@vim.org>
parents: 4176
diff changeset
2202 func_one = (fptr_T)(func_one(&cc, c));
7faeece39228 updated for version 7.3.873
Bram Moolenaar <bram@vim.org>
parents: 4176
diff changeset
2203 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
2204 // Turbo C complains without the typecast
4244
7faeece39228 updated for version 7.3.873
Bram Moolenaar <bram@vim.org>
parents: 4176
diff changeset
2205 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
2206 else // just copy
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2207 cc = c;
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2208
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2209 if (has_mbyte)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2210 {
2307
81527f127fb1 Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents: 2247
diff changeset
2211 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
2212
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2213 if (copy)
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2214 mb_char2bytes(cc, dst);
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2215 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
2216 if (enc_utf8)
81527f127fb1 Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents: 2247
diff changeset
2217 {
81527f127fb1 Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents: 2247
diff changeset
2218 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
2219
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2220 // 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
2221 // 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
2222 if (clen < totlen)
81527f127fb1 Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents: 2247
diff changeset
2223 {
81527f127fb1 Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents: 2247
diff changeset
2224 if (copy)
81527f127fb1 Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents: 2247
diff changeset
2225 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
2226 (size_t)(totlen - clen));
81527f127fb1 Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents: 2247
diff changeset
2227 dst += totlen - clen;
81527f127fb1 Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents: 2247
diff changeset
2228 }
81527f127fb1 Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents: 2247
diff changeset
2229 }
81527f127fb1 Fix: Composing characters in :s substitute text were dropped.
Bram Moolenaar <bram@vim.org>
parents: 2247
diff changeset
2230 src += totlen - 1;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2231 }
15603
639b8318472c patch 8.1.0809: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents: 15555
diff changeset
2232 else if (copy)
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2233 *dst = cc;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2234 dst++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2235 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2236 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2237 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2238 if (REG_MULTI)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2239 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2240 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
2241 if (clnum < 0 || rex.reg_mmatch->endpos[no].lnum < 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2242 s = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2243 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2244 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2245 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
2246 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
2247 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
2248 - rex.reg_mmatch->startpos[no].col;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2249 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2250 len = (int)STRLEN(s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2251 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2252 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2253 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2254 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2255 s = rex.reg_match->startp[no];
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2256 if (rex.reg_match->endp[no] == NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2257 s = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2258 else
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2259 len = (int)(rex.reg_match->endp[no] - s);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2260 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2261 if (s != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2262 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2263 for (;;)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2264 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2265 if (len == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2266 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2267 if (REG_MULTI)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2268 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2269 if (rex.reg_mmatch->endpos[no].lnum == clnum)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2270 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2271 if (copy)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2272 *dst = CAR;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2273 ++dst;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2274 s = reg_getline(++clnum);
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2275 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
2276 len = rex.reg_mmatch->endpos[no].col;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2277 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2278 len = (int)STRLEN(s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2279 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2280 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2281 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2282 }
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2283 else if (*s == NUL) // we hit NUL.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2284 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2285 if (copy)
22167
740b16b3c80b patch 8.2.1633: some error messages are internal but do not use iemsg()
Bram Moolenaar <Bram@vim.org>
parents: 22151
diff changeset
2286 iemsg(_(e_re_damg));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2287 goto exit;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2288 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2289 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2290 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2291 if (backslash && (*s == CAR || *s == '\\'))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2292 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2293 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2294 * Insert a backslash in front of a CR, otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2295 * it will be replaced by a line break.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2296 * Number of backslashes will be halved later,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2297 * double them here.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2298 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2299 if (copy)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2300 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2301 dst[0] = '\\';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2302 dst[1] = *s;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2303 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2304 dst += 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2305 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2306 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2307 {
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2308 if (has_mbyte)
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2309 c = mb_ptr2char(s);
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2310 else
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2311 c = *s;
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2312
4244
7faeece39228 updated for version 7.3.873
Bram Moolenaar <bram@vim.org>
parents: 4176
diff changeset
2313 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
2314 // Turbo C complains without the typecast
4244
7faeece39228 updated for version 7.3.873
Bram Moolenaar <bram@vim.org>
parents: 4176
diff changeset
2315 func_one = (fptr_T)(func_one(&cc, c));
7faeece39228 updated for version 7.3.873
Bram Moolenaar <bram@vim.org>
parents: 4176
diff changeset
2316 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
2317 // Turbo C complains without the typecast
4244
7faeece39228 updated for version 7.3.873
Bram Moolenaar <bram@vim.org>
parents: 4176
diff changeset
2318 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
2319 else // just copy
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2320 cc = c;
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2321
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2322 if (has_mbyte)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2323 {
1332
6d421b3c485b updated for version 7.1-046
vimboss
parents: 1209
diff changeset
2324 int l;
6d421b3c485b updated for version 7.1-046
vimboss
parents: 1209
diff changeset
2325
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2326 // Copy composing characters separately, one
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2327 // at a time.
1332
6d421b3c485b updated for version 7.1-046
vimboss
parents: 1209
diff changeset
2328 if (enc_utf8)
6d421b3c485b updated for version 7.1-046
vimboss
parents: 1209
diff changeset
2329 l = utf_ptr2len(s) - 1;
6d421b3c485b updated for version 7.1-046
vimboss
parents: 1209
diff changeset
2330 else
6d421b3c485b updated for version 7.1-046
vimboss
parents: 1209
diff changeset
2331 l = mb_ptr2len(s) - 1;
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2332
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2333 s += l;
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2334 len -= l;
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2335 if (copy)
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2336 mb_char2bytes(cc, dst);
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2337 dst += mb_char2len(cc) - 1;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2338 }
15603
639b8318472c patch 8.1.0809: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents: 15555
diff changeset
2339 else if (copy)
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2340 *dst = cc;
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2341 dst++;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2342 }
772
aaaca5077255 updated for version 7.0226
vimboss
parents: 741
diff changeset
2343
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2344 ++s;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2345 --len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2346 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2347 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2348 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2349 no = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2350 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2351 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2352 if (copy)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2353 *dst = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2354
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2355 exit:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2356 return (int)((dst - dest) + 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2357 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2358
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2359 #ifdef FEAT_EVAL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2360 /*
2011
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2361 * Call reg_getline() with the line numbers from the submatch. If a
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2362 * substitute() was used the reg_maxline and other values have been
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2363 * overwritten.
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2364 */
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2365 static char_u *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2366 reg_getline_submatch(linenr_T lnum)
2011
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2367 {
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2368 char_u *s;
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2369 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
2370 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
2371
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2372 rex.reg_firstlnum = rsm.sm_firstlnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2373 rex.reg_maxline = rsm.sm_maxline;
2011
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2374
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2375 s = reg_getline(lnum);
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2376
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2377 rex.reg_firstlnum = save_first;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2378 rex.reg_maxline = save_max;
2011
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2379 return s;
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2380 }
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2381
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2382 /*
1209
070f2ac50cf8 updated for version 7.1b
vimboss
parents: 1148
diff changeset
2383 * 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
2384 * allocated memory.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2385 * Returns NULL when not in a ":s" command and for a non-existing submatch.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2386 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2387 char_u *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2388 reg_submatch(int no)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2389 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2390 char_u *retval = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2391 char_u *s;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2392 int len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2393 int round;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2394 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2395
840
2c885fab04e3 updated for version 7.0e06
vimboss
parents: 798
diff changeset
2396 if (!can_f_submatch || no < 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2397 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2398
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2399 if (rsm.sm_match == NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2400 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2401 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2402 * First round: compute the length and allocate memory.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2403 * Second round: copy the text.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2404 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2405 for (round = 1; round <= 2; ++round)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2406 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2407 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
2408 if (lnum < 0 || rsm.sm_mmatch->endpos[no].lnum < 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2409 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2410
16040
13ab270dd68d patch 8.1.1025: checking NULL pointer after addition
Bram Moolenaar <Bram@vim.org>
parents: 15967
diff changeset
2411 s = reg_getline_submatch(lnum);
13ab270dd68d patch 8.1.1025: checking NULL pointer after addition
Bram Moolenaar <Bram@vim.org>
parents: 15967
diff changeset
2412 if (s == NULL) // anti-crash check, cannot happen?
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2413 break;
16040
13ab270dd68d patch 8.1.1025: checking NULL pointer after addition
Bram Moolenaar <Bram@vim.org>
parents: 15967
diff changeset
2414 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
2415 if (rsm.sm_mmatch->endpos[no].lnum == lnum)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2416 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2417 // 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
2418 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
2419 - rsm.sm_mmatch->startpos[no].col;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2420 if (round == 2)
418
84825cc6f049 updated for version 7.0109
vimboss
parents: 410
diff changeset
2421 vim_strncpy(retval, s, len);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2422 ++len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2423 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2424 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2425 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2426 // 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
2427 // lines completely and end line up to end col.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2428 len = (int)STRLEN(s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2429 if (round == 2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2430 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2431 STRCPY(retval, s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2432 retval[len] = '\n';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2433 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2434 ++len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2435 ++lnum;
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2436 while (lnum < rsm.sm_mmatch->endpos[no].lnum)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2437 {
2011
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2438 s = reg_getline_submatch(lnum++);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2439 if (round == 2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2440 STRCPY(retval + len, s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2441 len += (int)STRLEN(s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2442 if (round == 2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2443 retval[len] = '\n';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2444 ++len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2445 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2446 if (round == 2)
2011
a3a4be6bdcdd updated for version 7.2-308
vimboss
parents: 2010
diff changeset
2447 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
2448 rsm.sm_mmatch->endpos[no].col);
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2449 len += rsm.sm_mmatch->endpos[no].col;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2450 if (round == 2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2451 retval[len] = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2452 ++len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2453 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2454
840
2c885fab04e3 updated for version 7.0e06
vimboss
parents: 798
diff changeset
2455 if (retval == NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2456 {
16768
695d9ef00b03 patch 8.1.1386: unessesary type casts for lalloc()
Bram Moolenaar <Bram@vim.org>
parents: 16764
diff changeset
2457 retval = alloc(len);
840
2c885fab04e3 updated for version 7.0e06
vimboss
parents: 798
diff changeset
2458 if (retval == NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2459 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2460 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2461 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2462 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2463 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2464 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2465 s = rsm.sm_match->startp[no];
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2466 if (s == NULL || rsm.sm_match->endp[no] == NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2467 retval = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2468 else
20830
9064044fd4f6 patch 8.2.0967: unnecessary type casts for vim_strnsave()
Bram Moolenaar <Bram@vim.org>
parents: 20113
diff changeset
2469 retval = vim_strnsave(s, rsm.sm_match->endp[no] - s);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2470 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2471
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2472 return retval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2473 }
5794
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2474
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 * 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
2477 * 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
2478 * represented in NLs.
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2479 * 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
2480 * 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
2481 */
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2482 list_T *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2483 reg_submatch_list(int no)
5794
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 char_u *s;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2486 linenr_T slnum;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2487 linenr_T elnum;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2488 colnr_T scol;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2489 colnr_T ecol;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2490 int i;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2491 list_T *list;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2492 int error = FALSE;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2493
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2494 if (!can_f_submatch || no < 0)
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2495 return NULL;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2496
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2497 if (rsm.sm_match == NULL)
5794
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2498 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2499 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
2500 elnum = rsm.sm_mmatch->endpos[no].lnum;
5794
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2501 if (slnum < 0 || elnum < 0)
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2502 return NULL;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2503
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2504 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
2505 ecol = rsm.sm_mmatch->endpos[no].col;
5794
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2506
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2507 list = list_alloc();
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2508 if (list == NULL)
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2509 return NULL;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2510
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2511 s = reg_getline_submatch(slnum) + scol;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2512 if (slnum == elnum)
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2513 {
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2514 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
2515 error = TRUE;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2516 }
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2517 else
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2518 {
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2519 if (list_append_string(list, s, -1) == FAIL)
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2520 error = TRUE;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2521 for (i = 1; i < elnum - slnum; i++)
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2522 {
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2523 s = reg_getline_submatch(slnum + i);
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2524 if (list_append_string(list, s, -1) == FAIL)
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2525 error = TRUE;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2526 }
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2527 s = reg_getline_submatch(elnum);
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2528 if (list_append_string(list, s, ecol) == FAIL)
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2529 error = TRUE;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2530 }
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2531 }
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2532 else
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2533 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2534 s = rsm.sm_match->startp[no];
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2535 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
2536 return NULL;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2537 list = list_alloc();
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2538 if (list == NULL)
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2539 return NULL;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2540 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
2541 (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
2542 error = TRUE;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2543 }
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2544
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2545 if (error)
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2546 {
8863
e1b84109506a commit https://github.com/vim/vim/commit/107e1eef1df3b786ad3ad49fbdb9e058649303b5
Christian Brabandt <cb@256bit.org>
parents: 8825
diff changeset
2547 list_free(list);
5794
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2548 return NULL;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2549 }
22143
3ec9e302ec94 patch 8.2.1621: crash when using submatch(0, 1) in substitute()
Bram Moolenaar <Bram@vim.org>
parents: 20996
diff changeset
2550 ++list->lv_refcount;
5794
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2551 return list;
a63d0cd691dc updated for version 7.4.241
Bram Moolenaar <bram@vim.org>
parents: 5735
diff changeset
2552 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2553 #endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2554
19405
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2555 /*
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2556 * 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
2557 */
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2558 static void
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2559 init_regexec_multi(
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2560 regmmatch_T *rmp,
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2561 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
2562 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
2563 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
2564 {
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2565 rex.reg_match = NULL;
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2566 rex.reg_mmatch = rmp;
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2567 rex.reg_buf = buf;
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2568 rex.reg_win = win;
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2569 rex.reg_firstlnum = lnum;
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2570 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
2571 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
2572 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
2573 rex.reg_icombine = FALSE;
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2574 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
2575 }
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 19384
diff changeset
2576
18019
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
2577 #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
2578
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2579 static regengine_T bt_regengine =
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2580 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2581 bt_regcomp,
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2582 bt_regfree,
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2583 bt_regexec_nl,
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2584 bt_regexec_multi,
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2585 (char_u *)""
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2586 };
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2587
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2588 #include "regexp_nfa.c"
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2589
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2590 static regengine_T nfa_regengine =
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2591 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2592 nfa_regcomp,
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2593 nfa_regfree,
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2594 nfa_regexec_nl,
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2595 nfa_regexec_multi,
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2596 (char_u *)""
4444
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
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2599 // 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
2600 // Must match with 'regexpengine'.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2601 static int regexp_engine = 0;
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2602
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2603 #ifdef DEBUG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2604 static char_u regname[][30] = {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2605 "AUTOMATIC Regexp Engine",
4579
7a2be4a39423 updated for version 7.3.1037
Bram Moolenaar <bram@vim.org>
parents: 4505
diff changeset
2606 "BACKTRACKING Regexp Engine",
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2607 "NFA Regexp Engine"
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2608 };
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2609 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2610
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2611 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2612 * Compile a regular expression into internal code.
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2613 * Returns the program in allocated memory.
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2614 * Use vim_regfree() to free the memory.
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2615 * Returns NULL for an error.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2616 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2617 regprog_T *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2618 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
2619 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2620 regprog_T *prog = NULL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2621 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
2622 int called_emsg_before;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2623
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2624 regexp_engine = p_re;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2625
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2626 // 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
2627 if (STRNCMP(expr, "\\%#=", 4) == 0)
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 int newengine = expr[4] - '0';
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2630
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2631 if (newengine == AUTOMATIC_ENGINE
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2632 || newengine == BACKTRACKING_ENGINE
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2633 || newengine == NFA_ENGINE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2634 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2635 regexp_engine = expr[4] - '0';
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2636 expr += 5;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2637 #ifdef DEBUG
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15339
diff changeset
2638 smsg("New regexp mode selected (%d): %s",
5897
b5972833add9 updated for version 7.4.291
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
2639 regexp_engine, regname[newengine]);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2640 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2641 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2642 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2643 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15339
diff changeset
2644 emsg(_("E864: \\%#= can only be followed by 0, 1, or 2. The automatic engine will be used "));
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2645 regexp_engine = AUTOMATIC_ENGINE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2646 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2647 }
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
2648 #ifdef DEBUG
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2649 bt_regengine.expr = expr;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2650 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
2651 #endif
15856
e44b7caaf373 patch 8.1.0935: old regexp engine may use invalid buffer
Bram Moolenaar <Bram@vim.org>
parents: 15854
diff changeset
2652 // 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
2653 rex.reg_buf = curbuf;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2654
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2655 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2656 * 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
2657 */
18949
5c405689da3e patch 8.2.0035: saving and restoring called_emsg is clumsy
Bram Moolenaar <Bram@vim.org>
parents: 18812
diff changeset
2658 called_emsg_before = called_emsg;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2659 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
2660 prog = nfa_regengine.regcomp(expr,
6533
bdc8e71633e4 updated for version 7.4.593
Bram Moolenaar <bram@vim.org>
parents: 6390
diff changeset
2661 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
2662 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2663 prog = bt_regengine.regcomp(expr, re_flags);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2664
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2665 // 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
2666 if (prog == NULL)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2667 {
4460
fe8a0a6a1c2a updated for version 7.3.978
Bram Moolenaar <bram@vim.org>
parents: 4444
diff changeset
2668 #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
2669 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
2670 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2671 FILE *f;
4460
fe8a0a6a1c2a updated for version 7.3.978
Bram Moolenaar <bram@vim.org>
parents: 4444
diff changeset
2672 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
2673 if (f)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2674 {
4762
47906f888725 updated for version 7.3.1128
Bram Moolenaar <bram@vim.org>
parents: 4760
diff changeset
2675 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
2676 fclose(f);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2677 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2678 else
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15339
diff changeset
2679 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
2680 BT_REGEXP_DEBUG_LOG_NAME);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2681 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2682 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2683 /*
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2684 * 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
2685 * 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
2686 * 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
2687 * 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
2688 */
18949
5c405689da3e patch 8.2.0035: saving and restoring called_emsg is clumsy
Bram Moolenaar <Bram@vim.org>
parents: 18812
diff changeset
2689 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
2690 && called_emsg == called_emsg_before)
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2691 {
6533
bdc8e71633e4 updated for version 7.4.593
Bram Moolenaar <bram@vim.org>
parents: 6390
diff changeset
2692 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
2693 #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
2694 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
2695 #endif
4762
47906f888725 updated for version 7.3.1128
Bram Moolenaar <bram@vim.org>
parents: 4760
diff changeset
2696 prog = bt_regengine.regcomp(expr, re_flags);
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2697 }
4762
47906f888725 updated for version 7.3.1128
Bram Moolenaar <bram@vim.org>
parents: 4760
diff changeset
2698 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2699
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2700 if (prog != NULL)
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2701 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2702 // 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
2703 // 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
2704 prog->re_engine = regexp_engine;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2705 prog->re_flags = re_flags;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2706 }
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2707
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2708 return prog;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2709 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2710
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2711 /*
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2712 * 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
2713 */
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2714 void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2715 vim_regfree(regprog_T *prog)
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2716 {
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2717 if (prog != NULL)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2718 prog->engine->regfree(prog);
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2719 }
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2720
18019
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
2721 #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
2722 void
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
2723 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
2724 {
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
2725 ga_clear(&regstack);
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
2726 ga_clear(&backpos);
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
2727 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
2728 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
2729 }
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
2730 #endif
68fd5296bf73 patch 8.1.2005: the regexp.c file is too big
Bram Moolenaar <Bram@vim.org>
parents: 17966
diff changeset
2731
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2732 #ifdef FEAT_EVAL
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2733 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2734 report_re_switch(char_u *pat)
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2735 {
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2736 if (p_verbose > 0)
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2737 {
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2738 verbose_enter();
15543
dd725a8ab112 patch 8.1.0779: argument for message functions is inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15480
diff changeset
2739 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
2740 msg_puts((char *)pat);
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2741 verbose_leave();
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2742 }
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2743 }
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2744 #endif
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2745
15555
d89c5b339c2a patch 8.1.0785: depending on the configuration some functions are unused
Bram Moolenaar <Bram@vim.org>
parents: 15543
diff changeset
2746 #if (defined(FEAT_X11) && (defined(FEAT_TITLE) || defined(FEAT_XCLIPBOARD))) \
d89c5b339c2a patch 8.1.0785: depending on the configuration some functions are unused
Bram Moolenaar <Bram@vim.org>
parents: 15543
diff changeset
2747 || defined(PROTO)
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2748 /*
15306
7fff2d18e191 patch 8.1.0661: clipboard regexp might be used recursively
Bram Moolenaar <Bram@vim.org>
parents: 15211
diff changeset
2749 * 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
2750 */
7fff2d18e191 patch 8.1.0661: clipboard regexp might be used recursively
Bram Moolenaar <Bram@vim.org>
parents: 15211
diff changeset
2751 int
7fff2d18e191 patch 8.1.0661: clipboard regexp might be used recursively
Bram Moolenaar <Bram@vim.org>
parents: 15211
diff changeset
2752 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
2753 {
7fff2d18e191 patch 8.1.0661: clipboard regexp might be used recursively
Bram Moolenaar <Bram@vim.org>
parents: 15211
diff changeset
2754 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
2755 }
15555
d89c5b339c2a patch 8.1.0785: depending on the configuration some functions are unused
Bram Moolenaar <Bram@vim.org>
parents: 15543
diff changeset
2756 #endif
15306
7fff2d18e191 patch 8.1.0661: clipboard regexp might be used recursively
Bram Moolenaar <Bram@vim.org>
parents: 15211
diff changeset
2757
7fff2d18e191 patch 8.1.0661: clipboard regexp might be used recursively
Bram Moolenaar <Bram@vim.org>
parents: 15211
diff changeset
2758 /*
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2759 * Match a regexp against a string.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2760 * "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
2761 * 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
2762 * Uses curbuf for line count and 'iskeyword'.
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2763 * 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
2764 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2765 * 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
2766 */
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2767 static int
11529
998d2cf59caa patch 8.0.0647: syntax highlighting can make cause a freeze
Christian Brabandt <cb@256bit.org>
parents: 11527
diff changeset
2768 vim_regexec_string(
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2769 regmatch_T *rmp,
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2770 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
2771 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
2772 int nl)
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2773 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2774 int result;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2775 regexec_T rex_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2776 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
2777
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
2778 // 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
2779 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
2780 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15339
diff changeset
2781 emsg(_(e_recursive));
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
2782 return FALSE;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
2783 }
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
2784 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
2785
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2786 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
2787 // 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
2788 rex_save = rex;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2789 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
2790
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2791 rex.reg_startp = NULL;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2792 rex.reg_endp = NULL;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2793 rex.reg_startpos = NULL;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2794 rex.reg_endpos = NULL;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2795
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2796 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
2797 rmp->regprog->re_in_use = FALSE;
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2798
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2799 // 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
2800 if (rmp->regprog->re_engine == AUTOMATIC_ENGINE
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2801 && result == NFA_TOO_EXPENSIVE)
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2802 {
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2803 int save_p_re = p_re;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2804 int re_flags = rmp->regprog->re_flags;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2805 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
2806
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2807 p_re = BACKTRACKING_ENGINE;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2808 vim_regfree(rmp->regprog);
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2809 if (pat != NULL)
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2810 {
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2811 #ifdef FEAT_EVAL
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2812 report_re_switch(pat);
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2813 #endif
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2814 rmp->regprog = vim_regcomp(pat, re_flags);
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2815 if (rmp->regprog != NULL)
14358
72d506d94f3f patch 8.1.0194: possibly use of NULL pointer
Christian Brabandt <cb@256bit.org>
parents: 14354
diff changeset
2816 {
72d506d94f3f patch 8.1.0194: possibly use of NULL pointer
Christian Brabandt <cb@256bit.org>
parents: 14354
diff changeset
2817 rmp->regprog->re_in_use = TRUE;
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2818 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
2819 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
2820 }
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2821 vim_free(pat);
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2822 }
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2823
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2824 p_re = save_p_re;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2825 }
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2826
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2827 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
2828 if (rex_in_use)
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2829 rex = rex_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2830
6390
230b52b9d35e updated for version 7.4.526
Bram Moolenaar <bram@vim.org>
parents: 6375
diff changeset
2831 return result > 0;
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2832 }
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2833
6375
27a36d1013a6 updated for version 7.4.519
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
2834 /*
27a36d1013a6 updated for version 7.4.519
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
2835 * Note: "*prog" may be freed and changed.
6390
230b52b9d35e updated for version 7.4.526
Bram Moolenaar <bram@vim.org>
parents: 6375
diff changeset
2836 * 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
2837 */
27a36d1013a6 updated for version 7.4.519
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
2838 int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2839 vim_regexec_prog(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2840 regprog_T **prog,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2841 int ignore_case,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2842 char_u *line,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2843 colnr_T col)
6375
27a36d1013a6 updated for version 7.4.519
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
2844 {
11529
998d2cf59caa patch 8.0.0647: syntax highlighting can make cause a freeze
Christian Brabandt <cb@256bit.org>
parents: 11527
diff changeset
2845 int r;
998d2cf59caa patch 8.0.0647: syntax highlighting can make cause a freeze
Christian Brabandt <cb@256bit.org>
parents: 11527
diff changeset
2846 regmatch_T regmatch;
6375
27a36d1013a6 updated for version 7.4.519
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
2847
27a36d1013a6 updated for version 7.4.519
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
2848 regmatch.regprog = *prog;
27a36d1013a6 updated for version 7.4.519
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
2849 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
2850 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
2851 *prog = regmatch.regprog;
27a36d1013a6 updated for version 7.4.519
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
2852 return r;
27a36d1013a6 updated for version 7.4.519
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
2853 }
27a36d1013a6 updated for version 7.4.519
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
2854
27a36d1013a6 updated for version 7.4.519
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
2855 /*
27a36d1013a6 updated for version 7.4.519
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
2856 * 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
2857 * 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
2858 */
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2859 int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2860 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
2861 {
11529
998d2cf59caa patch 8.0.0647: syntax highlighting can make cause a freeze
Christian Brabandt <cb@256bit.org>
parents: 11527
diff changeset
2862 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
2863 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2864
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2865 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2866 * 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
2867 * 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
2868 * 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
2869 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2870 int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2871 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
2872 {
11529
998d2cf59caa patch 8.0.0647: syntax highlighting can make cause a freeze
Christian Brabandt <cb@256bit.org>
parents: 11527
diff changeset
2873 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
2874 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2875
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2876 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2877 * 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
2878 * "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
2879 * 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
2880 * Uses curbuf for line count and 'iskeyword'.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2881 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2882 * 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
2883 * match otherwise.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2884 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2885 long
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2886 vim_regexec_multi(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7807
diff changeset
2887 regmmatch_T *rmp,
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2888 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
2889 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
2890 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
2891 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
2892 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
2893 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
2894 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2895 int result;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2896 regexec_T rex_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2897 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
2898
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
2899 // 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
2900 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
2901 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15339
diff changeset
2902 emsg(_(e_recursive));
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
2903 return FALSE;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
2904 }
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14169
diff changeset
2905 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
2906
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2907 if (rex_in_use)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2908 // 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
2909 rex_save = rex;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2910 rex_in_use = TRUE;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2911
11521
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11482
diff changeset
2912 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
2913 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
2914 rmp->regprog->re_in_use = FALSE;
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2915
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18576
diff changeset
2916 // 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
2917 if (rmp->regprog->re_engine == AUTOMATIC_ENGINE
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2918 && result == NFA_TOO_EXPENSIVE)
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2919 {
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2920 int save_p_re = p_re;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2921 int re_flags = rmp->regprog->re_flags;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2922 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
2923
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2924 p_re = BACKTRACKING_ENGINE;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2925 vim_regfree(rmp->regprog);
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2926 if (pat != NULL)
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2927 {
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2928 #ifdef FEAT_EVAL
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2929 report_re_switch(pat);
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2930 #endif
14169
42a9178374d1 patch 8.1.0102: cannot build without syntax highlighting
Christian Brabandt <cb@256bit.org>
parents: 14161
diff changeset
2931 #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
2932 // 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
2933 // 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
2934 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
2935 #endif
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2936 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
2937 #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
2938 reg_do_extmatch = 0;
14169
42a9178374d1 patch 8.1.0102: cannot build without syntax highlighting
Christian Brabandt <cb@256bit.org>
parents: 14161
diff changeset
2939 #endif
14161
7cac4646c552 patch 8.1.0098: segfault when pattern with z() is very slow
Christian Brabandt <cb@256bit.org>
parents: 13286
diff changeset
2940
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2941 if (rmp->regprog != NULL)
14358
72d506d94f3f patch 8.1.0194: possibly use of NULL pointer
Christian Brabandt <cb@256bit.org>
parents: 14354
diff changeset
2942 {
72d506d94f3f patch 8.1.0194: possibly use of NULL pointer
Christian Brabandt <cb@256bit.org>
parents: 14354
diff changeset
2943 rmp->regprog->re_in_use = TRUE;
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2944 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
2945 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
2946 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
2947 }
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2948 vim_free(pat);
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2949 }
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2950 p_re = save_p_re;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2951 }
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6203
diff changeset
2952
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2953 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
2954 if (rex_in_use)
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2955 rex = rex_save;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10187
diff changeset
2956
6390
230b52b9d35e updated for version 7.4.526
Bram Moolenaar <bram@vim.org>
parents: 6375
diff changeset
2957 return result <= 0 ? 0 : result;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents: 4244
diff changeset
2958 }