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Added tag v9.1.0391 for changeset 219a779511feb93e76ff0f74718c609ebad6c7f6
author Christian Brabandt <cb@256bit.org>
date Fri, 03 May 2024 18:30:17 +0200
parents 1629cc65d78d
children
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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 * VIM - Vi IMproved by Bram Moolenaar
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4 *
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5 * Do ":help uganda" in Vim to read copying and usage conditions.
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6 * Do ":help credits" in Vim to see a list of people who contributed.
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7 */
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8
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9 /*
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10 * macros.h: macro definitions for often used code
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11 *
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12 * Macros should be ALL_CAPS. An exception is for where a function is
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13 * replaced and an argument is not used more than once.
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14 */
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15
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16 /*
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17 * Position comparisons
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18 */
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19 #define LT_POS(a, b) (((a).lnum != (b).lnum) \
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20 ? (a).lnum < (b).lnum \
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21 : (a).col != (b).col \
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22 ? (a).col < (b).col \
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23 : (a).coladd < (b).coladd)
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24 #define LT_POSP(a, b) (((a)->lnum != (b)->lnum) \
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25 ? (a)->lnum < (b)->lnum \
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26 : (a)->col != (b)->col \
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27 ? (a)->col < (b)->col \
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28 : (a)->coladd < (b)->coladd)
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29 #define EQUAL_POS(a, b) (((a).lnum == (b).lnum) && ((a).col == (b).col) && ((a).coladd == (b).coladd))
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30 #define CLEAR_POS(a) do {(a)->lnum = 0; (a)->col = 0; (a)->coladd = 0;} while (0)
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31 #define EMPTY_POS(a) ((a).lnum == 0 && (a).col == 0 && (a).coladd == 0)
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32
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33 #define LTOREQ_POS(a, b) (LT_POS(a, b) || EQUAL_POS(a, b))
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34
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35 /*
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36 * VIM_ISWHITE() differs from isspace() because it doesn't include <CR> and
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37 * <LF> and the like.
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38 */
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39 #define VIM_ISWHITE(x) ((x) == ' ' || (x) == '\t')
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40 #define IS_WHITE_OR_NUL(x) ((x) == ' ' || (x) == '\t' || (x) == NUL)
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41 #define IS_WHITE_NL_OR_NUL(x) ((x) == ' ' || (x) == '\t' || (x) == '\n' || (x) == NUL)
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42
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43 /*
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44 * LINEEMPTY() - return TRUE if the line is empty
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45 */
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46 #define LINEEMPTY(p) (*ml_get(p) == NUL)
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47
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48 /*
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49 * BUFEMPTY() - return TRUE if the current buffer is empty
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50 */
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51 #define BUFEMPTY() (curbuf->b_ml.ml_line_count == 1 && *ml_get((linenr_T)1) == NUL)
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52
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53 // The is*() and to*() functions declared in <ctype.h> have
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54 // undefined behavior for values other than EOF outside the range of
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55 // unsigned char. If plain char is signed, a call with a negative
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56 // value has undefined behavior. These macros cast the argument to
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57 // unsigned char. (Most implementations behave more or less sanely
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58 // with negative values, and most character values in practice are
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59 // positive, but we want to avoid undefined behavior anyway.)
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60 #define SAFE_isalnum(c) (isalnum ((unsigned char)(c)))
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61 #define SAFE_isalpha(c) (isalpha ((unsigned char)(c)))
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62 #define SAFE_isblank(c) (isblank ((unsigned char)(c)))
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63 #define SAFE_iscntrl(c) (iscntrl ((unsigned char)(c)))
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64 #define SAFE_isdigit(c) (isdigit ((unsigned char)(c)))
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65 #define SAFE_isgraph(c) (isgraph ((unsigned char)(c)))
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66 #define SAFE_islower(c) (islower ((unsigned char)(c)))
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67 #define SAFE_isprint(c) (isprint ((unsigned char)(c)))
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68 #define SAFE_ispunct(c) (ispunct ((unsigned char)(c)))
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69 #define SAFE_isspace(c) (isspace ((unsigned char)(c)))
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70 #define SAFE_isupper(c) (isupper ((unsigned char)(c)))
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71 #define SAFE_isxdigit(c) (isxdigit((unsigned char)(c)))
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72 #define SAFE_tolower(c) (tolower ((unsigned char)(c)))
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73 #define SAFE_toupper(c) (toupper ((unsigned char)(c)))
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74
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75 /*
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76 * toupper() and tolower() that use the current locale.
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77 * On some systems toupper()/tolower() only work on lower/uppercase
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78 * characters, first use islower() or isupper() then.
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79 * Careful: Only call TOUPPER_LOC() and TOLOWER_LOC() with a character in the
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80 * range 0 - 255. toupper()/tolower() on some systems can't handle others.
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81 * Note: It is often better to use MB_TOLOWER() and MB_TOUPPER(), because many
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82 * toupper() and tolower() implementations only work for ASCII.
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83 */
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84 #ifdef MSWIN
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85 # define TOUPPER_LOC(c) toupper_tab[(c) & 255]
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86 # define TOLOWER_LOC(c) tolower_tab[(c) & 255]
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87 #else
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88 # ifdef BROKEN_TOUPPER
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89 # define TOUPPER_LOC(c) (SAFE_islower(c) ? SAFE_toupper(c) : (c))
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90 # define TOLOWER_LOC(c) (SAFE_isupper(c) ? SAFE_tolower(c) : (c))
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91 # else
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92 # define TOUPPER_LOC SAFE_toupper
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93 # define TOLOWER_LOC SAFE_tolower
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94 # endif
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95 #endif
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96
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97 // toupper() and tolower() for ASCII only and ignore the current locale.
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98 #define TOUPPER_ASC(c) (((c) < 'a' || (c) > 'z') ? (c) : (c) - ('a' - 'A'))
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99 #define TOLOWER_ASC(c) (((c) < 'A' || (c) > 'Z') ? (c) : (c) + ('a' - 'A'))
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100
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101 /*
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102 * MB_ISLOWER() and MB_ISUPPER() are to be used on multi-byte characters. But
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103 * don't use them for negative values!
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104 */
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105 #define MB_ISLOWER(c) vim_islower(c)
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106 #define MB_ISUPPER(c) vim_isupper(c)
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107 #define MB_TOLOWER(c) vim_tolower(c)
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108 #define MB_TOUPPER(c) vim_toupper(c)
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109 #define MB_CASEFOLD(c) (enc_utf8 ? utf_fold(c) : MB_TOLOWER(c))
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110
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111 // Use our own isdigit() replacement, because on MS-Windows isdigit() returns
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112 // non-zero for superscript 1. Also avoids that isdigit() crashes for numbers
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113 // below 0 and above 255.
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114 #define VIM_ISDIGIT(c) ((unsigned)(c) - '0' < 10)
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115
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116 // Like isalpha() but reject non-ASCII characters. Can't be used with a
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117 // special key (negative value).
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118 #define ASCII_ISLOWER(c) ((unsigned)(c) - 'a' < 26)
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119 #define ASCII_ISUPPER(c) ((unsigned)(c) - 'A' < 26)
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120 #define ASCII_ISALPHA(c) (ASCII_ISUPPER(c) || ASCII_ISLOWER(c))
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121 #define ASCII_ISALNUM(c) (ASCII_ISALPHA(c) || VIM_ISDIGIT(c))
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122
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123 // Returns empty string if it is NULL.
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124 #define EMPTY_IF_NULL(x) ((x) ? (x) : (char_u *)"")
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125
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126 #ifdef FEAT_LANGMAP
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127 /*
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128 * Adjust chars in a language according to 'langmap' option.
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129 * NOTE that there is no noticeable overhead if 'langmap' is not set.
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130 * When set the overhead for characters < 256 is small.
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131 * Don't apply 'langmap' if the character comes from the Stuff buffer or from
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132 * a mapping and the langnoremap option was set.
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133 * The do-while is just to ignore a ';' after the macro.
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134 */
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135 # define LANGMAP_ADJUST(c, condition) \
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136 do { \
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137 if (*p_langmap \
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138 && (condition) \
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139 && (p_lrm || (!p_lrm && KeyTyped)) \
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140 && !KeyStuffed \
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141 && (c) >= 0) \
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142 { \
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143 if ((c) < 256) \
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144 c = langmap_mapchar[c]; \
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145 else \
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146 c = langmap_adjust_mb(c); \
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147 } \
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148 } while (0)
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149 #else
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150 # define LANGMAP_ADJUST(c, condition) // nop
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151 #endif
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152
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153 /*
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154 * VIM_ISBREAK() is used very often if 'linebreak' is set, use a macro to make
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155 * it work fast. Only works for single byte characters!
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156 */
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157 #define VIM_ISBREAK(c) ((c) < 256 && breakat_flags[(char_u)(c)])
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158
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159 /*
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160 * On VMS file names are different and require a translation.
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161 * On the Mac open() has only two arguments.
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162 */
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163 #ifdef VMS
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164 # define mch_access(n, p) access(vms_fixfilename(n), (p))
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165 // see mch_open() comment
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166 # define mch_fopen(n, p) fopen(vms_fixfilename(n), (p))
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167 # define mch_fstat(n, p) fstat((n), (p))
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168 # undef HAVE_LSTAT // VMS does not have lstat()
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169 # define mch_stat(n, p) stat(vms_fixfilename(n), (p))
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170 #else
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171 # ifndef MSWIN
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172 # define mch_access(n, p) access((n), (p))
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173 # endif
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174
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175 // Use 64-bit fstat function on MS-Windows.
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176 // NOTE: This condition is the same as for the stat_T type.
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177 # ifdef MSWIN
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178 # define mch_fstat(n, p) _fstat64((n), (p))
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179 # else
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180 # define mch_fstat(n, p) fstat((n), (p))
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181 # endif
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182
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183 # ifdef MSWIN // has its own mch_stat() function
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184 # define mch_stat(n, p) vim_stat((n), (p))
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185 # else
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186 # ifdef STAT_IGNORES_SLASH
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187 # define mch_stat(n, p) vim_stat((n), (p))
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188 # else
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189 # define mch_stat(n, p) stat((n), (p))
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190 # endif
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191 # endif
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192 #endif
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193
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194 #ifdef HAVE_LSTAT
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195 # define mch_lstat(n, p) lstat((n), (p))
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196 #else
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197 # define mch_lstat(n, p) mch_stat((n), (p))
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198 #endif
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199
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200 #ifdef VMS
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201 /*
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202 * It is possible to force some record format with:
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203 * # define mch_open(n, m, p) open(vms_fixfilename(n), (m), (p)), "rat=cr", "rfm=stmlf", "mrs=0")
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204 * but it is not recommended, because it can destroy indexes etc.
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205 */
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206 # define mch_open(n, m, p) open(vms_fixfilename(n), (m), (p))
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207 #endif
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208
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209 // mch_open_rw(): invoke mch_open() with third argument for user R/W.
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210 #if defined(UNIX) || defined(VMS) // open in rw------- mode
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211 # define mch_open_rw(n, f) mch_open((n), (f), (mode_t)0600)
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212 #else
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213 # if defined(MSWIN) // open read/write
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214 # define mch_open_rw(n, f) mch_open((n), (f), S_IREAD | S_IWRITE)
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215 # else
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216 # define mch_open_rw(n, f) mch_open((n), (f), 0)
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217 # endif
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218 #endif
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219
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220 #ifdef STARTUPTIME
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221 # define TIME_MSG(s) do { if (time_fd != NULL) time_msg(s, NULL); } while (0)
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222 #else
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223 # define TIME_MSG(s) do { /**/ } while (0)
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224 #endif
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225
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226 #define REPLACE_NORMAL(s) (((s) & REPLACE_FLAG) && !((s) & VREPLACE_FLAG))
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227
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228 #ifdef FEAT_ARABIC
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229 # define ARABIC_CHAR(ch) (((ch) & 0xFF00) == 0x0600)
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230 # define UTF_COMPOSINGLIKE(p1, p2) utf_composinglike((p1), (p2))
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231 #else
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232 # define UTF_COMPOSINGLIKE(p1, p2) utf_iscomposing(utf_ptr2char(p2))
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233 #endif
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234
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235 #ifdef FEAT_RIGHTLEFT
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236 // Whether to draw the vertical bar on the right side of the cell.
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237 # define CURSOR_BAR_RIGHT (curwin->w_p_rl && (!(State & MODE_CMDLINE) || cmdmsg_rl))
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238 #endif
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239
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240 /*
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241 * MB_PTR_ADV(): advance a pointer to the next character, taking care of
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242 * multi-byte characters if needed.
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243 * MB_PTR_BACK(): backup a pointer to the previous character, taking care of
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244 * multi-byte characters if needed.
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245 * MB_COPY_CHAR(f, t): copy one char from "f" to "t" and advance the pointers.
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246 * PTR2CHAR(): get character from pointer.
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247 */
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248 // Advance multi-byte pointer, skip over composing chars.
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249 #define MB_PTR_ADV(p) p += (*mb_ptr2len)(p)
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250 // Advance multi-byte pointer, do not skip over composing chars.
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251 #define MB_CPTR_ADV(p) p += enc_utf8 ? utf_ptr2len(p) : (*mb_ptr2len)(p)
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252 // Backup multi-byte pointer. Only use with "p" > "s" !
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253 #define MB_PTR_BACK(s, p) p -= has_mbyte ? ((*mb_head_off)(s, (p) - 1) + 1) : 1
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254 // get length of multi-byte char, not including composing chars
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255 #define MB_CPTR2LEN(p) (enc_utf8 ? utf_ptr2len(p) : (*mb_ptr2len)(p))
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256
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257 #define MB_COPY_CHAR(f, t) do { if (has_mbyte) mb_copy_char(&(f), &(t)); else *(t)++ = *(f)++; } while (0)
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258 #define MB_CHARLEN(p) (has_mbyte ? mb_charlen(p) : (int)STRLEN(p))
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259 #define MB_CHAR2LEN(c) (has_mbyte ? mb_char2len(c) : 1)
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260 #define PTR2CHAR(p) (has_mbyte ? mb_ptr2char(p) : (int)*(p))
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261 #define MB_CHAR2BYTES(c, b) do { if (has_mbyte) (b) += (*mb_char2bytes)((c), (b)); else *(b)++ = (c); } while (0)
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262
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263 #ifdef FEAT_AUTOCHDIR
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264 # define DO_AUTOCHDIR do { if (p_acd) do_autochdir(); } while (0)
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265 #else
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266 # define DO_AUTOCHDIR do { /**/ } while (0)
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267 #endif
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268
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269 #define RESET_BINDING(wp) do { (wp)->w_p_scb = FALSE; (wp)->w_p_crb = FALSE; \
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270 } while (0)
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271
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272 #ifdef FEAT_DIFF
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273 # define PLINES_NOFILL(x) plines_nofill(x)
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274 # define PLINES_WIN_NOFILL(w, l, h) plines_win_nofill((w), (l), (h))
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275 #else
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276 # define PLINES_NOFILL(x) plines(x)
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277 # define PLINES_WIN_NOFILL(w, l, h) plines_win((w), (l), (h))
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278 #endif
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279
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280 #if defined(FEAT_JOB_CHANNEL) || defined(FEAT_CLIENTSERVER)
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281 # define MESSAGE_QUEUE
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282 #endif
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283
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284 #include <float.h>
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285 #if defined(HAVE_MATH_H)
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286 // for isnan() and isinf()
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287 # include <math.h>
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288 #endif
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289
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290 #if defined(FEAT_EVAL)
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291 # ifdef USING_FLOAT_STUFF
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292 # ifdef MSWIN
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293 # ifndef isnan
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294 # define isnan(x) _isnan(x)
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295 static __inline int isinf(double x)
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296 { return !_finite(x) && !_isnan(x); }
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297 # endif
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298 # else
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299 # ifndef HAVE_ISNAN
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300 static inline int isnan(double x)
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301 { return x != x; }
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302 # endif
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303 # ifndef HAVE_ISINF
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304 static inline int isinf(double x)
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305 { return !isnan(x) && isnan(x - x); }
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306 # endif
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307 # endif
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308 # if !defined(INFINITY)
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309 # if defined(DBL_MAX)
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310 # ifdef VMS
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311 # define INFINITY DBL_MAX
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312 # else
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313 # define INFINITY (DBL_MAX+DBL_MAX)
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314 # endif
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315 # else
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316 # define INFINITY (1.0 / 0.0)
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317 # endif
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318 # endif
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319 # if !defined(NAN)
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320 # define NAN (INFINITY-INFINITY)
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321 # endif
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322 # if !defined(DBL_EPSILON)
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323 # define DBL_EPSILON 2.2204460492503131e-16
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324 # endif
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325 # endif
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326 #endif
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327
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328 #ifdef FEAT_EVAL
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329 # define FUNCARG(fp, j) ((char_u **)(fp->uf_args.ga_data))[j]
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330 #endif
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331
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332 /*
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333 * In a hashtab item "hi_key" points to "di_key" in a dictitem.
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334 * This avoids adding a pointer to the hashtab item.
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335 * DI2HIKEY() converts a dictitem pointer to a hashitem key pointer.
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336 * HIKEY2DI() converts a hashitem key pointer to a dictitem pointer.
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337 * HI2DI() converts a hashitem pointer to a dictitem pointer.
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338 */
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339 #define DI2HIKEY(di) ((di)->di_key)
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340 #define HIKEY2DI(p) ((dictitem_T *)((p) - offsetof(dictitem_T, di_key)))
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341 #define HI2DI(hi) HIKEY2DI((hi)->hi_key)
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342
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343 /*
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344 * Flush control functions.
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345 */
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346 #ifdef FEAT_GUI
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347 # define mch_enable_flush() gui_enable_flush()
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348 # define mch_disable_flush() gui_disable_flush()
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349 #else
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350 # define mch_enable_flush()
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351 # define mch_disable_flush()
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352 #endif
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353
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354 /*
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355 * Like vim_free(), and also set the pointer to NULL.
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356 */
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357 #define VIM_CLEAR(p) \
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358 do { \
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359 if ((p) != NULL) \
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360 { \
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361 vim_free(p); \
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362 (p) = NULL; \
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363 } \
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364 } while (0)
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365
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366 // Whether a command index indicates a user command.
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367 #define IS_USER_CMDIDX(idx) ((int)(idx) < 0)
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368
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369 // Give an error in curwin is a popup window and evaluate to TRUE.
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370 #ifdef FEAT_PROP_POPUP
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371 # define WIN_IS_POPUP(wp) ((wp)->w_popup_flags != 0)
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372 # define ERROR_IF_POPUP_WINDOW error_if_popup_window(FALSE)
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373 # define ERROR_IF_ANY_POPUP_WINDOW error_if_popup_window(TRUE)
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374 #else
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375 # define WIN_IS_POPUP(wp) 0
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376 # define ERROR_IF_POPUP_WINDOW 0
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377 # define ERROR_IF_ANY_POPUP_WINDOW 0
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378 #endif
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379 #if defined(FEAT_PROP_POPUP) && defined(FEAT_TERMINAL)
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380 # define ERROR_IF_TERM_POPUP_WINDOW error_if_term_popup_window()
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381 #else
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382 # define ERROR_IF_TERM_POPUP_WINDOW 0
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383 #endif
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384
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385
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386 #ifdef ABORT_ON_INTERNAL_ERROR
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387 # define ESTACK_CHECK_DECLARATION int estack_len_before
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388 # define ESTACK_CHECK_SETUP do { estack_len_before = exestack.ga_len; } while (0)
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389 # define ESTACK_CHECK_NOW \
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390 do { \
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391 if (estack_len_before != exestack.ga_len) \
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392 siemsg("Exestack length expected: %d, actual: %d", estack_len_before, exestack.ga_len); \
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393 } while (0)
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394 # define CHECK_CURBUF \
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395 do { \
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396 if (curwin != NULL && curwin->w_buffer != curbuf) \
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397 iemsg("curbuf != curwin->w_buffer"); \
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398 } while (0)
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399 #else
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400 # define ESTACK_CHECK_DECLARATION do { /**/ } while (0)
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401 # define ESTACK_CHECK_SETUP do { /**/ } while (0)
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402 # define ESTACK_CHECK_NOW do { /**/ } while (0)
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403 # define CHECK_CURBUF do { /**/ } while (0)
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404 #endif
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405
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406 // Inline the condition for performance.
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407 #define CHECK_LIST_MATERIALIZE(l) \
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408 do { \
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409 if ((l)->lv_first == &range_list_item) \
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410 range_list_materialize(l); \
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411 } while (0)
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412
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413 // Inlined version of ga_grow() with optimized condition that it fails.
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414 #define GA_GROW_FAILS(gap, n) unlikely((((gap)->ga_maxlen - (gap)->ga_len < (n)) ? ga_grow_inner((gap), (n)) : OK) == FAIL)
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415 // Inlined version of ga_grow() with optimized condition that it succeeds.
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416 #define GA_GROW_OK(gap, n) likely((((gap)->ga_maxlen - (gap)->ga_len < (n)) ? ga_grow_inner((gap), (n)) : OK) == OK)
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417
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418 #ifndef MIN
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419 # define MIN(a, b) ((a) < (b) ? (a) : (b))
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420 #endif
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421 #ifndef MAX
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422 # define MAX(a, b) ((a) > (b) ? (a) : (b))
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423 #endif
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424
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425 // Length of the array.
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426 #define ARRAY_LENGTH(a) (sizeof(a) / sizeof((a)[0]))
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427
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428 #ifdef FEAT_MENU
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429 #define FOR_ALL_MENUS(m) \
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430 for ((m) = root_menu; (m) != NULL; (m) = (m)->next)
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431 #define FOR_ALL_CHILD_MENUS(p, c) \
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432 for ((c) = (p)->children; (c) != NULL; (c) = (c)->next)
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433 #endif
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434
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435 #define FOR_ALL_WINDOWS(wp) \
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436 for ((wp) = firstwin; (wp) != NULL; (wp) = (wp)->w_next)
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437 #define FOR_ALL_FRAMES(frp, first_frame) \
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438 for ((frp) = first_frame; (frp) != NULL; (frp) = (frp)->fr_next)
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439 #define FOR_ALL_TABPAGES(tp) \
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440 for ((tp) = first_tabpage; (tp) != NULL; (tp) = (tp)->tp_next)
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441 #define FOR_ALL_WINDOWS_IN_TAB(tp, wp) \
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442 for ((wp) = ((tp) == NULL || (tp) == curtab) \
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443 ? firstwin : (tp)->tp_firstwin; (wp); (wp) = (wp)->w_next)
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444 /*
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445 * When using this macro "break" only breaks out of the inner loop. Use "goto"
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446 * to break out of the tabpage loop.
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447 */
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448 #define FOR_ALL_TAB_WINDOWS(tp, wp) \
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449 for ((tp) = first_tabpage; (tp) != NULL; (tp) = (tp)->tp_next) \
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450 for ((wp) = ((tp) == curtab) \
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451 ? firstwin : (tp)->tp_firstwin; (wp); (wp) = (wp)->w_next)
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452
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453 #define FOR_ALL_POPUPWINS(wp) \
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454 for ((wp) = first_popupwin; (wp) != NULL; (wp) = (wp)->w_next)
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diff changeset
455 #define FOR_ALL_POPUPWINS_IN_TAB(tp, wp) \
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456 for ((wp) = (tp)->tp_first_popupwin; (wp) != NULL; (wp) = (wp)->w_next)
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diff changeset
457
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458 #define FOR_ALL_BUFFERS(buf) \
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459 for ((buf) = firstbuf; (buf) != NULL; (buf) = (buf)->b_next)
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460
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461 #define FOR_ALL_BUF_WININFO(buf, wip) \
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462 for ((wip) = (buf)->b_wininfo; (wip) != NULL; (wip) = (wip)->wi_next)
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463
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464 // Iterate through all the signs placed in a buffer
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465 #define FOR_ALL_SIGNS_IN_BUF(buf, sign) \
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466 for ((sign) = (buf)->b_signlist; (sign) != NULL; (sign) = (sign)->se_next)
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467
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468 #ifdef FEAT_SPELL
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469 #define FOR_ALL_SPELL_LANGS(slang) \
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470 for ((slang) = first_lang; (slang) != NULL; (slang) = (slang)->sl_next)
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471 #endif
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472
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473 // Iterate over all the items in a List
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474 #define FOR_ALL_LIST_ITEMS(l, li) \
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475 for ((li) = (l) == NULL ? NULL : (l)->lv_first; (li) != NULL; (li) = (li)->li_next)
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476
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477 // Iterate over all the items in a hash table
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478 #define FOR_ALL_HASHTAB_ITEMS(ht, hi, todo) \
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479 for ((hi) = (ht)->ht_array; (todo) > 0; ++(hi))