Mercurial > vim
annotate src/macros.h @ 15618:2da95c8f550d
Added tag v8.1.0816 for changeset c91618229f99ed0c423b00bce1bcc185ca56d2d6
author | Bram Moolenaar <Bram@vim.org> |
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date | Thu, 24 Jan 2019 22:30:06 +0100 |
parents | 62b3805506b3 |
children | 6f1c7e9a6393 |
rev | line source |
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1 /* vi:set ts=8 sts=4 sw=4 noet: |
7 | 2 * |
3 * VIM - Vi IMproved by Bram Moolenaar | |
4 * | |
5 * Do ":help uganda" in Vim to read copying and usage conditions. | |
6 * Do ":help credits" in Vim to see a list of people who contributed. | |
7 */ | |
8 | |
9 /* | |
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. |
7 | 14 */ |
15 | |
16 /* | |
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17 * PBYTE(lp, c) - put byte 'c' at position 'lp' |
7 | 18 */ |
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19 #define PBYTE(lp, c) (*(ml_get_buf(curbuf, (lp).lnum, TRUE) + (lp).col) = (c)) |
7 | 20 |
21 /* | |
22 * Position comparisons | |
23 */ | |
24 #ifdef FEAT_VIRTUALEDIT | |
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25 # define LT_POS(a, b) (((a).lnum != (b).lnum) \ |
7 | 26 ? (a).lnum < (b).lnum \ |
27 : (a).col != (b).col \ | |
28 ? (a).col < (b).col \ | |
29 : (a).coladd < (b).coladd) | |
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30 # define LT_POSP(a, b) (((a)->lnum != (b)->lnum) \ |
7 | 31 ? (a)->lnum < (b)->lnum \ |
32 : (a)->col != (b)->col \ | |
33 ? (a)->col < (b)->col \ | |
34 : (a)->coladd < (b)->coladd) | |
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35 # define EQUAL_POS(a, b) (((a).lnum == (b).lnum) && ((a).col == (b).col) && ((a).coladd == (b).coladd)) |
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36 # define CLEAR_POS(a) {(a)->lnum = 0; (a)->col = 0; (a)->coladd = 0;} |
7 | 37 #else |
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38 # define LT_POS(a, b) (((a).lnum != (b).lnum) \ |
7 | 39 ? ((a).lnum < (b).lnum) : ((a).col < (b).col)) |
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40 # define LT_POSP(a, b) (((a)->lnum != (b)->lnum) \ |
7 | 41 ? ((a)->lnum < (b)->lnum) : ((a)->col < (b)->col)) |
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42 # define EQUAL_POS(a, b) (((a).lnum == (b).lnum) && ((a).col == (b).col)) |
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43 # define CLEAR_POS(a) {(a)->lnum = 0; (a)->col = 0;} |
7 | 44 #endif |
45 | |
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46 #define LTOREQ_POS(a, b) (LT_POS(a, b) || EQUAL_POS(a, b)) |
7 | 47 |
48 /* | |
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49 * VIM_ISWHITE() is used for "^" and the like. It differs from isspace() |
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50 * because it doesn't include <CR> and <LF> and the like. |
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51 */ |
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52 #define VIM_ISWHITE(x) ((x) == ' ' || (x) == '\t') |
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53 |
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54 /* |
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55 * LINEEMPTY() - return TRUE if the line is empty |
7 | 56 */ |
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57 #define LINEEMPTY(p) (*ml_get(p) == NUL) |
7 | 58 |
59 /* | |
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60 * BUFEMPTY() - return TRUE if the current buffer is empty |
7 | 61 */ |
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62 #define BUFEMPTY() (curbuf->b_ml.ml_line_count == 1 && *ml_get((linenr_T)1) == NUL) |
7 | 63 |
64 /* | |
65 * toupper() and tolower() that use the current locale. | |
1365 | 66 * On some systems toupper()/tolower() only work on lower/uppercase |
67 * characters, first use islower() or isupper() then. | |
7 | 68 * Careful: Only call TOUPPER_LOC() and TOLOWER_LOC() with a character in the |
69 * range 0 - 255. toupper()/tolower() on some systems can't handle others. | |
1365 | 70 * Note: It is often better to use MB_TOLOWER() and MB_TOUPPER(), because many |
71 * toupper() and tolower() implementations only work for ASCII. | |
7 | 72 */ |
73 #ifdef MSWIN | |
74 # define TOUPPER_LOC(c) toupper_tab[(c) & 255] | |
75 # define TOLOWER_LOC(c) tolower_tab[(c) & 255] | |
76 #else | |
77 # ifdef BROKEN_TOUPPER | |
78 # define TOUPPER_LOC(c) (islower(c) ? toupper(c) : (c)) | |
79 # define TOLOWER_LOC(c) (isupper(c) ? tolower(c) : (c)) | |
80 # else | |
81 # define TOUPPER_LOC toupper | |
82 # define TOLOWER_LOC tolower | |
83 # endif | |
84 #endif | |
85 | |
86 /* toupper() and tolower() for ASCII only and ignore the current locale. */ | |
87 #ifdef EBCDIC | |
88 # define TOUPPER_ASC(c) (islower(c) ? toupper(c) : (c)) | |
89 # define TOLOWER_ASC(c) (isupper(c) ? tolower(c) : (c)) | |
90 #else | |
91 # define TOUPPER_ASC(c) (((c) < 'a' || (c) > 'z') ? (c) : (c) - ('a' - 'A')) | |
92 # define TOLOWER_ASC(c) (((c) < 'A' || (c) > 'Z') ? (c) : (c) + ('a' - 'A')) | |
93 #endif | |
94 | |
95 /* | |
96 * MB_ISLOWER() and MB_ISUPPER() are to be used on multi-byte characters. But | |
492 | 97 * don't use them for negative values! |
7 | 98 */ |
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99 #define MB_ISLOWER(c) vim_islower(c) |
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100 #define MB_ISUPPER(c) vim_isupper(c) |
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101 #define MB_TOLOWER(c) vim_tolower(c) |
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102 #define MB_TOUPPER(c) vim_toupper(c) |
7 | 103 |
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104 /* Use our own isdigit() replacement, because on MS-Windows isdigit() returns |
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105 * non-zero for superscript 1. Also avoids that isdigit() crashes for numbers |
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106 * below 0 and above 255. */ |
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107 #define VIM_ISDIGIT(c) ((unsigned)(c) - '0' < 10) |
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108 |
7 | 109 /* Like isalpha() but reject non-ASCII characters. Can't be used with a |
110 * special key (negative value). */ | |
111 #ifdef EBCDIC | |
112 # define ASCII_ISALPHA(c) isalpha(c) | |
113 # define ASCII_ISALNUM(c) isalnum(c) | |
114 # define ASCII_ISLOWER(c) islower(c) | |
115 # define ASCII_ISUPPER(c) isupper(c) | |
116 #else | |
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117 # define ASCII_ISLOWER(c) ((unsigned)(c) - 'a' < 26) |
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118 # define ASCII_ISUPPER(c) ((unsigned)(c) - 'A' < 26) |
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119 # define ASCII_ISALPHA(c) (ASCII_ISUPPER(c) || ASCII_ISLOWER(c)) |
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120 # define ASCII_ISALNUM(c) (ASCII_ISALPHA(c) || VIM_ISDIGIT(c)) |
7 | 121 #endif |
122 | |
6909 | 123 /* Returns empty string if it is NULL. */ |
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124 #define EMPTY_IF_NULL(x) ((x) ? (x) : (char_u *)"") |
6909 | 125 |
7 | 126 #ifdef FEAT_LANGMAP |
127 /* | |
128 * Adjust chars in a language according to 'langmap' option. | |
1811 | 129 * NOTE that there is no noticeable overhead if 'langmap' is not set. |
130 * When set the overhead for characters < 256 is small. | |
6339 | 131 * Don't apply 'langmap' if the character comes from the Stuff buffer or from |
132 * a mapping and the langnoremap option was set. | |
7 | 133 * The do-while is just to ignore a ';' after the macro. |
134 */ | |
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135 # define LANGMAP_ADJUST(c, condition) \ |
1811 | 136 do { \ |
6339 | 137 if (*p_langmap \ |
138 && (condition) \ | |
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139 && (p_lrm || (!p_lrm && KeyTyped)) \ |
6339 | 140 && !KeyStuffed \ |
141 && (c) >= 0) \ | |
1811 | 142 { \ |
143 if ((c) < 256) \ | |
144 c = langmap_mapchar[c]; \ | |
145 else \ | |
146 c = langmap_adjust_mb(c); \ | |
147 } \ | |
7 | 148 } while (0) |
1811 | 149 #else |
150 # define LANGMAP_ADJUST(c, condition) /* nop */ | |
7 | 151 #endif |
152 | |
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! |
7 | 156 */ |
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157 #define VIM_ISBREAK(c) ((c) < 256 && breakat_flags[(char_u)(c)]) |
7 | 158 |
159 /* | |
160 * On VMS file names are different and require a translation. | |
161 * On the Mac open() has only two arguments. | |
162 */ | |
163 #ifdef VMS | |
164 # define mch_access(n, p) access(vms_fixfilename(n), (p)) | |
165 /* see mch_open() comment */ | |
166 # define mch_fopen(n, p) fopen(vms_fixfilename(n), (p)) | |
167 # define mch_fstat(n, p) fstat(vms_fixfilename(n), (p)) | |
168 /* VMS does not have lstat() */ | |
169 # define mch_stat(n, p) stat(vms_fixfilename(n), (p)) | |
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170 # define mch_rmdir(n) rmdir(vms_fixfilename(n)) |
7 | 171 #else |
172 # ifndef WIN32 | |
173 # define mch_access(n, p) access((n), (p)) | |
174 # endif | |
175 # define mch_fstat(n, p) fstat((n), (p)) | |
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176 # ifdef MSWIN /* has its own mch_stat() function */ |
7 | 177 # define mch_stat(n, p) vim_stat((n), (p)) |
178 # else | |
179 # ifdef STAT_IGNORES_SLASH | |
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180 # define mch_stat(n, p) vim_stat((n), (p)) |
7 | 181 # else |
182 # define mch_stat(n, p) stat((n), (p)) | |
183 # endif | |
184 # endif | |
185 #endif | |
186 | |
21 | 187 #ifdef HAVE_LSTAT |
188 # define mch_lstat(n, p) lstat((n), (p)) | |
189 #else | |
190 # define mch_lstat(n, p) mch_stat((n), (p)) | |
191 #endif | |
192 | |
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193 #ifdef VMS |
7 | 194 /* |
195 * It is possible to force some record format with: | |
196 * # define mch_open(n, m, p) open(vms_fixfilename(n), (m), (p)), "rat=cr", "rfm=stmlf", "mrs=0") | |
1199 | 197 * but it is not recommended, because it can destroy indexes etc. |
7 | 198 */ |
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199 # define mch_open(n, m, p) open(vms_fixfilename(n), (m), (p)) |
7 | 200 #endif |
201 | |
202 /* mch_open_rw(): invoke mch_open() with third argument for user R/W. */ | |
203 #if defined(UNIX) || defined(VMS) /* open in rw------- mode */ | |
204 # define mch_open_rw(n, f) mch_open((n), (f), (mode_t)0600) | |
205 #else | |
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206 # if defined(MSWIN) /* open read/write */ |
7 | 207 # define mch_open_rw(n, f) mch_open((n), (f), S_IREAD | S_IWRITE) |
208 # else | |
209 # define mch_open_rw(n, f) mch_open((n), (f), 0) | |
210 # endif | |
211 #endif | |
212 | |
213 #ifdef STARTUPTIME | |
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214 # define TIME_MSG(s) do { if (time_fd != NULL) time_msg(s, NULL); } while (0) |
7 | 215 #else |
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216 # define TIME_MSG(s) do { /**/ } while (0) |
7 | 217 #endif |
218 | |
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219 #define REPLACE_NORMAL(s) (((s) & REPLACE_FLAG) && !((s) & VREPLACE_FLAG)) |
7 | 220 |
221 #ifdef FEAT_ARABIC | |
222 # define UTF_COMPOSINGLIKE(p1, p2) utf_composinglike((p1), (p2)) | |
223 #else | |
224 # define UTF_COMPOSINGLIKE(p1, p2) utf_iscomposing(utf_ptr2char(p2)) | |
225 #endif | |
226 | |
227 #ifdef FEAT_RIGHTLEFT | |
228 /* Whether to draw the vertical bar on the right side of the cell. */ | |
229 # define CURSOR_BAR_RIGHT (curwin->w_p_rl && (!(State & CMDLINE) || cmdmsg_rl)) | |
230 #endif | |
13 | 231 |
39 | 232 /* |
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233 * MB_PTR_ADV(): advance a pointer to the next character, taking care of |
39 | 234 * multi-byte characters if needed. |
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235 * MB_PTR_BACK(): backup a pointer to the previous character, taking care of |
39 | 236 * multi-byte characters if needed. |
98 | 237 * MB_COPY_CHAR(f, t): copy one char from "f" to "t" and advance the pointers. |
456 | 238 * PTR2CHAR(): get character from pointer. |
39 | 239 */ |
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240 /* Get the length of the character p points to, including composing chars */ |
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241 #define MB_PTR2LEN(p) (has_mbyte ? (*mb_ptr2len)(p) : 1) |
474 | 242 /* Advance multi-byte pointer, skip over composing chars. */ |
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243 #define MB_PTR_ADV(p) p += has_mbyte ? (*mb_ptr2len)(p) : 1 |
474 | 244 /* Advance multi-byte pointer, do not skip over composing chars. */ |
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245 #define MB_CPTR_ADV(p) p += enc_utf8 ? utf_ptr2len(p) : has_mbyte ? (*mb_ptr2len)(p) : 1 |
5905 | 246 /* Backup multi-byte pointer. Only use with "p" > "s" ! */ |
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247 #define MB_PTR_BACK(s, p) p -= has_mbyte ? ((*mb_head_off)(s, p - 1) + 1) : 1 |
474 | 248 /* get length of multi-byte char, not including composing chars */ |
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249 #define MB_CPTR2LEN(p) (enc_utf8 ? utf_ptr2len(p) : (*mb_ptr2len)(p)) |
474 | 250 |
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251 #define MB_COPY_CHAR(f, t) if (has_mbyte) mb_copy_char(&f, &t); else *t++ = *f++ |
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252 #define MB_CHARLEN(p) (has_mbyte ? mb_charlen(p) : (int)STRLEN(p)) |
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253 #define MB_CHAR2LEN(c) (has_mbyte ? mb_char2len(c) : 1) |
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254 #define PTR2CHAR(p) (has_mbyte ? mb_ptr2char(p) : (int)*(p)) |
961 | 255 |
256 #ifdef FEAT_AUTOCHDIR | |
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257 # define DO_AUTOCHDIR do { if (p_acd) do_autochdir(); } while (0) |
961 | 258 #else |
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259 # define DO_AUTOCHDIR do { /**/ } while (0) |
961 | 260 #endif |
2583 | 261 |
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262 #define RESET_BINDING(wp) (wp)->w_p_scb = FALSE; (wp)->w_p_crb = FALSE |
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263 |
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264 #ifdef FEAT_DIFF |
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265 # define PLINES_NOFILL(x) plines_nofill(x) |
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266 #else |
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267 # define PLINES_NOFILL(x) plines(x) |
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268 #endif |
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269 |
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270 #if defined(FEAT_JOB_CHANNEL) || defined(FEAT_CLIENTSERVER) |
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271 # define MESSAGE_QUEUE |
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272 #endif |
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273 |
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274 #if defined(FEAT_EVAL) && defined(FEAT_FLOAT) |
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275 # include <float.h> |
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276 # if defined(HAVE_MATH_H) |
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277 /* for isnan() and isinf() */ |
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278 # include <math.h> |
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279 # endif |
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280 # ifdef USING_FLOAT_STUFF |
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281 # if defined(WIN32) |
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282 # ifndef isnan |
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283 # define isnan(x) _isnan(x) |
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284 static __inline int isinf(double x) { return !_finite(x) && !_isnan(x); } |
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285 # endif |
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286 # else |
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287 # ifndef HAVE_ISNAN |
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288 static inline int isnan(double x) { return x != x; } |
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289 # endif |
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290 # ifndef HAVE_ISINF |
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291 static inline int isinf(double x) { return !isnan(x) && isnan(x - x); } |
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292 # endif |
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293 # endif |
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294 # if !defined(INFINITY) |
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295 # if defined(DBL_MAX) |
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296 # ifdef VMS |
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297 # define INFINITY DBL_MAX |
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298 # else |
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299 # define INFINITY (DBL_MAX+DBL_MAX) |
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300 # endif |
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301 # else |
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302 # define INFINITY (1.0 / 0.0) |
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303 # endif |
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304 # endif |
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305 # if !defined(NAN) |
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306 # define NAN (INFINITY-INFINITY) |
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307 # endif |
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308 # if !defined(DBL_EPSILON) |
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309 # define DBL_EPSILON 2.2204460492503131e-16 |
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310 # endif |
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311 # endif |
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312 #endif |
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313 |
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314 /* |
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315 * In a hashtab item "hi_key" points to "di_key" in a dictitem. |
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316 * This avoids adding a pointer to the hashtab item. |
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317 * DI2HIKEY() converts a dictitem pointer to a hashitem key pointer. |
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318 * HIKEY2DI() converts a hashitem key pointer to a dictitem pointer. |
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319 * HI2DI() converts a hashitem pointer to a dictitem pointer. |
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320 */ |
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321 #define DI2HIKEY(di) ((di)->di_key) |
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322 #define HIKEY2DI(p) ((dictitem_T *)(p - offsetof(dictitem_T, di_key))) |
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323 #define HI2DI(hi) HIKEY2DI((hi)->hi_key) |
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324 |
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325 /* |
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326 * Flush control functions. |
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327 */ |
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328 #ifdef FEAT_GUI |
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329 # define mch_enable_flush() gui_enable_flush() |
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330 # define mch_disable_flush() gui_disable_flush() |
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331 #else |
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332 # define mch_enable_flush() |
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333 # define mch_disable_flush() |
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334 #endif |
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335 |
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336 /* |
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337 * Like vim_free(), and also set the pointer to NULL. |
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338 */ |
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339 #define VIM_CLEAR(p) \ |
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340 do { \ |
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341 if ((p) != NULL) { \ |
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342 vim_free(p); \ |
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343 (p) = NULL; \ |
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344 } \ |
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345 } while (0) |