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comparison src/macros.h @ 7:3fc0f57ecb91 v7.0001

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updated for version 7.0001
author vimboss
date Sun, 13 Jun 2004 20:20:40 +0000
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children 24d5189d3956
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6:c2daee826b8f 7:3fc0f57ecb91
1 /* vi:set ts=8 sts=4 sw=4:
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
11 */
12
13 /*
14 * pchar(lp, c) - put character 'c' at position 'lp'
15 */
16 #define pchar(lp, c) (*(ml_get_buf(curbuf, (lp).lnum, TRUE) + (lp).col) = (c))
17
18 /*
19 * Position comparisons
20 */
21 #ifdef FEAT_VIRTUALEDIT
22 # define lt(a, b) (((a).lnum != (b).lnum) \
23 ? (a).lnum < (b).lnum \
24 : (a).col != (b).col \
25 ? (a).col < (b).col \
26 : (a).coladd < (b).coladd)
27 # define ltp(a, b) (((a)->lnum != (b)->lnum) \
28 ? (a)->lnum < (b)->lnum \
29 : (a)->col != (b)->col \
30 ? (a)->col < (b)->col \
31 : (a)->coladd < (b)->coladd)
32 # define equalpos(a, b) (((a).lnum == (b).lnum) && ((a).col == (b).col) && ((a).coladd == (b).coladd))
33 #else
34 # define lt(a, b) (((a).lnum != (b).lnum) \
35 ? ((a).lnum < (b).lnum) : ((a).col < (b).col))
36 # define ltp(a, b) (((a)->lnum != (b)->lnum) \
37 ? ((a)->lnum < (b)->lnum) : ((a)->col < (b)->col))
38 # define equalpos(a, b) (((a).lnum == (b).lnum) && ((a).col == (b).col))
39 #endif
40
41 #define ltoreq(a, b) (lt(a, b) || equalpos(a, b))
42
43 /*
44 * lineempty() - return TRUE if the line is empty
45 */
46 #define lineempty(p) (*ml_get(p) == NUL)
47
48 /*
49 * bufempty() - return TRUE if the current buffer is empty
50 */
51 #define bufempty() (curbuf->b_ml.ml_line_count == 1 && *ml_get((linenr_T)1) == NUL)
52
53 /*
54 * toupper() and tolower() that use the current locale.
55 * On some systems toupper()/tolower() only work on lower/uppercase characters
56 * Careful: Only call TOUPPER_LOC() and TOLOWER_LOC() with a character in the
57 * range 0 - 255. toupper()/tolower() on some systems can't handle others.
58 * Note: for UTF-8 use utf_toupper() and utf_tolower().
59 */
60 #ifdef MSWIN
61 # define TOUPPER_LOC(c) toupper_tab[(c) & 255]
62 # define TOLOWER_LOC(c) tolower_tab[(c) & 255]
63 #else
64 # ifdef BROKEN_TOUPPER
65 # define TOUPPER_LOC(c) (islower(c) ? toupper(c) : (c))
66 # define TOLOWER_LOC(c) (isupper(c) ? tolower(c) : (c))
67 # else
68 # define TOUPPER_LOC toupper
69 # define TOLOWER_LOC tolower
70 # endif
71 #endif
72
73 /* toupper() and tolower() for ASCII only and ignore the current locale. */
74 #ifdef EBCDIC
75 # define TOUPPER_ASC(c) (islower(c) ? toupper(c) : (c))
76 # define TOLOWER_ASC(c) (isupper(c) ? tolower(c) : (c))
77 #else
78 # define TOUPPER_ASC(c) (((c) < 'a' || (c) > 'z') ? (c) : (c) - ('a' - 'A'))
79 # define TOLOWER_ASC(c) (((c) < 'A' || (c) > 'Z') ? (c) : (c) + ('a' - 'A'))
80 #endif
81
82 /*
83 * MB_ISLOWER() and MB_ISUPPER() are to be used on multi-byte characters. But
84 * don't use them for negative values.
85 */
86 #ifdef FEAT_MBYTE
87 # define MB_ISLOWER(c) (enc_utf8 && (c) > 0x80 ? utf_islower(c) : (has_mbyte && c > 255 ? FALSE : islower(c)))
88 # define MB_ISUPPER(c) (enc_utf8 && (c) > 0x80 ? utf_isupper(c) : (has_mbyte && c > 255 ? FALSE : isupper(c)))
89 # define MB_TOLOWER(c) (enc_utf8 && (c) > 0x80 ? utf_tolower(c) : (has_mbyte && c > 255 ? c : TOLOWER_LOC(c)))
90 # define MB_TOUPPER(c) (enc_utf8 && (c) > 0x80 ? utf_toupper(c) : (has_mbyte && c > 255 ? c : TOUPPER_LOC(c)))
91 #else
92 # define MB_ISLOWER(c) islower(c)
93 # define MB_ISUPPER(c) isupper(c)
94 # define MB_TOLOWER(c) TOLOWER_LOC(c)
95 # define MB_TOUPPER(c) TOUPPER_LOC(c)
96 #endif
97
98 /* Like isalpha() but reject non-ASCII characters. Can't be used with a
99 * special key (negative value). */
100 #ifdef EBCDIC
101 # define ASCII_ISALPHA(c) isalpha(c)
102 # define ASCII_ISALNUM(c) isalnum(c)
103 # define ASCII_ISLOWER(c) islower(c)
104 # define ASCII_ISUPPER(c) isupper(c)
105 #else
106 # define ASCII_ISALPHA(c) ((c) < 0x7f && isalpha(c))
107 # define ASCII_ISALNUM(c) ((c) < 0x7f && isalnum(c))
108 # define ASCII_ISLOWER(c) ((c) < 0x7f && islower(c))
109 # define ASCII_ISUPPER(c) ((c) < 0x7f && isupper(c))
110 #endif
111
112 /* Use our own isdigit() replacement, because on MS-Windows isdigit() returns
113 * non-zero for superscript 1. Also avoids that isdigit() crashes for numbers
114 * below 0 and above 255. For complicated arguments and in/decrement use
115 * vim_isdigit() instead. */
116 #define VIM_ISDIGIT(c) ((c) >= '0' && (c) <= '9')
117
118 /* macro version of chartab().
119 * Only works with values 0-255!
120 * Doesn't work for UTF-8 mode with chars >= 0x80. */
121 #define CHARSIZE(c) (chartab[c] & CT_CELL_MASK)
122
123 #ifdef FEAT_LANGMAP
124 /*
125 * Adjust chars in a language according to 'langmap' option.
126 * NOTE that there is NO overhead if 'langmap' is not set; but even
127 * when set we only have to do 2 ifs and an array lookup.
128 * Don't apply 'langmap' if the character comes from the Stuff buffer.
129 * The do-while is just to ignore a ';' after the macro.
130 */
131 # define LANGMAP_ADJUST(c, condition) do { \
132 if (*p_langmap && (condition) && !KeyStuffed && (c) >= 0 && (c) < 256) \
133 c = langmap_mapchar[c]; \
134 } while (0)
135 #endif
136
137 /*
138 * vim_isbreak() is used very often if 'linebreak' is set, use a macro to make
139 * it work fast.
140 */
141 #define vim_isbreak(c) (breakat_flags[(char_u)(c)])
142
143 /*
144 * On VMS file names are different and require a translation.
145 * On the Mac open() has only two arguments.
146 */
147 #ifdef VMS
148 # define mch_access(n, p) access(vms_fixfilename(n), (p))
149 /* see mch_open() comment */
150 # define mch_fopen(n, p) fopen(vms_fixfilename(n), (p))
151 # define mch_fstat(n, p) fstat(vms_fixfilename(n), (p))
152 /* VMS does not have lstat() */
153 # define mch_stat(n, p) stat(vms_fixfilename(n), (p))
154 #else
155 # ifndef WIN32
156 # define mch_access(n, p) access((n), (p))
157 # endif
158 # if !(defined(FEAT_MBYTE) && defined(WIN3264))
159 # define mch_fopen(n, p) fopen((n), (p))
160 # endif
161 # define mch_fstat(n, p) fstat((n), (p))
162 # define mch_lstat(n, p) lstat((n), (p))
163 # ifdef MSWIN /* has it's own mch_stat() function */
164 # define mch_stat(n, p) vim_stat((n), (p))
165 # else
166 # ifdef STAT_IGNORES_SLASH
167 /* On Solaris stat() accepts "file/" as if it was "file". Return -1 if
168 * the name ends in "/" and it's not a directory. */
169 # define mch_stat(n, p) (illegal_slash(n) ? -1 : stat((n), (p)))
170 # else
171 # define mch_stat(n, p) stat((n), (p))
172 # endif
173 # endif
174 #endif
175
176 #ifdef MACOS_CLASSIC
177 /* MacOS classic doesn't support perm but MacOS X does. */
178 # define mch_open(n, m, p) open((n), (m))
179 #else
180 # ifdef VMS
181 /*
182 * It is possible to force some record format with:
183 * # define mch_open(n, m, p) open(vms_fixfilename(n), (m), (p)), "rat=cr", "rfm=stmlf", "mrs=0")
184 * but it is not recomended, because it can destroy indexes etc.
185 */
186 # define mch_open(n, m, p) open(vms_fixfilename(n), (m), (p))
187 # else
188 # if !(defined(FEAT_MBYTE) && defined(WIN3264))
189 # define mch_open(n, m, p) open((n), (m), (p))
190 # endif
191 # endif
192 #endif
193
194 /* mch_open_rw(): invoke mch_open() with third argument for user R/W. */
195 #if defined(UNIX) || defined(VMS) /* open in rw------- mode */
196 # define mch_open_rw(n, f) mch_open((n), (f), (mode_t)0600)
197 #else
198 # if defined(MSDOS) || defined(MSWIN) || defined(OS2) /* open read/write */
199 # define mch_open_rw(n, f) mch_open((n), (f), S_IREAD | S_IWRITE)
200 # else
201 # define mch_open_rw(n, f) mch_open((n), (f), 0)
202 # endif
203 #endif
204
205 /*
206 * Encryption macros. Mohsin Ahmed, mosh@sasi.com 98-09-24
207 * Based on zip/crypt sources.
208 */
209
210 #ifdef FEAT_CRYPT
211
212 #ifndef __MINGW32__
213 # define PWLEN 80
214 #endif
215
216 /* encode byte c, using temp t. Warning: c must not have side effects. */
217 # define ZENCODE(c, t) (t = decrypt_byte(), update_keys(c), t^(c))
218
219 /* decode byte c in place */
220 # define ZDECODE(c) update_keys(c ^= decrypt_byte())
221
222 #endif
223
224 #ifdef STARTUPTIME
225 # define TIME_MSG(s) time_msg(s, NULL)
226 #else
227 # define TIME_MSG(s)
228 #endif
229
230 #ifdef FEAT_VREPLACE
231 # define REPLACE_NORMAL(s) (((s) & REPLACE_FLAG) && !((s) & VREPLACE_FLAG))
232 #else
233 # define REPLACE_NORMAL(s) ((s) & REPLACE_FLAG)
234 #endif
235
236 #ifdef FEAT_ARABIC
237 # define UTF_COMPOSINGLIKE(p1, p2) utf_composinglike((p1), (p2))
238 #else
239 # define UTF_COMPOSINGLIKE(p1, p2) utf_iscomposing(utf_ptr2char(p2))
240 #endif
241
242 #ifdef FEAT_RIGHTLEFT
243 /* Whether to draw the vertical bar on the right side of the cell. */
244 # define CURSOR_BAR_RIGHT (curwin->w_p_rl && (!(State & CMDLINE) || cmdmsg_rl))
245 #endif