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043f85210a
Closes #1234 multiqueue: - Implement multiqueue_size() - Rename MultiQueueItem.parent to MultiQueueItem.parent_item, to avoid confusion with MultiQueue.parent.
165 lines
5.7 KiB
C
165 lines
5.7 KiB
C
#ifndef NVIM_MACROS_H
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#define NVIM_MACROS_H
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// EXTERN is only defined in main.c. That's where global variables are
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// actually defined and initialized.
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#ifndef EXTERN
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# define EXTERN extern
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# define INIT(...)
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#else
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# ifndef INIT
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# define INIT(...) __VA_ARGS__
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# endif
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#endif
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#ifndef MIN
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# define MIN(X, Y) ((X) < (Y) ? (X) : (Y))
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#endif
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#ifndef MAX
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# define MAX(X, Y) ((X) > (Y) ? (X) : (Y))
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#endif
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/*
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* Position comparisons
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*/
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# define lt(a, b) (((a).lnum != (b).lnum) \
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? (a).lnum < (b).lnum \
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: (a).col != (b).col \
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? (a).col < (b).col \
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: (a).coladd < (b).coladd)
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# define ltp(a, b) (((a)->lnum != (b)->lnum) \
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? (a)->lnum < (b)->lnum \
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: (a)->col != (b)->col \
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? (a)->col < (b)->col \
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: (a)->coladd < (b)->coladd)
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# define equalpos(a, b) (((a).lnum == (b).lnum) && ((a).col == (b).col) && \
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((a).coladd == (b).coladd))
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# define clearpos(a) {(a)->lnum = 0; (a)->col = 0; (a)->coladd = 0; }
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#define ltoreq(a, b) (lt(a, b) || equalpos(a, b))
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/*
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* lineempty() - return TRUE if the line is empty
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*/
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#define lineempty(p) (*ml_get(p) == NUL)
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/*
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* bufempty() - return TRUE if the current buffer is empty
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*/
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#define bufempty() (curbuf->b_ml.ml_line_count == 1 && *ml_get((linenr_T)1) == \
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NUL)
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/*
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* toupper() and tolower() that use the current locale.
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* Careful: Only call TOUPPER_LOC() and TOLOWER_LOC() with a character in the
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* range 0 - 255. toupper()/tolower() on some systems can't handle others.
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* Note: It is often better to use vim_tolower() and vim_toupper(), because many
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* toupper() and tolower() implementations only work for ASCII.
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*/
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#define TOUPPER_LOC toupper
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#define TOLOWER_LOC tolower
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/* toupper() and tolower() for ASCII only and ignore the current locale. */
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# define TOUPPER_ASC(c) (((c) < 'a' || (c) > 'z') ? (c) : (c) - ('a' - 'A'))
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# define TOLOWER_ASC(c) (((c) < 'A' || (c) > 'Z') ? (c) : (c) + ('a' - 'A'))
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/* Like isalpha() but reject non-ASCII characters. Can't be used with a
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* special key (negative value). */
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# define ASCII_ISLOWER(c) ((unsigned)(c) >= 'a' && (unsigned)(c) <= 'z')
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# define ASCII_ISUPPER(c) ((unsigned)(c) >= 'A' && (unsigned)(c) <= 'Z')
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# define ASCII_ISALPHA(c) (ASCII_ISUPPER(c) || ASCII_ISLOWER(c))
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# define ASCII_ISALNUM(c) (ASCII_ISALPHA(c) || ascii_isdigit(c))
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/* Returns empty string if it is NULL. */
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#define EMPTY_IF_NULL(x) ((x) ? (x) : (char_u *)"")
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/*
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* Adjust chars in a language according to 'langmap' option.
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* NOTE that there is no noticeable overhead if 'langmap' is not set.
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* When set the overhead for characters < 256 is small.
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* Don't apply 'langmap' if the character comes from the Stuff buffer or from a
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* mapping and the langnoremap option was set.
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* The do-while is just to ignore a ';' after the macro.
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*/
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# define LANGMAP_ADJUST(c, condition) \
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do { \
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if (*p_langmap \
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&& (condition) \
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&& (!p_lnr || (p_lnr && typebuf_maplen() == 0)) \
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&& !KeyStuffed \
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&& (c) >= 0) \
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{ \
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if ((c) < 256) \
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c = langmap_mapchar[c]; \
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else \
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c = langmap_adjust_mb(c); \
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} \
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} while (0)
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/*
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* vim_isbreak() is used very often if 'linebreak' is set, use a macro to make
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* it work fast.
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*/
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#define vim_isbreak(c) (breakat_flags[(char_u)(c)])
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#define WRITEBIN "wb" /* no CR-LF translation */
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#define READBIN "rb"
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#define APPENDBIN "ab"
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# define mch_fopen(n, p) fopen((n), (p))
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/* mch_open_rw(): invoke os_open() with third argument for user R/W. */
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#if defined(UNIX) /* open in rw------- mode */
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# define mch_open_rw(n, f) os_open((n), (f), (mode_t)0600)
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#else
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# define mch_open_rw(n, f) os_open((n), (f), 0)
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#endif
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# define REPLACE_NORMAL(s) (((s) & REPLACE_FLAG) && !((s) & VREPLACE_FLAG))
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# define UTF_COMPOSINGLIKE(p1, p2) utf_composinglike((p1), (p2))
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/* Whether to draw the vertical bar on the right side of the cell. */
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# define CURSOR_BAR_RIGHT (curwin->w_p_rl && (!(State & CMDLINE) || cmdmsg_rl))
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// mb_ptr_adv(): advance a pointer to the next character, taking care of
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// multi-byte characters if needed.
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// mb_ptr_back(): backup a pointer to the previous character, taking care of
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// multi-byte characters if needed.
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// MB_COPY_CHAR(f, t): copy one char from "f" to "t" and advance the pointers.
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// PTR2CHAR(): get character from pointer.
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// Get the length of the character p points to
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# define MB_PTR2LEN(p) mb_ptr2len(p)
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// Advance multi-byte pointer, skip over composing chars.
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# define mb_ptr_adv(p) (p += mb_ptr2len((char_u *)p))
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// Advance multi-byte pointer, do not skip over composing chars.
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# define mb_cptr_adv(p) (p += utf_ptr2len(p))
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// Backup multi-byte pointer. Only use with "p" > "s" !
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# define mb_ptr_back(s, p) (p -= mb_head_off((char_u *)s, (char_u *)p - 1) + 1)
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// get length of multi-byte char, not including composing chars
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# define mb_cptr2len(p) utf_ptr2len(p)
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# define MB_COPY_CHAR(f, t) mb_copy_char((const char_u **)(&f), &t);
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# define MB_CHARLEN(p) mb_charlen(p)
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# define MB_CHAR2LEN(c) mb_char2len(c)
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# define PTR2CHAR(p) mb_ptr2char(p)
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# define RESET_BINDING(wp) (wp)->w_p_scb = FALSE; (wp)->w_p_crb = FALSE
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/// Calculate the length of a C array.
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///
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/// This should be called with a real array. Calling this with a pointer is an
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/// error. A mechanism to detect many (though not all) of those errors at compile
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/// time is implemented. It works by the second division producing a division by
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/// zero in those cases (-Wdiv-by-zero in GCC).
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#define ARRAY_SIZE(arr) ((sizeof(arr)/sizeof((arr)[0])) / ((size_t)(!(sizeof(arr) % sizeof((arr)[0])))))
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#define RGB(r, g, b) ((r << 16) | (g << 8) | b)
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#define STR_(x) #x
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#define STR(x) STR_(x)
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#endif // NVIM_MACROS_H
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