diff options
Diffstat (limited to 'src/nvim/macros.h')
| -rw-r--r-- | src/nvim/macros.h | 176 |
1 files changed, 104 insertions, 72 deletions
diff --git a/src/nvim/macros.h b/src/nvim/macros.h index 5f69fa2f6a..d447bff765 100644 --- a/src/nvim/macros.h +++ b/src/nvim/macros.h @@ -19,41 +19,27 @@ # define MAX(X, Y) ((X) > (Y) ? (X) : (Y)) #endif -/* - * Position comparisons - */ -# define lt(a, b) (((a).lnum != (b).lnum) \ - ? (a).lnum < (b).lnum \ - : (a).col != (b).col \ - ? (a).col < (b).col \ - : (a).coladd < (b).coladd) -# define ltp(a, b) (((a)->lnum != (b)->lnum) \ - ? (a)->lnum < (b)->lnum \ - : (a)->col != (b)->col \ - ? (a)->col < (b)->col \ - : (a)->coladd < (b)->coladd) -# define equalpos(a, b) (((a).lnum == (b).lnum) && ((a).col == (b).col) && \ - ((a).coladd == (b).coladd)) -# define clearpos(a) {(a)->lnum = 0; (a)->col = 0; (a)->coladd = 0; } - -#define ltoreq(a, b) (lt(a, b) || equalpos(a, b)) +/// String with length +/// +/// For use in functions which accept (char *s, size_t len) pair in arguments. +/// +/// @param[in] s Static string. +/// +/// @return `s, sizeof(s) - 1` +#define S_LEN(s) (s), (sizeof(s) - 1) -/* - * lineempty() - return TRUE if the line is empty - */ -#define lineempty(p) (*ml_get(p) == NUL) +/// LINEEMPTY() - return TRUE if the line is empty +#define LINEEMPTY(p) (*ml_get(p) == NUL) -/* - * bufempty() - return TRUE if the current buffer is empty - */ -#define bufempty() (curbuf->b_ml.ml_line_count == 1 && *ml_get((linenr_T)1) == \ +/// BUFEMPTY() - return TRUE if the current buffer is empty +#define BUFEMPTY() (curbuf->b_ml.ml_line_count == 1 && *ml_get((linenr_T)1) == \ NUL) /* * toupper() and tolower() that use the current locale. * Careful: Only call TOUPPER_LOC() and TOLOWER_LOC() with a character in the * range 0 - 255. toupper()/tolower() on some systems can't handle others. - * Note: It is often better to use vim_tolower() and vim_toupper(), because many + * Note: It is often better to use mb_tolower() and mb_toupper(), because many * toupper() and tolower() implementations only work for ASCII. */ #define TOUPPER_LOC toupper @@ -73,11 +59,6 @@ /* Returns empty string if it is NULL. */ #define EMPTY_IF_NULL(x) ((x) ? (x) : (char_u *)"") -/* macro version of chartab(). - * Only works with values 0-255! - * Doesn't work for UTF-8 mode with chars >= 0x80. */ -#define CHARSIZE(c) (chartab[c] & CT_CELL_MASK) - /* * Adjust chars in a language according to 'langmap' option. * NOTE that there is no noticeable overhead if 'langmap' is not set. @@ -90,7 +71,7 @@ do { \ if (*p_langmap \ && (condition) \ - && (!p_lnr || (p_lnr && typebuf_maplen() == 0)) \ + && (p_lrm || (vgetc_busy ? typebuf_maplen() == 0 : KeyTyped)) \ && !KeyStuffed \ && (c) >= 0) \ { \ @@ -101,12 +82,6 @@ } \ } while (0) -/* - * vim_isbreak() is used very often if 'linebreak' is set, use a macro to make - * it work fast. - */ -#define vim_isbreak(c) (breakat_flags[(char_u)(c)]) - #define WRITEBIN "wb" /* no CR-LF translation */ #define READBIN "rb" #define APPENDBIN "ab" @@ -116,8 +91,10 @@ /* mch_open_rw(): invoke os_open() with third argument for user R/W. */ #if defined(UNIX) /* open in rw------- mode */ # define mch_open_rw(n, f) os_open((n), (f), (mode_t)0600) +#elif defined(WIN32) +# define mch_open_rw(n, f) os_open((n), (f), S_IREAD | S_IWRITE) #else -# define mch_open_rw(n, f) os_open((n), (f), 0) +# define mch_open_rw(n, f) os_open((n), (f), 0) #endif # define REPLACE_NORMAL(s) (((s) & REPLACE_FLAG) && !((s) & VREPLACE_FLAG)) @@ -127,43 +104,98 @@ /* Whether to draw the vertical bar on the right side of the cell. */ # define CURSOR_BAR_RIGHT (curwin->w_p_rl && (!(State & CMDLINE) || cmdmsg_rl)) -/* - * mb_ptr_adv(): advance a pointer to the next character, taking care of - * multi-byte characters if needed. - * mb_ptr_back(): backup a pointer to the previous character, taking care of - * multi-byte characters if needed. - * MB_COPY_CHAR(f, t): copy one char from "f" to "t" and advance the pointers. - * PTR2CHAR(): get character from pointer. - */ -/* Get the length of the character p points to */ -# define MB_PTR2LEN(p) (has_mbyte ? (*mb_ptr2len)(p) : 1) -/* Advance multi-byte pointer, skip over composing chars. */ -# define mb_ptr_adv(p) (p += has_mbyte ? (*mb_ptr2len)((char_u *)p) : 1) -/* Advance multi-byte pointer, do not skip over composing chars. */ -# define mb_cptr_adv(p) (p += \ - enc_utf8 ? utf_ptr2len(p) : has_mbyte ? (*mb_ptr2len)(p) : 1) -/* Backup multi-byte pointer. Only use with "p" > "s" ! */ -# define mb_ptr_back(s, p) (p -= has_mbyte ? ((*mb_head_off)((char_u *)s, (char_u *)p - 1) + 1) : 1) -/* get length of multi-byte char, not including composing chars */ -# define mb_cptr2len(p) (enc_utf8 ? utf_ptr2len(p) : (*mb_ptr2len)(p)) - -# define MB_COPY_CHAR(f, t) \ - if (has_mbyte) mb_copy_char((const char_u **)(&f), &t); \ - else *t++ = *f++ -# define MB_CHARLEN(p) (has_mbyte ? mb_charlen(p) : (int)STRLEN(p)) -# define MB_CHAR2LEN(c) (has_mbyte ? mb_char2len(c) : 1) -# define PTR2CHAR(p) (has_mbyte ? mb_ptr2char(p) : (int)*(p)) +// MB_PTR_ADV(): advance a pointer to the next character, taking care of +// multi-byte characters if needed. +// MB_PTR_BACK(): backup a pointer to the previous character, taking care of +// multi-byte characters if needed. +// MB_COPY_CHAR(f, t): copy one char from "f" to "t" and advance the pointers. +// PTR2CHAR(): get character from pointer. + +// Get the length of the character p points to +# define MB_PTR2LEN(p) mb_ptr2len(p) +// Advance multi-byte pointer, skip over composing chars. +# define MB_PTR_ADV(p) (p += mb_ptr2len((char_u *)p)) +// Advance multi-byte pointer, do not skip over composing chars. +# define MB_CPTR_ADV(p) (p += utf_ptr2len(p)) +// Backup multi-byte pointer. Only use with "p" > "s" ! +# define MB_PTR_BACK(s, p) \ + (p -= utf_head_off((char_u *)s, (char_u *)p - 1) + 1) +// get length of multi-byte char, not including composing chars +# define MB_CPTR2LEN(p) utf_ptr2len(p) + +# define MB_COPY_CHAR(f, t) mb_copy_char((const char_u **)(&f), &t); + +# define MB_CHARLEN(p) mb_charlen(p) +# define MB_CHAR2LEN(c) mb_char2len(c) +# define PTR2CHAR(p) utf_ptr2char(p) # define RESET_BINDING(wp) (wp)->w_p_scb = FALSE; (wp)->w_p_crb = FALSE -/// Calculate the length of a C array. +/// Calculate the length of a C array +/// +/// This should be called with a real array. Calling this with a pointer is an +/// error. A mechanism to detect many (though not all) of those errors at +/// compile time is implemented. It works by the second division producing +/// a division by zero in those cases (-Wdiv-by-zero in GCC). +#define ARRAY_SIZE(arr) \ + ((sizeof(arr)/sizeof((arr)[0])) \ + / ((size_t)(!(sizeof(arr) % sizeof((arr)[0]))))) + +/// Get last array entry /// /// This should be called with a real array. Calling this with a pointer is an -/// error. A mechanism to detect many (though not all) of those errors at compile -/// time is implemented. It works by the second division producing a division by -/// zero in those cases (-Wdiv-by-zero in GCC). -#define ARRAY_SIZE(arr) ((sizeof(arr)/sizeof((arr)[0])) / ((size_t)(!(sizeof(arr) % sizeof((arr)[0]))))) +/// error. +#define ARRAY_LAST_ENTRY(arr) (arr)[ARRAY_SIZE(arr) - 1] + +// Duplicated in os/win_defs.h to avoid include-order sensitivity. +#define RGB_(r, g, b) ((r << 16) | (g << 8) | b) + +#define STR_(x) #x +#define STR(x) STR_(x) + +#ifndef __has_attribute +# define NVIM_HAS_ATTRIBUTE(x) 0 +#elif defined(__clang__) && __clang__ == 1 \ + && (__clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ <= 5)) +// Starting in Clang 3.6, __has_attribute was fixed to only report true for +// GNU-style attributes. Prior to that, it reported true if _any_ backend +// supported the attribute. +# define NVIM_HAS_ATTRIBUTE(x) 0 +#else +# define NVIM_HAS_ATTRIBUTE __has_attribute +#endif + +#if NVIM_HAS_ATTRIBUTE(fallthrough) +# define FALLTHROUGH __attribute__((fallthrough)) +#else +# define FALLTHROUGH +#endif + +// -V:STRUCT_CAST:641 + +/// Change type of structure pointers: cast `struct a *` to `struct b *` +/// +/// Used to silence PVS errors. +/// +/// @param Type Structure to cast to. +/// @param obj Object to cast. +/// +/// @return ((Type *)obj). +#define STRUCT_CAST(Type, obj) ((Type *)(obj)) + +// Type of uv_buf_t.len is platform-dependent. +// Related: https://github.com/libuv/libuv/pull/1236 +#if defined(WIN32) +# define UV_BUF_LEN(x) (ULONG)(x) +#else +# define UV_BUF_LEN(x) (x) +#endif -#define RGB(r, g, b) ((r << 16) | (g << 8) | b) +// Type of read()/write() `count` param is platform-dependent. +#if defined(WIN32) +# define IO_COUNT(x) (unsigned)(x) +#else +# define IO_COUNT(x) (x) +#endif #endif // NVIM_MACROS_H |