diff options
Diffstat (limited to 'src/nvim/macros.h')
| -rw-r--r-- | src/nvim/macros.h | 105 |
1 files changed, 69 insertions, 36 deletions
diff --git a/src/nvim/macros.h b/src/nvim/macros.h index a8df6322cf..348df2d9b6 100644 --- a/src/nvim/macros.h +++ b/src/nvim/macros.h @@ -28,41 +28,18 @@ /// @return `s, sizeof(s) - 1` #define S_LEN(s) (s), (sizeof(s) - 1) -/* - * 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)) +/// 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 @@ -94,7 +71,7 @@ do { \ if (*p_langmap \ && (condition) \ - && (p_lrm || (!p_lrm && KeyTyped)) \ + && (p_lrm || (vgetc_busy ? typebuf_maplen() == 0 : KeyTyped)) \ && !KeyStuffed \ && (c) >= 0) \ { \ @@ -120,8 +97,10 @@ /* 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)) @@ -157,17 +136,71 @@ # 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]))))) +/// 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. +#define ARRAY_LAST_ENTRY(arr) (arr)[ARRAY_SIZE(arr) - 1] -#define RGB(r, g, b) ((r << 16) | (g << 8) | b) +// 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 + +// 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 |