/* vi:set ts=8 sts=4 sw=4 noet: * * VIM - Vi IMproved by Bram Moolenaar * * Do ":help uganda" in Vim to read copying and usage conditions. * Do ":help credits" in Vim to see a list of people who contributed. */ /* * macros.h: macro definitions for often used code * * Macros should be ALL_CAPS. An exception is for where a function is * replaced and an argument is not used more than once. */ /* * PBYTE(lp, c) - put byte 'c' at position 'lp' */ #define PBYTE(lp, c) (*(ml_get_buf(curbuf, (lp).lnum, TRUE) + (lp).col) = (c)) /* * Position comparisons */ #define LT_POS(a, b) (((a).lnum != (b).lnum) \ ? (a).lnum < (b).lnum \ : (a).col != (b).col \ ? (a).col < (b).col \ : (a).coladd < (b).coladd) #define LT_POSP(a, b) (((a)->lnum != (b)->lnum) \ ? (a)->lnum < (b)->lnum \ : (a)->col != (b)->col \ ? (a)->col < (b)->col \ : (a)->coladd < (b)->coladd) #define EQUAL_POS(a, b) (((a).lnum == (b).lnum) && ((a).col == (b).col) && ((a).coladd == (b).coladd)) #define CLEAR_POS(a) {(a)->lnum = 0; (a)->col = 0; (a)->coladd = 0;} #define LTOREQ_POS(a, b) (LT_POS(a, b) || EQUAL_POS(a, b)) /* * VIM_ISWHITE() is used for "^" and the like. It differs from isspace() * because it doesn't include and and the like. */ #define VIM_ISWHITE(x) ((x) == ' ' || (x) == '\t') /* * 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) == NUL) /* * toupper() and tolower() that use the current locale. * On some systems toupper()/tolower() only work on lower/uppercase * characters, first use islower() or isupper() then. * 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 MB_TOLOWER() and MB_TOUPPER(), because many * toupper() and tolower() implementations only work for ASCII. */ #ifdef MSWIN # define TOUPPER_LOC(c) toupper_tab[(c) & 255] # define TOLOWER_LOC(c) tolower_tab[(c) & 255] #else # ifdef BROKEN_TOUPPER # define TOUPPER_LOC(c) (islower(c) ? toupper(c) : (c)) # define TOLOWER_LOC(c) (isupper(c) ? tolower(c) : (c)) # else # define TOUPPER_LOC toupper # define TOLOWER_LOC tolower # endif #endif /* toupper() and tolower() for ASCII only and ignore the current locale. */ #ifdef EBCDIC # define TOUPPER_ASC(c) (islower(c) ? toupper(c) : (c)) # define TOLOWER_ASC(c) (isupper(c) ? tolower(c) : (c)) #else # define TOUPPER_ASC(c) (((c) < 'a' || (c) > 'z') ? (c) : (c) - ('a' - 'A')) # define TOLOWER_ASC(c) (((c) < 'A' || (c) > 'Z') ? (c) : (c) + ('a' - 'A')) #endif /* * MB_ISLOWER() and MB_ISUPPER() are to be used on multi-byte characters. But * don't use them for negative values! */ #define MB_ISLOWER(c) vim_islower(c) #define MB_ISUPPER(c) vim_isupper(c) #define MB_TOLOWER(c) vim_tolower(c) #define MB_TOUPPER(c) vim_toupper(c) /* Use our own isdigit() replacement, because on MS-Windows isdigit() returns * non-zero for superscript 1. Also avoids that isdigit() crashes for numbers * below 0 and above 255. */ #define VIM_ISDIGIT(c) ((unsigned)(c) - '0' < 10) /* Like isalpha() but reject non-ASCII characters. Can't be used with a * special key (negative value). */ #ifdef EBCDIC # define ASCII_ISALPHA(c) isalpha(c) # define ASCII_ISALNUM(c) isalnum(c) # define ASCII_ISLOWER(c) islower(c) # define ASCII_ISUPPER(c) isupper(c) #else # define ASCII_ISLOWER(c) ((unsigned)(c) - 'a' < 26) # define ASCII_ISUPPER(c) ((unsigned)(c) - 'A' < 26) # define ASCII_ISALPHA(c) (ASCII_ISUPPER(c) || ASCII_ISLOWER(c)) # define ASCII_ISALNUM(c) (ASCII_ISALPHA(c) || VIM_ISDIGIT(c)) #endif /* Returns empty string if it is NULL. */ #define EMPTY_IF_NULL(x) ((x) ? (x) : (char_u *)"") #ifdef FEAT_LANGMAP /* * Adjust chars in a language according to 'langmap' option. * NOTE that there is no noticeable overhead if 'langmap' is not set. * When set the overhead for characters < 256 is small. * Don't apply 'langmap' if the character comes from the Stuff buffer or from * a mapping and the langnoremap option was set. * The do-while is just to ignore a ';' after the macro. */ # define LANGMAP_ADJUST(c, condition) \ do { \ if (*p_langmap \ && (condition) \ && (p_lrm || (!p_lrm && KeyTyped)) \ && !KeyStuffed \ && (c) >= 0) \ { \ if ((c) < 256) \ c = langmap_mapchar[c]; \ else \ c = langmap_adjust_mb(c); \ } \ } while (0) #else # define LANGMAP_ADJUST(c, condition) /* nop */ #endif /* * VIM_ISBREAK() is used very often if 'linebreak' is set, use a macro to make * it work fast. Only works for single byte characters! */ #define VIM_ISBREAK(c) ((c) < 256 && breakat_flags[(char_u)(c)]) /* * On VMS file names are different and require a translation. * On the Mac open() has only two arguments. */ #ifdef VMS # define mch_access(n, p) access(vms_fixfilename(n), (p)) /* see mch_open() comment */ # define mch_fopen(n, p) fopen(vms_fixfilename(n), (p)) # define mch_fstat(n, p) fstat(vms_fixfilename(n), (p)) /* VMS does not have lstat() */ # define mch_stat(n, p) stat(vms_fixfilename(n), (p)) # define mch_rmdir(n) rmdir(vms_fixfilename(n)) #else # ifndef WIN32 # define mch_access(n, p) access((n), (p)) # endif # define mch_fstat(n, p) fstat((n), (p)) # ifdef MSWIN /* has its own mch_stat() function */ # define mch_stat(n, p) vim_stat((n), (p)) # else # ifdef STAT_IGNORES_SLASH # define mch_stat(n, p) vim_stat((n), (p)) # else # define mch_stat(n, p) stat((n), (p)) # endif # endif #endif #ifdef HAVE_LSTAT # define mch_lstat(n, p) lstat((n), (p)) #else # define mch_lstat(n, p) mch_stat((n), (p)) #endif #ifdef VMS /* * It is possible to force some record format with: * # define mch_open(n, m, p) open(vms_fixfilename(n), (m), (p)), "rat=cr", "rfm=stmlf", "mrs=0") * but it is not recommended, because it can destroy indexes etc. */ # define mch_open(n, m, p) open(vms_fixfilename(n), (m), (p)) #endif /* mch_open_rw(): invoke mch_open() with third argument for user R/W. */ #if defined(UNIX) || defined(VMS) /* open in rw------- mode */ # define mch_open_rw(n, f) mch_open((n), (f), (mode_t)0600) #else # if defined(MSWIN) /* open read/write */ # define mch_open_rw(n, f) mch_open((n), (f), S_IREAD | S_IWRITE) # else # define mch_open_rw(n, f) mch_open((n), (f), 0) # endif #endif #ifdef STARTUPTIME # define TIME_MSG(s) do { if (time_fd != NULL) time_msg(s, NULL); } while (0) #else # define TIME_MSG(s) do { /**/ } while (0) #endif #define REPLACE_NORMAL(s) (((s) & REPLACE_FLAG) && !((s) & VREPLACE_FLAG)) #ifdef FEAT_ARABIC # define UTF_COMPOSINGLIKE(p1, p2) utf_composinglike((p1), (p2)) #else # define UTF_COMPOSINGLIKE(p1, p2) utf_iscomposing(utf_ptr2char(p2)) #endif #ifdef FEAT_RIGHTLEFT /* 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)) #endif /* * 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, including composing chars */ #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)(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)(s, 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(&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)) #ifdef FEAT_AUTOCHDIR # define DO_AUTOCHDIR do { if (p_acd) do_autochdir(); } while (0) #else # define DO_AUTOCHDIR do { /**/ } while (0) #endif #define RESET_BINDING(wp) (wp)->w_p_scb = FALSE; (wp)->w_p_crb = FALSE #ifdef FEAT_DIFF # define PLINES_NOFILL(x) plines_nofill(x) #else # define PLINES_NOFILL(x) plines(x) #endif #if defined(FEAT_JOB_CHANNEL) || defined(FEAT_CLIENTSERVER) # define MESSAGE_QUEUE #endif #if defined(FEAT_EVAL) && defined(FEAT_FLOAT) # include # if defined(HAVE_MATH_H) /* for isnan() and isinf() */ # include # endif # ifdef USING_FLOAT_STUFF # if defined(WIN32) # ifndef isnan # define isnan(x) _isnan(x) static __inline int isinf(double x) { return !_finite(x) && !_isnan(x); } # endif # else # ifndef HAVE_ISNAN static inline int isnan(double x) { return x != x; } # endif # ifndef HAVE_ISINF static inline int isinf(double x) { return !isnan(x) && isnan(x - x); } # endif # endif # if !defined(INFINITY) # if defined(DBL_MAX) # ifdef VMS # define INFINITY DBL_MAX # else # define INFINITY (DBL_MAX+DBL_MAX) # endif # else # define INFINITY (1.0 / 0.0) # endif # endif # if !defined(NAN) # define NAN (INFINITY-INFINITY) # endif # if !defined(DBL_EPSILON) # define DBL_EPSILON 2.2204460492503131e-16 # endif # endif #endif /* * In a hashtab item "hi_key" points to "di_key" in a dictitem. * This avoids adding a pointer to the hashtab item. * DI2HIKEY() converts a dictitem pointer to a hashitem key pointer. * HIKEY2DI() converts a hashitem key pointer to a dictitem pointer. * HI2DI() converts a hashitem pointer to a dictitem pointer. */ #define DI2HIKEY(di) ((di)->di_key) #define HIKEY2DI(p) ((dictitem_T *)(p - offsetof(dictitem_T, di_key))) #define HI2DI(hi) HIKEY2DI((hi)->hi_key) /* * Flush control functions. */ #ifdef FEAT_GUI # define mch_enable_flush() gui_enable_flush() # define mch_disable_flush() gui_disable_flush() #else # define mch_enable_flush() # define mch_disable_flush() #endif /* * Like vim_free(), and also set the pointer to NULL. */ #define VIM_CLEAR(p) \ do { \ if ((p) != NULL) { \ vim_free(p); \ (p) = NULL; \ } \ } while (0)