Adding upstream version 2:9.0.1378.upstream/2%9.0.1378upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 398 insertions, 0 deletions

diff --git a/src/macros.h b/src/macros.h
new file mode 100644
index 0000000..4f3ad43
--- /dev/null
+++ b/src/macros.h
@@ -0,0 +1,398 @@
+/* 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) do {(a)->lnum = 0; (a)->col = 0; (a)->coladd = 0;} while (0)
+#define EMPTY_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() differs from isspace() because it doesn't include <CR> and
+ * <LF> and the like.
+ */
+#define VIM_ISWHITE(x)		((x) == ' ' || (x) == '\t')
+#define IS_WHITE_OR_NUL(x)	((x) == ' ' || (x) == '\t' || (x) == 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) == 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.
+#define TOUPPER_ASC(c)	(((c) < 'a' || (c) > 'z') ? (c) : (c) - ('a' - 'A'))
+#define TOLOWER_ASC(c)	(((c) < 'A' || (c) > 'Z') ? (c) : (c) + ('a' - 'A'))
+
+/*
+ * 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)
+#define MB_CASEFOLD(c)	(enc_utf8 ? utf_fold(c) : MB_TOLOWER(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).
+#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))
+
+// 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((n), (p))
+# undef HAVE_LSTAT		// VMS does not have lstat()
+# define mch_stat(n, p)		stat(vms_fixfilename(n), (p))
+#else
+# ifndef MSWIN
+#   define mch_access(n, p)	access((n), (p))
+# endif
+
+// Use 64-bit fstat function on MS-Windows.
+// NOTE: This condition is the same as for the stat_T type.
+# ifdef MSWIN
+#  define mch_fstat(n, p)	_fstat64((n), (p))
+# else
+#  define mch_fstat(n, p)	fstat((n), (p))
+# endif
+
+# 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 ARABIC_CHAR(ch)	    (((ch) & 0xFF00) == 0x0600)
+# 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 & MODE_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.
+ */
+// Advance multi-byte pointer, skip over composing chars.
+#define MB_PTR_ADV(p)	    p += (*mb_ptr2len)(p)
+// Advance multi-byte pointer, do not skip over composing chars.
+#define MB_CPTR_ADV(p)	    p += enc_utf8 ? utf_ptr2len(p) : (*mb_ptr2len)(p)
+// 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) do { if (has_mbyte) mb_copy_char(&(f), &(t)); else *(t)++ = *(f)++; } while (0)
+#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))
+#define MB_CHAR2BYTES(c, b) do { if (has_mbyte) (b) += (*mb_char2bytes)((c), (b)); else *(b)++ = (c); } while(0)
+
+#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)  do { (wp)->w_p_scb = FALSE; (wp)->w_p_crb = FALSE; \
+			    } while (0)
+
+#ifdef FEAT_DIFF
+# define PLINES_NOFILL(x) plines_nofill(x)
+# define PLINES_WIN_NOFILL(w, l, h) plines_win_nofill((w), (l), (h))
+#else
+# define PLINES_NOFILL(x) plines(x)
+# define PLINES_WIN_NOFILL(w, l, h) plines_win((w), (l), (h))
+#endif
+
+#if defined(FEAT_JOB_CHANNEL) || defined(FEAT_CLIENTSERVER)
+# define MESSAGE_QUEUE
+#endif
+
+#include <float.h>
+#if defined(HAVE_MATH_H)
+  // for isnan() and isinf()
+# include <math.h>
+#endif
+
+#if defined(FEAT_EVAL)
+# ifdef USING_FLOAT_STUFF
+#  ifdef MSWIN
+#   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
+
+#ifdef FEAT_EVAL
+# define FUNCARG(fp, j)	((char_u **)(fp->uf_args.ga_data))[j]
+#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)
+
+// Whether a command index indicates a user command.
+#define IS_USER_CMDIDX(idx) ((int)(idx) < 0)
+
+// Give an error in curwin is a popup window and evaluate to TRUE.
+#ifdef FEAT_PROP_POPUP
+# define WIN_IS_POPUP(wp) ((wp)->w_popup_flags != 0)
+# define ERROR_IF_POPUP_WINDOW error_if_popup_window(FALSE)
+# define ERROR_IF_ANY_POPUP_WINDOW error_if_popup_window(TRUE)
+#else
+# define WIN_IS_POPUP(wp) 0
+# define ERROR_IF_POPUP_WINDOW 0
+# define ERROR_IF_ANY_POPUP_WINDOW 0
+#endif
+#if defined(FEAT_PROP_POPUP) && defined(FEAT_TERMINAL)
+# define ERROR_IF_TERM_POPUP_WINDOW error_if_term_popup_window()
+#else
+# define ERROR_IF_TERM_POPUP_WINDOW 0
+#endif
+
+
+#ifdef ABORT_ON_INTERNAL_ERROR
+# define ESTACK_CHECK_DECLARATION int estack_len_before;
+# define ESTACK_CHECK_SETUP estack_len_before = exestack.ga_len;
+# define ESTACK_CHECK_NOW if (estack_len_before != exestack.ga_len) \
+	siemsg("Exestack length expected: %d, actual: %d", estack_len_before, exestack.ga_len);
+# define CHECK_CURBUF if (curwin != NULL && curwin->w_buffer != curbuf) \
+		iemsg("curbuf != curwin->w_buffer")
+#else
+# define ESTACK_CHECK_DECLARATION
+# define ESTACK_CHECK_SETUP
+# define ESTACK_CHECK_NOW
+# define CHECK_CURBUF
+#endif
+
+// Inline the condition for performance.
+#define CHECK_LIST_MATERIALIZE(l) if ((l)->lv_first == &range_list_item) range_list_materialize(l)
+
+// Inlined version of ga_grow() with optimized condition that it fails.
+#define GA_GROW_FAILS(gap, n) unlikely((((gap)->ga_maxlen - (gap)->ga_len < (n)) ? ga_grow_inner((gap), (n)) : OK) == FAIL)
+// Inlined version of ga_grow() with optimized condition that it succeeds.
+#define GA_GROW_OK(gap, n) likely((((gap)->ga_maxlen - (gap)->ga_len < (n)) ? ga_grow_inner((gap), (n)) : OK) == OK)
+
+#ifndef MIN
+# define MIN(a, b) ((a) < (b) ? (a) : (b))
+#endif
+#ifndef MAX
+# define MAX(a, b) ((a) > (b) ? (a) : (b))
+#endif
+
+// Length of the array.
+#define ARRAY_LENGTH(a) (sizeof(a) / sizeof((a)[0]))