Import vim from changeset v5628:c9cad40b4181

- Cleanup source tree, leaving only files necessary for compilation/testing
- Process files through unifdef to remove tons of FEAT_* macros
- Process files through uncrustify to normalize source code formatting.
- Port the build system to cmake

src/macros.h

@@ -0,0 +1,190 @@
+/* vi:set ts=8 sts=4 sw=4:
+ *
+ * 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
+ */
+
+/*
+ * pchar(lp, c) - put character 'c' at position 'lp'
+ */
+#define pchar(lp, c) (*(ml_get_buf(curbuf, (lp).lnum, TRUE) + (lp).col) = (c))
+
+/*
+ * 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)
+
+/*
+ * 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 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
+
+/* 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)
+
+/* 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))
+
+/* 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.
+ * When set the overhead for characters < 256 is small.
+ * Don't apply 'langmap' if the character comes from the Stuff buffer.
+ * The do-while is just to ignore a ';' after the macro.
+ */
+#  define LANGMAP_ADJUST(c, condition) \
+  do { \
+    if (*p_langmap && (condition) && !KeyStuffed && (c) >= 0) \
+    { \
+      if ((c) < 256) \
+        c = langmap_mapchar[c]; \
+      else \
+        c = langmap_adjust_mb(c); \
+    } \
+  } 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)])
+
+/*
+ * On VMS file names are different and require a translation.
+ * On the Mac open() has only two arguments.
+ */
+#   define mch_access(n, p)     access((n), (p))
+#  define mch_fopen(n, p)       fopen((n), (p))
+# define mch_fstat(n, p)        fstat((n), (p))
+#  ifdef STAT_IGNORES_SLASH
+/* On Solaris stat() accepts "file/" as if it was "file".  Return -1 if
+ * the name ends in "/" and it's not a directory. */
+#   define mch_stat(n, p)       (illegal_slash(n) ? -1 : stat((n), (p)))
+#  else
+#   define mch_stat(n, p)       stat((n), (p))
+#  endif
+
+#ifdef HAVE_LSTAT
+# define mch_lstat(n, p)        lstat((n), (p))
+#else
+# define mch_lstat(n, p)        mch_stat((n), (p))
+#endif
+
+#   define mch_open(n, m, p)    open((n), (m), (p))
+
+/* 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
+#  define mch_open_rw(n, f)     mch_open((n), (f), 0)
+#endif
+
+#ifdef STARTUPTIME
+# define TIME_MSG(s) { if (time_fd != NULL) time_msg(s, NULL); }
+#else
+# define TIME_MSG(s)
+#endif
+
+# define REPLACE_NORMAL(s) (((s) & REPLACE_FLAG) && !((s) & VREPLACE_FLAG))
+
+# define UTF_COMPOSINGLIKE(p1, p2)  utf_composinglike((p1), (p2))
+
+/* 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)(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. */
+# 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))
+
+# define DO_AUTOCHDIR if (p_acd) do_autochdir();
+
+# define RESET_BINDING(wp)  (wp)->w_p_scb = FALSE; (wp)->w_p_crb = FALSE