src/vim.h

   1 /* vi:set ts=8 sts=4 sw=4:
   2  *
   3  * VIM - Vi IMproved    by Bram Moolenaar
   4  *
   5  * Do ":help uganda"  in Vim to read copying and usage conditions.
   6  * Do ":help credits" in Vim to see a list of people who contributed.
   7  */
   8
   9 #ifndef VIM__H
  10 # define VIM__H
  11
  12 /* use fastcall for Borland, when compiling for Win32 (not for DOS16) */
  13 #if defined(__BORLANDC__) && defined(WIN32) && !defined(DEBUG)
  14 #if defined(FEAT_PERL) || \
  15     defined(FEAT_PYTHON) || \
  16     defined(FEAT_RUBY) || \
  17     defined(FEAT_TCL) || \
  18     defined(FEAT_MZSCHEME) || \
  19     defined(DYNAMIC_GETTEXT) || \
  20     defined(DYNAMIC_ICONV) || \
  21     defined(DYNAMIC_IME) || \
  22     defined(XPM)
  23   #pragma option -pc
  24 # else
  25   #pragma option -pr
  26 # endif
  27 #endif
  28
  29 /* ============ the header file puzzle (ca. 50-100 pieces) ========= */
  30
  31 #ifdef HAVE_CONFIG_H    /* GNU autoconf (or something else) was here */
  32 # include "auto/config.h"
  33 # define HAVE_PATHDEF
  34
  35 /*
  36  * Check if configure correctly managed to find sizeof(int).  If this failed,
  37  * it becomes zero.  This is likely a problem of not being able to run the
  38  * test program.  Other items from configure may also be wrong then!
  39  */
  40 # if (SIZEOF_INT == 0)
  41     Error: configure did not run properly.  Check auto/config.log.
  42 # endif
  43
  44 /*
  45  * Cygwin may have fchdir() in a newer release, but in most versions it
  46  * doesn't work well and avoiding it keeps the binary backward compatible.
  47  */
  48 # if defined(__CYGWIN32__) && defined(HAVE_FCHDIR)
  49 #  undef HAVE_FCHDIR
  50 # endif
  51 #endif
  52
  53 /* user ID of root is usually zero, but not for everybody */
  54 #ifdef __TANDEM
  55 # define _TANDEM_SOURCE
  56 # include <floss.h>
  57 # define ROOT_UID 65535
  58 #else
  59 # define ROOT_UID 0
  60 #endif
  61
  62 #ifdef __EMX__          /* hand-edited config.h for OS/2 with EMX */
  63 # include "os_os2_cfg.h"
  64 #endif
  65
  66 /*
  67  * MACOS_CLASSIC compiling for MacOS prior to MacOS X
  68  * MACOS_X_UNIX  compiling for MacOS X (using os_unix.c)
  69  * MACOS_X       compiling for MacOS X (using os_unix.c)
  70  * MACOS         compiling for either one
  71  */
  72 #if defined(macintosh) && !defined(MACOS_CLASSIC)
  73 # define MACOS_CLASSIC
  74 #endif
  75 #if defined(MACOS_X_UNIX)
  76 # define MACOS_X
  77 # ifndef HAVE_CONFIG_H
  78 #  define UNIX
  79 # endif
  80 #endif
  81 #if defined(MACOS_X) || defined(MACOS_CLASSIC)
  82 #  define MACOS
  83 #endif
  84 #if defined(MACOS_X) && defined(MACOS_CLASSIC)
  85     Error: To compile for both MACOS X and Classic use a Classic Carbon
  86 #endif
  87 /* Unless made through the Makefile enforce GUI on Mac */
  88 #if defined(MACOS) && !defined(HAVE_CONFIG_H)
  89 # define FEAT_GUI_MAC
  90 #endif
  91
  92 #if defined(FEAT_GUI_MOTIF) \
  93     || defined(FEAT_GUI_GTK) \
  94     || defined(FEAT_GUI_ATHENA) \
  95     || defined(FEAT_GUI_MAC) \
  96     || defined(FEAT_GUI_MACVIM) \
  97     || defined(FEAT_GUI_W32) \
  98     || defined(FEAT_GUI_W16) \
  99     || defined(FEAT_GUI_PHOTON)
 100 # if !defined(FEAT_GUI) && !defined(NO_X11_INCLUDES)
 101 #  define FEAT_GUI
 102 # endif
 103 #endif
 104
 105 /* Visual Studio 2005 has 'deprecated' many of the standard CRT functions */
 106 #if _MSC_VER >= 1400
 107 # define _CRT_SECURE_NO_DEPRECATE
 108 # define _CRT_NONSTDC_NO_DEPRECATE
 109 #endif
 110
 111 #if defined(FEAT_GUI_W32) || defined(FEAT_GUI_W16)
 112 # define FEAT_GUI_MSWIN
 113 #endif
 114 #if defined(WIN16) || defined(WIN32) || defined(_WIN64)
 115 # define MSWIN
 116 #endif
 117 /* Practically everything is common to both Win32 and Win64 */
 118 #if defined(WIN32) || defined(_WIN64)
 119 # define WIN3264
 120 #endif
 121
 122 /*
 123  * SIZEOF_INT is used in feature.h, and the system-specific included files
 124  * need items from feature.h.  Therefore define SIZEOF_INT here.
 125  */
 126 #ifdef WIN3264
 127 # define SIZEOF_INT 4
 128 #endif
 129 #ifdef MSDOS
 130 # ifdef DJGPP
 131 #  ifndef FEAT_GUI_GTK          /* avoid problems when generating prototypes */
 132 #   define SIZEOF_INT 4         /* 32 bit ints */
 133 #  endif
 134 #  define DOS32
 135 #  define FEAT_CLIPBOARD
 136 # else
 137 #  ifndef FEAT_GUI_GTK          /* avoid problems when generating prototypes */
 138 #   define SIZEOF_INT 2         /* 16 bit ints */
 139 #  endif
 140 #  define SMALL_MALLOC          /* 16 bit storage allocation */
 141 #  define DOS16
 142 # endif
 143 #endif
 144
 145 #ifdef AMIGA
 146   /* Be conservative about sizeof(int). It could be 4 too. */
 147 # ifndef FEAT_GUI_GTK   /* avoid problems when generating prototypes */
 148 #  ifdef __GNUC__
 149 #   define SIZEOF_INT   4
 150 #  else
 151 #   define SIZEOF_INT   2
 152 #  endif
 153 # endif
 154 #endif
 155 #ifdef MACOS
 156 # if defined(__POWERPC__) || defined(MACOS_X) || defined(__fourbyteints__) \
 157   || defined(__MRC__) || defined(__SC__) || defined(__APPLE_CC__)/* MPW Compilers */
 158 #  define SIZEOF_INT 4
 159 # else
 160 #  define SIZEOF_INT 2
 161 # endif
 162 #endif
 163 #ifdef RISCOS
 164 # define SIZEOF_INT 4
 165 #endif
 166
 167
 168 #include "feature.h"    /* #defines for optionals and features */
 169
 170 /* +x11 is only enabled when it's both available and wanted. */
 171 #if defined(HAVE_X11) && defined(WANT_X11)
 172 # define FEAT_X11
 173 #endif
 174
 175 #ifdef NO_X11_INCLUDES
 176     /* In os_mac_conv.c NO_X11_INCLUDES is defined to avoid X11 headers.
 177      * Disable all X11 related things to avoid conflicts. */
 178 # ifdef FEAT_X11
 179 #  undef FEAT_X11
 180 # endif
 181 # ifdef FEAT_XCLIPBOARD
 182 #  undef FEAT_XCLIPBOARD
 183 # endif
 184 # ifdef FEAT_GUI_MOTIF
 185 #  undef FEAT_GUI_MOTIF
 186 # endif
 187 # ifdef FEAT_GUI_ATHENA
 188 #  undef FEAT_GUI_ATHENA
 189 # endif
 190 # ifdef FEAT_GUI_GTK
 191 #  undef FEAT_GUI_GTK
 192 # endif
 193 # ifdef FEAT_BEVAL_TIP
 194 #  undef FEAT_BEVAL_TIP
 195 # endif
 196 # ifdef FEAT_XIM
 197 #  undef FEAT_XIM
 198 # endif
 199 # ifdef FEAT_CLIENTSERVER
 200 #  undef FEAT_CLIENTSERVER
 201 # endif
 202 #endif
 203
 204 /* The Mac conversion stuff doesn't work under X11. */
 205 #if defined(FEAT_MBYTE) && defined(MACOS_X)
 206 # define MACOS_CONVERT
 207 #endif
 208
 209 /* Can't use "PACKAGE" here, conflicts with a Perl include file. */
 210 #ifndef VIMPACKAGE
 211 # define VIMPACKAGE     "vim"
 212 #endif
 213
 214 /*
 215  * Find out if function definitions should include argument types
 216  */
 217 #ifdef AZTEC_C
 218 # include <functions.h>
 219 # define __ARGS(x)  x
 220 #endif
 221
 222 #ifdef SASC
 223 # include <clib/exec_protos.h>
 224 # define __ARGS(x)  x
 225 #endif
 226
 227 #ifdef _DCC
 228 # include <clib/exec_protos.h>
 229 # define __ARGS(x)  x
 230 #endif
 231
 232 #ifdef __TURBOC__
 233 # define __ARGS(x) x
 234 #endif
 235
 236 #ifdef __BEOS__
 237 # include "os_beos.h"
 238 # define __ARGS(x)  x
 239 #endif
 240
 241 #if (defined(UNIX) || defined(__EMX__) || defined(VMS)) \
 242         && (!defined(MACOS_X) || defined(HAVE_CONFIG_H))
 243 # include "os_unix.h"       /* bring lots of system header files */
 244 #endif
 245
 246 #if defined(MACOS) && (defined(__MRC__) || defined(__SC__))
 247    /* Apple's Compilers support prototypes */
 248 # define __ARGS(x) x
 249 #endif
 250 #ifndef __ARGS
 251 # if defined(__STDC__) || defined(__GNUC__) || defined(WIN3264)
 252 #  define __ARGS(x) x
 253 # else
 254 #  define __ARGS(x) ()
 255 # endif
 256 #endif
 257
 258 /* __ARGS and __PARMS are the same thing. */
 259 #ifndef __PARMS
 260 # define __PARMS(x) __ARGS(x)
 261 #endif
 262
 263 /* if we're compiling in C++ (currently only KVim), the system
 264  * headers must have the correct prototypes or nothing will build.
 265  * conversely, our prototypes might clash due to throw() specifiers and
 266  * cause compilation failures even though the headers are correct.  For
 267  * a concrete example, gcc-3.2 enforces exception specifications, and
 268  * glibc-2.2.5 has them in their system headers.
 269  */
 270 #if !defined(__cplusplus) && defined(UNIX) \
 271   && !defined(MACOS_X) /* MACOS_X doesn't yet support osdef.h */
 272 # include "auto/osdef.h"        /* bring missing declarations in */
 273 #endif
 274
 275 #ifdef __EMX__
 276 # define    getcwd  _getcwd2
 277 # define    chdir   _chdir2
 278 # undef     CHECK_INODE
 279 #endif
 280
 281 #ifdef AMIGA
 282 # include "os_amiga.h"
 283 #endif
 284
 285 #ifdef MSDOS
 286 # include "os_msdos.h"
 287 #endif
 288
 289 #ifdef WIN16
 290 # include "os_win16.h"
 291 #endif
 292
 293 #ifdef WIN3264
 294 # include "os_win32.h"
 295 #endif
 296
 297 #ifdef __MINT__
 298 # include "os_mint.h"
 299 #endif
 300
 301 #if defined(MACOS)
 302 # if defined(__MRC__) || defined(__SC__) /* MPW Compilers */
 303 #  define HAVE_SETENV
 304 # endif
 305 # include "os_mac.h"
 306 #endif
 307
 308 #ifdef RISCOS
 309 # include "os_riscos.h"
 310 #endif
 311
 312 #ifdef __QNX__
 313 # include "os_qnx.h"
 314 #endif
 315
 316 #ifdef FEAT_SUN_WORKSHOP
 317 # include "workshop.h"
 318 #endif
 319
 320 #ifdef X_LOCALE
 321 # include <X11/Xlocale.h>
 322 #else
 323 # ifdef HAVE_LOCALE_H
 324 #  include <locale.h>
 325 # endif
 326 #endif
 327
 328 /*
 329  * Maximum length of a path (for non-unix systems) Make it a bit long, to stay
 330  * on the safe side.  But not too long to put on the stack.
 331  */
 332 #ifndef MAXPATHL
 333 # ifdef MAXPATHLEN
 334 #  define MAXPATHL  MAXPATHLEN
 335 # else
 336 #  define MAXPATHL  256
 337 # endif
 338 #endif
 339 #ifdef BACKSLASH_IN_FILENAME
 340 # define PATH_ESC_CHARS ((char_u *)" \t*?[{`%#")
 341 #else
 342 # define PATH_ESC_CHARS ((char_u *)" \t*?[{`$\\%#'\"|")
 343 # define SHELL_ESC_CHARS ((char_u *)" \t*?[{`$\\%#'\"|<>();&!")
 344 #endif
 345
 346 #define NUMBUFLEN 30        /* length of a buffer to store a number in ASCII */
 347
 348 /*
 349  * Shorthand for unsigned variables. Many systems, but not all, have u_char
 350  * already defined, so we use char_u to avoid trouble.
 351  */
 352 typedef unsigned char   char_u;
 353 typedef unsigned short  short_u;
 354 typedef unsigned int    int_u;
 355 /* Make sure long_u is big enough to hold a pointer.
 356  * On Win64 longs are 32 bit and pointers 64 bit.
 357  * For printf() and scanf() we need to take care of long_u specifically. */
 358 #ifdef _WIN64
 359 typedef unsigned __int64 long_u;
 360 typedef          __int64 long_i;
 361 # define SCANF_HEX_LONG_U  "%Ix"
 362 # define PRINTF_HEX_LONG_U "0x%Ix"
 363 #else
 364 typedef unsigned long   long_u;
 365 typedef          long   long_i;
 366 # define SCANF_HEX_LONG_U  "%lx"
 367 # define PRINTF_HEX_LONG_U "0x%lx"
 368 #endif
 369
 370 /*
 371  * The characters and attributes cached for the screen.
 372  */
 373 typedef char_u schar_T;
 374 #ifdef FEAT_SYN_HL
 375 typedef unsigned short sattr_T;
 376 # define MAX_TYPENR 65535
 377 #else
 378 typedef unsigned char sattr_T;
 379 # define MAX_TYPENR 255
 380 #endif
 381
 382 /*
 383  * The u8char_T can hold one decoded UTF-8 character.
 384  * We normally use 32 bits now, since some Asian characters don't fit in 16
 385  * bits.  u8char_T is only used for displaying, it could be 16 bits to save
 386  * memory.
 387  */
 388 #ifdef FEAT_MBYTE
 389 # ifdef UNICODE16
 390 typedef unsigned short u8char_T;    /* short should be 16 bits */
 391 # else
 392 #  if SIZEOF_INT >= 4
 393 typedef unsigned int u8char_T;      /* int is 32 bits */
 394 #  else
 395 typedef unsigned long u8char_T;     /* long should be 32 bits or more */
 396 #  endif
 397 # endif
 398 #endif
 399
 400 #ifndef UNIX                /* For Unix this is included in os_unix.h */
 401 # include <stdio.h>
 402 # include <ctype.h>
 403 #endif
 404
 405 #include "ascii.h"
 406 #include "keymap.h"
 407 #include "term.h"
 408 #include "macros.h"
 409
 410 #ifdef LATTICE
 411 # include <sys/types.h>
 412 # include <sys/stat.h>
 413 #endif
 414 #ifdef _DCC
 415 # include <sys/stat.h>
 416 #endif
 417 #if defined(MSDOS) || defined(MSWIN)
 418 # include <sys/stat.h>
 419 #endif
 420
 421 /*
 422  * Allow other (non-unix) systems to configure themselves now
 423  * These are also in os_unix.h, because osdef.sh needs them there.
 424  */
 425 #ifndef UNIX
 426 /* Note: Some systems need both string.h and strings.h (Savage).  If the
 427  * system can't handle this, define NO_STRINGS_WITH_STRING_H. */
 428 # ifdef HAVE_STRING_H
 429 #  include <string.h>
 430 # endif
 431 # if defined(HAVE_STRINGS_H) && !defined(NO_STRINGS_WITH_STRING_H)
 432 #   include <strings.h>
 433 # endif
 434 # ifdef HAVE_STAT_H
 435 #  include <stat.h>
 436 # endif
 437 # ifdef HAVE_STDLIB_H
 438 #  include <stdlib.h>
 439 # endif
 440 #endif /* NON-UNIX */
 441
 442 #include <assert.h>
 443
 444 #ifdef HAVE_WCTYPE_H
 445 # include <wctype.h>
 446 #endif
 447 #ifdef HAVE_STDARG_H
 448 # include <stdarg.h>
 449 #endif
 450
 451 /* ================ end of the header file puzzle =============== */
 452
 453 /*
 454  * For dynamically loaded imm library. Currently, only for Win32.
 455  */
 456 #ifdef DYNAMIC_IME
 457 # ifndef FEAT_MBYTE_IME
 458 #  define FEAT_MBYTE_IME
 459 # endif
 460 #endif
 461
 462 /*
 463  * Check input method control.
 464  */
 465 #if defined(FEAT_XIM) || \
 466     (defined(FEAT_GUI) && (defined(FEAT_MBYTE_IME) || defined(GLOBAL_IME))) \
 467         || defined(FEAT_GUI_MACVIM)
 468 # define USE_IM_CONTROL
 469 #endif
 470
 471 /*
 472  * For dynamically loaded gettext library.  Currently, only for Win32.
 473  */
 474 #ifdef DYNAMIC_GETTEXT
 475 # ifndef FEAT_GETTEXT
 476 #  define FEAT_GETTEXT
 477 # endif
 478 /* These are in os_win32.c */
 479 extern char *(*dyn_libintl_gettext)(const char *msgid);
 480 extern char *(*dyn_libintl_bindtextdomain)(const char *domainname, const char *dirname);
 481 extern char *(*dyn_libintl_bind_textdomain_codeset)(const char *domainname, const char *codeset);
 482 extern char *(*dyn_libintl_textdomain)(const char *domainname);
 483 #endif
 484
 485
 486 /*
 487  * The _() stuff is for using gettext().  It is a no-op when libintl.h is not
 488  * found or the +multilang feature is disabled.
 489  */
 490 #ifdef FEAT_GETTEXT
 491 # ifdef DYNAMIC_GETTEXT
 492 #  define _(x) (*dyn_libintl_gettext)((char *)(x))
 493 #  define N_(x) x
 494 #  define bindtextdomain(domain, dir) (*dyn_libintl_bindtextdomain)((domain), (dir))
 495 #  define bind_textdomain_codeset(domain, codeset) (*dyn_libintl_bind_textdomain_codeset)((domain), (codeset))
 496 #  if !defined(HAVE_BIND_TEXTDOMAIN_CODESET)
 497 #   define HAVE_BIND_TEXTDOMAIN_CODESET 1
 498 #  endif
 499 #  define textdomain(domain) (*dyn_libintl_textdomain)(domain)
 500 # else
 501 #  include <libintl.h>
 502 #  define _(x) gettext((char *)(x))
 503 #  ifdef gettext_noop
 504 #   define N_(x) gettext_noop(x)
 505 #  else
 506 #   define N_(x) x
 507 #  endif
 508 # endif
 509 #else
 510 # define _(x) ((char *)(x))
 511 # define N_(x) x
 512 # ifdef bindtextdomain
 513 #  undef bindtextdomain
 514 # endif
 515 # define bindtextdomain(x, y) /* empty */
 516 # ifdef bind_textdomain_codeset
 517 #  undef bind_textdomain_codeset
 518 # endif
 519 # define bind_textdomain_codeset(x, y) /* empty */
 520 # ifdef textdomain
 521 #  undef textdomain
 522 # endif
 523 # define textdomain(x) /* empty */
 524 #endif
 525
 526 /*
 527  * flags for update_screen()
 528  * The higher the value, the higher the priority
 529  */
 530 #define VALID                   10  /* buffer not changed, or changes marked
 531                                        with b_mod_* */
 532 #define INVERTED                20  /* redisplay inverted part that changed */
 533 #define INVERTED_ALL            25  /* redisplay whole inverted part */
 534 #define REDRAW_TOP              30  /* display first w_upd_rows screen lines */
 535 #define SOME_VALID              35  /* like NOT_VALID but may scroll */
 536 #define NOT_VALID               40  /* buffer needs complete redraw */
 537 #define CLEAR                   50  /* screen messed up, clear it */
 538
 539 /*
 540  * Flags for w_valid.
 541  * These are set when something in a window structure becomes invalid, except
 542  * when the cursor is moved.  Call check_cursor_moved() before testing one of
 543  * the flags.
 544  * These are reset when that thing has been updated and is valid again.
 545  *
 546  * Every function that invalidates one of these must call one of the
 547  * invalidate_* functions.
 548  *
 549  * w_valid is supposed to be used only in screen.c.  From other files, use the
 550  * functions that set or reset the flags.
 551  *
 552  * VALID_BOTLINE    VALID_BOTLINE_AP
 553  *     on               on              w_botline valid
 554  *     off              on              w_botline approximated
 555  *     off              off             w_botline not valid
 556  *     on               off             not possible
 557  */
 558 #define VALID_WROW      0x01    /* w_wrow (window row) is valid */
 559 #define VALID_WCOL      0x02    /* w_wcol (window col) is valid */
 560 #define VALID_VIRTCOL   0x04    /* w_virtcol (file col) is valid */
 561 #define VALID_CHEIGHT   0x08    /* w_cline_height and w_cline_folded valid */
 562 #define VALID_CROW      0x10    /* w_cline_row is valid */
 563 #define VALID_BOTLINE   0x20    /* w_botine and w_empty_rows are valid */
 564 #define VALID_BOTLINE_AP 0x40   /* w_botine is approximated */
 565 #define VALID_TOPLINE   0x80    /* w_topline is valid (for cursor position) */
 566
 567 /*
 568  * Terminal highlighting attribute bits.
 569  * Attibutes above HL_ALL are used for syntax highlighting.
 570  */
 571 #define HL_NORMAL               0x00
 572 #define HL_INVERSE              0x01
 573 #define HL_BOLD                 0x02
 574 #define HL_ITALIC               0x04
 575 #define HL_UNDERLINE            0x08
 576 #define HL_UNDERCURL            0x10
 577 #define HL_STANDOUT             0x20
 578 #define HL_ALL                  0x3f
 579
 580 /* special attribute addition: Put message in history */
 581 #define MSG_HIST                0x1000
 582
 583 /*
 584  * values for State
 585  *
 586  * The lower bits up to 0x20 are used to distinguish normal/visual/op_pending
 587  * and cmdline/insert+replace mode.  This is used for mapping.  If none of
 588  * these bits are set, no mapping is done.
 589  * The upper bits are used to distinguish between other states.
 590  */
 591 #define NORMAL          0x01    /* Normal mode, command expected */
 592 #define VISUAL          0x02    /* Visual mode - use get_real_state() */
 593 #define OP_PENDING      0x04    /* Normal mode, operator is pending - use
 594                                    get_real_state() */
 595 #define CMDLINE         0x08    /* Editing command line */
 596 #define INSERT          0x10    /* Insert mode */
 597 #define LANGMAP         0x20    /* Language mapping, can be combined with
 598                                    INSERT and CMDLINE */
 599
 600 #define REPLACE_FLAG    0x40    /* Replace mode flag */
 601 #define REPLACE         (REPLACE_FLAG + INSERT)
 602 #ifdef FEAT_VREPLACE
 603 # define VREPLACE_FLAG  0x80    /* Virtual-replace mode flag */
 604 # define VREPLACE       (REPLACE_FLAG + VREPLACE_FLAG + INSERT)
 605 #endif
 606 #define LREPLACE        (REPLACE_FLAG + LANGMAP)
 607
 608 #define NORMAL_BUSY     (0x100 + NORMAL) /* Normal mode, busy with a command */
 609 #define HITRETURN       (0x200 + NORMAL) /* waiting for return or command */
 610 #define ASKMORE         0x300   /* Asking if you want --more-- */
 611 #define SETWSIZE        0x400   /* window size has changed */
 612 #define ABBREV          0x500   /* abbreviation instead of mapping */
 613 #define EXTERNCMD       0x600   /* executing an external command */
 614 #define SHOWMATCH       (0x700 + INSERT) /* show matching paren */
 615 #define CONFIRM         0x800   /* ":confirm" prompt */
 616 #define SELECTMODE      0x1000  /* Select mode, only for mappings */
 617
 618 #define MAP_ALL_MODES   (0x3f | SELECTMODE)     /* all mode bits used for
 619                                                  * mapping */
 620
 621 /* directions */
 622 #define FORWARD                 1
 623 #define BACKWARD                (-1)
 624 #define FORWARD_FILE            3
 625 #define BACKWARD_FILE           (-3)
 626
 627 /* return values for functions */
 628 #if !(defined(OK) && (OK == 1))
 629 /* OK already defined to 1 in MacOS X curses, skip this */
 630 # define OK                     1
 631 #endif
 632 #define FAIL                    0
 633 #define NOTDONE                 2   /* not OK or FAIL but skipped */
 634
 635 /* flags for b_flags */
 636 #define BF_RECOVERED    0x01    /* buffer has been recovered */
 637 #define BF_CHECK_RO     0x02    /* need to check readonly when loading file
 638                                    into buffer (set by ":e", may be reset by
 639                                    ":buf" */
 640 #define BF_NEVERLOADED  0x04    /* file has never been loaded into buffer,
 641                                    many variables still need to be set */
 642 #define BF_NOTEDITED    0x08    /* Set when file name is changed after
 643                                    starting to edit, reset when file is
 644                                    written out. */
 645 #define BF_NEW          0x10    /* file didn't exist when editing started */
 646 #define BF_NEW_W        0x20    /* Warned for BF_NEW and file created */
 647 #define BF_READERR      0x40    /* got errors while reading the file */
 648 #define BF_DUMMY        0x80    /* dummy buffer, only used internally */
 649 #define BF_PRESERVED    0x100   /* ":preserve" was used */
 650
 651 /* Mask to check for flags that prevent normal writing */
 652 #define BF_WRITE_MASK   (BF_NOTEDITED + BF_NEW + BF_READERR)
 653
 654 /*
 655  * values for xp_context when doing command line completion
 656  */
 657 #define EXPAND_UNSUCCESSFUL     (-2)
 658 #define EXPAND_OK               (-1)
 659 #define EXPAND_NOTHING          0
 660 #define EXPAND_COMMANDS         1
 661 #define EXPAND_FILES            2
 662 #define EXPAND_DIRECTORIES      3
 663 #define EXPAND_SETTINGS         4
 664 #define EXPAND_BOOL_SETTINGS    5
 665 #define EXPAND_TAGS             6
 666 #define EXPAND_OLD_SETTING      7
 667 #define EXPAND_HELP             8
 668 #define EXPAND_BUFFERS          9
 669 #define EXPAND_EVENTS           10
 670 #define EXPAND_MENUS            11
 671 #define EXPAND_SYNTAX           12
 672 #define EXPAND_HIGHLIGHT        13
 673 #define EXPAND_AUGROUP          14
 674 #define EXPAND_USER_VARS        15
 675 #define EXPAND_MAPPINGS         16
 676 #define EXPAND_TAGS_LISTFILES   17
 677 #define EXPAND_FUNCTIONS        18
 678 #define EXPAND_USER_FUNC        19
 679 #define EXPAND_EXPRESSION       20
 680 #define EXPAND_MENUNAMES        21
 681 #define EXPAND_USER_COMMANDS    22
 682 #define EXPAND_USER_CMD_FLAGS   23
 683 #define EXPAND_USER_NARGS       24
 684 #define EXPAND_USER_COMPLETE    25
 685 #define EXPAND_ENV_VARS         26
 686 #define EXPAND_LANGUAGE         27
 687 #define EXPAND_COLORS           28
 688 #define EXPAND_COMPILER         29
 689 #define EXPAND_USER_DEFINED     30
 690 #define EXPAND_USER_LIST        31
 691 #define EXPAND_SHELLCMD         32
 692
 693 /* Values for exmode_active (0 is no exmode) */
 694 #define EXMODE_NORMAL           1
 695 #define EXMODE_VIM              2
 696
 697 /* Values for nextwild() and ExpandOne().  See ExpandOne() for meaning. */
 698 #define WILD_FREE               1
 699 #define WILD_EXPAND_FREE        2
 700 #define WILD_EXPAND_KEEP        3
 701 #define WILD_NEXT               4
 702 #define WILD_PREV               5
 703 #define WILD_ALL                6
 704 #define WILD_LONGEST            7
 705
 706 #define WILD_LIST_NOTFOUND      1
 707 #define WILD_HOME_REPLACE       2
 708 #define WILD_USE_NL             4
 709 #define WILD_NO_BEEP            8
 710 #define WILD_ADD_SLASH          16
 711 #define WILD_KEEP_ALL           32
 712 #define WILD_SILENT             64
 713 #define WILD_ESCAPE             128
 714
 715 /* Flags for expand_wildcards() */
 716 #define EW_DIR          0x01    /* include directory names */
 717 #define EW_FILE         0x02    /* include file names */
 718 #define EW_NOTFOUND     0x04    /* include not found names */
 719 #define EW_ADDSLASH     0x08    /* append slash to directory name */
 720 #define EW_KEEPALL      0x10    /* keep all matches */
 721 #define EW_SILENT       0x20    /* don't print "1 returned" from shell */
 722 #define EW_EXEC         0x40    /* executable files */
 723 /* Note: mostly EW_NOTFOUND and EW_SILENT are mutually exclusive: EW_NOTFOUND
 724  * is used when executing commands and EW_SILENT for interactive expanding. */
 725
 726 #ifdef FEAT_VERTSPLIT
 727 # define W_WINCOL(wp)   (wp->w_wincol)
 728 # define W_WIDTH(wp)    (wp->w_width)
 729 # define W_ENDCOL(wp)   (wp->w_wincol + wp->w_width)
 730 # define W_VSEP_WIDTH(wp) (wp->w_vsep_width)
 731 #else
 732 # define W_WINCOL(wp)   0
 733 # define W_WIDTH(wp)    Columns
 734 # define W_ENDCOL(wp)   Columns
 735 # define W_VSEP_WIDTH(wp) 0
 736 #endif
 737 #ifdef FEAT_WINDOWS
 738 # define W_STATUS_HEIGHT(wp) (wp->w_status_height)
 739 # define W_WINROW(wp)   (wp->w_winrow)
 740 #else
 741 # define W_STATUS_HEIGHT(wp) 0
 742 # define W_WINROW(wp)   0
 743 #endif
 744
 745 #ifdef NO_EXPANDPATH
 746 # define gen_expand_wildcards mch_expand_wildcards
 747 #endif
 748
 749 /* Values for the find_pattern_in_path() function args 'type' and 'action': */
 750 #define FIND_ANY        1
 751 #define FIND_DEFINE     2
 752 #define CHECK_PATH      3
 753
 754 #define ACTION_SHOW     1
 755 #define ACTION_GOTO     2
 756 #define ACTION_SPLIT    3
 757 #define ACTION_SHOW_ALL 4
 758 #ifdef FEAT_INS_EXPAND
 759 # define ACTION_EXPAND  5
 760 #endif
 761
 762 #ifdef FEAT_SYN_HL
 763 # define SST_MIN_ENTRIES 150    /* minimal size for state stack array */
 764 # ifdef FEAT_GUI_W16
 765 #  define SST_MAX_ENTRIES 500   /* (only up to 64K blocks) */
 766 # else
 767 #  define SST_MAX_ENTRIES 1000  /* maximal size for state stack array */
 768 # endif
 769 # define SST_FIX_STATES  7      /* size of sst_stack[]. */
 770 # define SST_DIST        16     /* normal distance between entries */
 771 #endif
 772
 773 /* Values for 'options' argument in do_search() and searchit() */
 774 #define SEARCH_REV    0x01  /* go in reverse of previous dir. */
 775 #define SEARCH_ECHO   0x02  /* echo the search command and handle options */
 776 #define SEARCH_MSG    0x0c  /* give messages (yes, it's not 0x04) */
 777 #define SEARCH_NFMSG  0x08  /* give all messages except not found */
 778 #define SEARCH_OPT    0x10  /* interpret optional flags */
 779 #define SEARCH_HIS    0x20  /* put search pattern in history */
 780 #define SEARCH_END    0x40  /* put cursor at end of match */
 781 #define SEARCH_NOOF   0x80  /* don't add offset to position */
 782 #define SEARCH_START 0x100  /* start search without col offset */
 783 #define SEARCH_MARK  0x200  /* set previous context mark */
 784 #define SEARCH_KEEP  0x400  /* keep previous search pattern */
 785 #define SEARCH_PEEK  0x800  /* peek for typed char, cancel search */
 786
 787 /* Values for find_ident_under_cursor() */
 788 #define FIND_IDENT      1       /* find identifier (word) */
 789 #define FIND_STRING     2       /* find any string (WORD) */
 790 #define FIND_EVAL       4       /* include "->", "[]" and "." */
 791
 792 /* Values for file_name_in_line() */
 793 #define FNAME_MESS      1       /* give error message */
 794 #define FNAME_EXP       2       /* expand to path */
 795 #define FNAME_HYP       4       /* check for hypertext link */
 796 #define FNAME_INCL      8       /* apply 'includeexpr' */
 797 #define FNAME_REL       16      /* ".." and "./" are relative to the (current)
 798                                    file instead of the current directory */
 799
 800 /* Values for buflist_getfile() */
 801 #define GETF_SETMARK    0x01    /* set pcmark before jumping */
 802 #define GETF_ALT        0x02    /* jumping to alternate file (not buf num) */
 803 #define GETF_SWITCH     0x04    /* respect 'switchbuf' settings when jumping */
 804
 805 /* Values for buflist_new() flags */
 806 #define BLN_CURBUF      1       /* May re-use curbuf for new buffer */
 807 #define BLN_LISTED      2       /* Put new buffer in buffer list */
 808 #define BLN_DUMMY       4       /* Allocating dummy buffer */
 809
 810 /* Values for in_cinkeys() */
 811 #define KEY_OPEN_FORW   0x101
 812 #define KEY_OPEN_BACK   0x102
 813 #define KEY_COMPLETE    0x103   /* end of completion */
 814
 815 /* Values for "noremap" argument of ins_typebuf().  Also used for
 816  * map->m_noremap and menu->noremap[]. */
 817 #define REMAP_YES       0       /* allow remapping */
 818 #define REMAP_NONE      -1      /* no remapping */
 819 #define REMAP_SCRIPT    -2      /* remap script-local mappings only */
 820 #define REMAP_SKIP      -3      /* no remapping for first char */
 821
 822 /* Values for mch_call_shell() second argument */
 823 #define SHELL_FILTER    1       /* filtering text */
 824 #define SHELL_EXPAND    2       /* expanding wildcards */
 825 #define SHELL_COOKED    4       /* set term to cooked mode */
 826 #define SHELL_DOOUT     8       /* redirecting output */
 827 #define SHELL_SILENT    16      /* don't print error returned by command */
 828 #define SHELL_READ      32      /* read lines and insert into buffer */
 829 #define SHELL_WRITE     64      /* write lines from buffer */
 830
 831 /* Values returned by mch_nodetype() */
 832 #define NODE_NORMAL     0       /* file or directory, check with mch_isdir()*/
 833 #define NODE_WRITABLE   1       /* something we can write to (character
 834                                    device, fifo, socket, ..) */
 835 #define NODE_OTHER      2       /* non-writable thing (e.g., block device) */
 836
 837 /* Values for readfile() flags */
 838 #define READ_NEW        0x01    /* read a file into a new buffer */
 839 #define READ_FILTER     0x02    /* read filter output */
 840 #define READ_STDIN      0x04    /* read from stdin */
 841 #define READ_BUFFER     0x08    /* read from curbuf (converting stdin) */
 842 #define READ_DUMMY      0x10    /* reading into a dummy buffer */
 843
 844 /* Values for change_indent() */
 845 #define INDENT_SET      1       /* set indent */
 846 #define INDENT_INC      2       /* increase indent */
 847 #define INDENT_DEC      3       /* decrease indent */
 848
 849 /* Values for flags argument for findmatchlimit() */
 850 #define FM_BACKWARD     0x01    /* search backwards */
 851 #define FM_FORWARD      0x02    /* search forwards */
 852 #define FM_BLOCKSTOP    0x04    /* stop at start/end of block */
 853 #define FM_SKIPCOMM     0x08    /* skip comments */
 854
 855 /* Values for action argument for do_buffer() */
 856 #define DOBUF_GOTO      0       /* go to specified buffer */
 857 #define DOBUF_SPLIT     1       /* split window and go to specified buffer */
 858 #define DOBUF_UNLOAD    2       /* unload specified buffer(s) */
 859 #define DOBUF_DEL       3       /* delete specified buffer(s) from buflist */
 860 #define DOBUF_WIPE      4       /* delete specified buffer(s) really */
 861
 862 /* Values for start argument for do_buffer() */
 863 #define DOBUF_CURRENT   0       /* "count" buffer from current buffer */
 864 #define DOBUF_FIRST     1       /* "count" buffer from first buffer */
 865 #define DOBUF_LAST      2       /* "count" buffer from last buffer */
 866 #define DOBUF_MOD       3       /* "count" mod. buffer from current buffer */
 867
 868 /* Values for sub_cmd and which_pat argument for search_regcomp() */
 869 /* Also used for which_pat argument for searchit() */
 870 #define RE_SEARCH       0       /* save/use pat in/from search_pattern */
 871 #define RE_SUBST        1       /* save/use pat in/from subst_pattern */
 872 #define RE_BOTH         2       /* save pat in both patterns */
 873 #define RE_LAST         2       /* use last used pattern if "pat" is NULL */
 874
 875 /* Second argument for vim_regcomp(). */
 876 #define RE_MAGIC        1       /* 'magic' option */
 877 #define RE_STRING       2       /* match in string instead of buffer text */
 878 #define RE_STRICT       4       /* don't allow [abc] without ] */
 879
 880 #ifdef FEAT_SYN_HL
 881 /* values for reg_do_extmatch */
 882 # define REX_SET        1       /* to allow \z\(...\), */
 883 # define REX_USE        2       /* to allow \z\1 et al. */
 884 #endif
 885
 886 /* Return values for fullpathcmp() */
 887 /* Note: can use (fullpathcmp() & FPC_SAME) to check for equal files */
 888 #define FPC_SAME        1       /* both exist and are the same file. */
 889 #define FPC_DIFF        2       /* both exist and are different files. */
 890 #define FPC_NOTX        4       /* both don't exist. */
 891 #define FPC_DIFFX       6       /* one of them doesn't exist. */
 892 #define FPC_SAMEX       7       /* both don't exist and file names are same. */
 893
 894 /* flags for do_ecmd() */
 895 #define ECMD_HIDE       0x01    /* don't free the current buffer */
 896 #define ECMD_SET_HELP   0x02    /* set b_help flag of (new) buffer before
 897                                    opening file */
 898 #define ECMD_OLDBUF     0x04    /* use existing buffer if it exists */
 899 #define ECMD_FORCEIT    0x08    /* ! used in Ex command */
 900 #define ECMD_ADDBUF     0x10    /* don't edit, just add to buffer list */
 901
 902 /* for lnum argument in do_ecmd() */
 903 #define ECMD_LASTL      (linenr_T)0     /* use last position in loaded file */
 904 #define ECMD_LAST       (linenr_T)-1    /* use last position in all files */
 905 #define ECMD_ONE        (linenr_T)1     /* use first line */
 906
 907 /* flags for do_cmdline() */
 908 #define DOCMD_VERBOSE   0x01    /* included command in error message */
 909 #define DOCMD_NOWAIT    0x02    /* don't call wait_return() and friends */
 910 #define DOCMD_REPEAT    0x04    /* repeat exec. until getline() returns NULL */
 911 #define DOCMD_KEYTYPED  0x08    /* don't reset KeyTyped */
 912 #define DOCMD_EXCRESET  0x10    /* reset exception environment (for debugging)*/
 913 #define DOCMD_KEEPLINE  0x20    /* keep typed line for repeating with "." */
 914
 915 /* flags for beginline() */
 916 #define BL_WHITE        1       /* cursor on first non-white in the line */
 917 #define BL_SOL          2       /* use 'sol' option */
 918 #define BL_FIX          4       /* don't leave cursor on a NUL */
 919
 920 /* flags for mf_sync() */
 921 #define MFS_ALL         1       /* also sync blocks with negative numbers */
 922 #define MFS_STOP        2       /* stop syncing when a character is available */
 923 #define MFS_FLUSH       4       /* flushed file to disk */
 924 #define MFS_ZERO        8       /* only write block 0 */
 925
 926 /* flags for buf_copy_options() */
 927 #define BCO_ENTER       1       /* going to enter the buffer */
 928 #define BCO_ALWAYS      2       /* always copy the options */
 929 #define BCO_NOHELP      4       /* don't touch the help related options */
 930
 931 /* flags for do_put() */
 932 #define PUT_FIXINDENT   1       /* make indent look nice */
 933 #define PUT_CURSEND     2       /* leave cursor after end of new text */
 934 #define PUT_CURSLINE    4       /* leave cursor on last line of new text */
 935 #define PUT_LINE        8       /* put register as lines */
 936 #define PUT_LINE_SPLIT  16      /* split line for linewise register */
 937 #define PUT_LINE_FORWARD 32     /* put linewise register below Visual sel. */
 938
 939 /* flags for set_indent() */
 940 #define SIN_CHANGED     1       /* call changed_bytes() when line changed */
 941 #define SIN_INSERT      2       /* insert indent before existing text */
 942 #define SIN_UNDO        4       /* save line for undo before changing it */
 943
 944 /* flags for insertchar() */
 945 #define INSCHAR_FORMAT  1       /* force formatting */
 946 #define INSCHAR_DO_COM  2       /* format comments */
 947 #define INSCHAR_CTRLV   4       /* char typed just after CTRL-V */
 948
 949 /* flags for open_line() */
 950 #define OPENLINE_DELSPACES  1   /* delete spaces after cursor */
 951 #define OPENLINE_DO_COM     2   /* format comments */
 952 #define OPENLINE_KEEPTRAIL  4   /* keep trailing spaces */
 953 #define OPENLINE_MARKFIX    8   /* fix mark positions */
 954
 955 /*
 956  * There are four history tables:
 957  */
 958 #define HIST_CMD        0       /* colon commands */
 959 #define HIST_SEARCH     1       /* search commands */
 960 #define HIST_EXPR       2       /* expressions (from entering = register) */
 961 #define HIST_INPUT      3       /* input() lines */
 962 #define HIST_DEBUG      4       /* debug commands */
 963 #define HIST_COUNT      5       /* number of history tables */
 964
 965 /*
 966  * Flags for chartab[].
 967  */
 968 #define CT_CELL_MASK    0x07    /* mask: nr of display cells (1, 2 or 4) */
 969 #define CT_PRINT_CHAR   0x10    /* flag: set for printable chars */
 970 #define CT_ID_CHAR      0x20    /* flag: set for ID chars */
 971 #define CT_FNAME_CHAR   0x40    /* flag: set for file name chars */
 972
 973 /*
 974  * Values for do_tag().
 975  */
 976 #define DT_TAG          1       /* jump to newer position or same tag again */
 977 #define DT_POP          2       /* jump to older position */
 978 #define DT_NEXT         3       /* jump to next match of same tag */
 979 #define DT_PREV         4       /* jump to previous match of same tag */
 980 #define DT_FIRST        5       /* jump to first match of same tag */
 981 #define DT_LAST         6       /* jump to first match of same tag */
 982 #define DT_SELECT       7       /* jump to selection from list */
 983 #define DT_HELP         8       /* like DT_TAG, but no wildcards */
 984 #define DT_JUMP         9       /* jump to new tag or selection from list */
 985 #define DT_CSCOPE       10      /* cscope find command (like tjump) */
 986 #define DT_LTAG         11      /* tag using location list */
 987 #define DT_FREE         99      /* free cached matches */
 988
 989 /*
 990  * flags for find_tags().
 991  */
 992 #define TAG_HELP        1       /* only search for help tags */
 993 #define TAG_NAMES       2       /* only return name of tag */
 994 #define TAG_REGEXP      4       /* use tag pattern as regexp */
 995 #define TAG_NOIC        8       /* don't always ignore case */
 996 #ifdef FEAT_CSCOPE
 997 # define TAG_CSCOPE     16      /* cscope tag */
 998 #endif
 999 #define TAG_VERBOSE     32      /* message verbosity */
1000 #define TAG_INS_COMP    64      /* Currently doing insert completion */
1001 #define TAG_KEEP_LANG   128     /* keep current language */
1002
1003 #define TAG_MANY        200     /* When finding many tags (for completion),
1004                                    find up to this many tags */
1005
1006 /*
1007  * Types of dialogs passed to do_vim_dialog().
1008  */
1009 #define VIM_GENERIC     0
1010 #define VIM_ERROR       1
1011 #define VIM_WARNING     2
1012 #define VIM_INFO        3
1013 #define VIM_QUESTION    4
1014 #define VIM_LAST_TYPE   4       /* sentinel value */
1015
1016 /*
1017  * Return values for functions like gui_yesnocancel()
1018  */
1019 #define VIM_YES         2
1020 #define VIM_NO          3
1021 #define VIM_CANCEL      4
1022 #define VIM_ALL         5
1023 #define VIM_DISCARDALL  6
1024
1025 /*
1026  * arguments for win_split()
1027  */
1028 #define WSP_ROOM        1       /* require enough room */
1029 #define WSP_VERT        2       /* split vertically */
1030 #define WSP_TOP         4       /* window at top-left of shell */
1031 #define WSP_BOT         8       /* window at bottom-right of shell */
1032 #define WSP_HELP        16      /* creating the help window */
1033 #define WSP_BELOW       32      /* put new window below/right */
1034 #define WSP_ABOVE       64      /* put new window above/left */
1035
1036 /*
1037  * arguments for gui_set_shellsize()
1038  */
1039 #define RESIZE_VERT     1       /* resize vertically */
1040 #define RESIZE_HOR      2       /* resize horizontally */
1041 #define RESIZE_BOTH     15      /* resize in both directions */
1042
1043 /*
1044  * "flags" values for option-setting functions.
1045  * When OPT_GLOBAL and OPT_LOCAL are both missing, set both local and global
1046  * values, get local value.
1047  */
1048 #define OPT_FREE        1       /* free old value if it was allocated */
1049 #define OPT_GLOBAL      2       /* use global value */
1050 #define OPT_LOCAL       4       /* use local value */
1051 #define OPT_MODELINE    8       /* option in modeline */
1052 #define OPT_WINONLY     16      /* only set window-local options */
1053 #define OPT_NOWIN       32      /* don't set window-local options */
1054
1055 /* Magic chars used in confirm dialog strings */
1056 #define DLG_BUTTON_SEP  '\n'
1057 #define DLG_HOTKEY_CHAR '&'
1058
1059 /* Values for "starting" */
1060 #define NO_SCREEN       2       /* no screen updating yet */
1061 #define NO_BUFFERS      1       /* not all buffers loaded yet */
1062 /*                      0          not starting anymore */
1063
1064 /* Values for swap_exists_action: what to do when swap file already exists */
1065 #define SEA_NONE        0       /* don't use dialog */
1066 #define SEA_DIALOG      1       /* use dialog when possible */
1067 #define SEA_QUIT        2       /* quit editing the file */
1068 #define SEA_RECOVER     3       /* recover the file */
1069
1070 /*
1071  * Minimal size for block 0 of a swap file.
1072  * NOTE: This depends on size of struct block0! It's not done with a sizeof(),
1073  * because struct block0 is defined in memline.c (Sorry).
1074  * The maximal block size is arbitrary.
1075  */
1076 #define MIN_SWAP_PAGE_SIZE 1048
1077 #define MAX_SWAP_PAGE_SIZE 50000
1078
1079 /* Special values for current_SID. */
1080 #define SID_MODELINE    -1      /* when using a modeline */
1081 #define SID_CMDARG      -2      /* for "--cmd" argument */
1082 #define SID_CARG        -3      /* for "-c" argument */
1083 #define SID_ENV         -4      /* for sourcing environment variable */
1084 #define SID_ERROR       -5      /* option was reset because of an error */
1085 #define SID_NONE        -6      /* don't set scriptID */
1086
1087 /*
1088  * Events for autocommands.
1089  */
1090 enum auto_event
1091 {
1092     EVENT_BUFADD = 0,           /* after adding a buffer to the buffer list */
1093     EVENT_BUFNEW,               /* after creating any buffer */
1094     EVENT_BUFDELETE,            /* deleting a buffer from the buffer list */
1095     EVENT_BUFWIPEOUT,           /* just before really deleting a buffer */
1096     EVENT_BUFENTER,             /* after entering a buffer */
1097     EVENT_BUFFILEPOST,          /* after renaming a buffer */
1098     EVENT_BUFFILEPRE,           /* before renaming a buffer */
1099     EVENT_BUFLEAVE,             /* before leaving a buffer */
1100     EVENT_BUFNEWFILE,           /* when creating a buffer for a new file */
1101     EVENT_BUFREADPOST,          /* after reading a buffer */
1102     EVENT_BUFREADPRE,           /* before reading a buffer */
1103     EVENT_BUFREADCMD,           /* read buffer using command */
1104     EVENT_BUFUNLOAD,            /* just before unloading a buffer */
1105     EVENT_BUFHIDDEN,            /* just after buffer becomes hidden */
1106     EVENT_BUFWINENTER,          /* after showing a buffer in a window */
1107     EVENT_BUFWINLEAVE,          /* just after buffer removed from window */
1108     EVENT_BUFWRITEPOST,         /* after writing a buffer */
1109     EVENT_BUFWRITEPRE,          /* before writing a buffer */
1110     EVENT_BUFWRITECMD,          /* write buffer using command */
1111     EVENT_CMDWINENTER,          /* after entering the cmdline window */
1112     EVENT_CMDWINLEAVE,          /* before leaving the cmdline window */
1113     EVENT_COLORSCHEME,          /* after loading a colorscheme */
1114     EVENT_FILEAPPENDPOST,       /* after appending to a file */
1115     EVENT_FILEAPPENDPRE,        /* before appending to a file */
1116     EVENT_FILEAPPENDCMD,        /* append to a file using command */
1117     EVENT_FILECHANGEDSHELL,     /* after shell command that changed file */
1118     EVENT_FILECHANGEDSHELLPOST, /* after (not) reloading changed file */
1119     EVENT_FILECHANGEDRO,        /* before first change to read-only file */
1120     EVENT_FILEREADPOST,         /* after reading a file */
1121     EVENT_FILEREADPRE,          /* before reading a file */
1122     EVENT_FILEREADCMD,          /* read from a file using command */
1123     EVENT_FILETYPE,             /* new file type detected (user defined) */
1124     EVENT_FILEWRITEPOST,        /* after writing a file */
1125     EVENT_FILEWRITEPRE,         /* before writing a file */
1126     EVENT_FILEWRITECMD,         /* write to a file using command */
1127     EVENT_FILTERREADPOST,       /* after reading from a filter */
1128     EVENT_FILTERREADPRE,        /* before reading from a filter */
1129     EVENT_FILTERWRITEPOST,      /* after writing to a filter */
1130     EVENT_FILTERWRITEPRE,       /* before writing to a filter */
1131     EVENT_FOCUSGAINED,          /* got the focus */
1132     EVENT_FOCUSLOST,            /* lost the focus to another app */
1133     EVENT_GUIENTER,             /* after starting the GUI */
1134     EVENT_GUIFAILED,            /* after starting the GUI failed */
1135     EVENT_INSERTCHANGE,         /* when changing Insert/Replace mode */
1136     EVENT_INSERTENTER,          /* when entering Insert mode */
1137     EVENT_INSERTLEAVE,          /* when leaving Insert mode */
1138     EVENT_MENUPOPUP,            /* just before popup menu is displayed */
1139     EVENT_QUICKFIXCMDPOST,      /* after :make, :grep etc */
1140     EVENT_QUICKFIXCMDPRE,       /* before :make, :grep etc */
1141     EVENT_SESSIONLOADPOST,      /* after loading a session file */
1142     EVENT_STDINREADPOST,        /* after reading from stdin */
1143     EVENT_STDINREADPRE,         /* before reading from stdin */
1144     EVENT_SYNTAX,               /* syntax selected */
1145     EVENT_TERMCHANGED,          /* after changing 'term' */
1146     EVENT_TERMRESPONSE,         /* after setting "v:termresponse" */
1147     EVENT_USER,                 /* user defined autocommand */
1148     EVENT_VIMENTER,             /* after starting Vim */
1149     EVENT_VIMLEAVE,             /* before exiting Vim */
1150     EVENT_VIMLEAVEPRE,          /* before exiting Vim and writing .viminfo */
1151     EVENT_VIMRESIZED,           /* after Vim window was resized */
1152     EVENT_WINENTER,             /* after entering a window */
1153     EVENT_WINLEAVE,             /* before leaving a window */
1154     EVENT_ENCODINGCHANGED,      /* after changing the 'encoding' option */
1155     EVENT_CURSORHOLD,           /* cursor in same position for a while */
1156     EVENT_CURSORHOLDI,          /* idem, in Insert mode */
1157     EVENT_FUNCUNDEFINED,        /* if calling a function which doesn't exist */
1158     EVENT_REMOTEREPLY,          /* upon string reception from a remote vim */
1159     EVENT_SWAPEXISTS,           /* found existing swap file */
1160     EVENT_SOURCEPRE,            /* before sourcing a Vim script */
1161     EVENT_SOURCECMD,            /* sourcing a Vim script using command */
1162     EVENT_SPELLFILEMISSING,     /* spell file missing */
1163     EVENT_CURSORMOVED,          /* cursor was moved */
1164     EVENT_CURSORMOVEDI,         /* cursor was moved in Insert mode */
1165     EVENT_TABLEAVE,             /* before leaving a tab page */
1166     EVENT_TABENTER,             /* after entering a tab page */
1167     EVENT_SHELLCMDPOST,         /* after ":!cmd" */
1168     EVENT_SHELLFILTERPOST,      /* after ":1,2!cmd", ":w !cmd", ":r !cmd". */
1169     NUM_EVENTS                  /* MUST be the last one */
1170 };
1171
1172 typedef enum auto_event event_T;
1173
1174 /*
1175  * Values for index in highlight_attr[].
1176  * When making changes, also update HL_FLAGS below!  And update the default
1177  * value of 'highlight' in option.c.
1178  */
1179 typedef enum
1180 {
1181     HLF_8 = 0       /* Meta & special keys listed with ":map", text that is
1182                        displayed different from what it is */
1183     , HLF_AT        /* @ and ~ characters at end of screen, characters that
1184                        don't really exist in the text */
1185     , HLF_D         /* directories in CTRL-D listing */
1186     , HLF_E         /* error messages */
1187     , HLF_H         /* obsolete, ignored */
1188     , HLF_I         /* incremental search */
1189     , HLF_L         /* last search string */
1190     , HLF_M         /* "--More--" message */
1191     , HLF_CM        /* Mode (e.g., "-- INSERT --") */
1192     , HLF_N         /* line number for ":number" and ":#" commands */
1193     , HLF_R         /* return to continue message and yes/no questions */
1194     , HLF_S         /* status lines */
1195     , HLF_SNC       /* status lines of not-current windows */
1196     , HLF_C         /* column to separate vertically split windows */
1197     , HLF_T         /* Titles for output from ":set all", ":autocmd" etc. */
1198     , HLF_V         /* Visual mode */
1199     , HLF_VNC       /* Visual mode, autoselecting and not clipboard owner */
1200     , HLF_W         /* warning messages */
1201     , HLF_WM        /* Wildmenu highlight */
1202     , HLF_FL        /* Folded line */
1203     , HLF_FC        /* Fold column */
1204     , HLF_ADD       /* Added diff line */
1205     , HLF_CHD       /* Changed diff line */
1206     , HLF_DED       /* Deleted diff line */
1207     , HLF_TXD       /* Text Changed in diff line */
1208     , HLF_SC        /* Sign column */
1209     , HLF_SPB       /* SpellBad */
1210     , HLF_SPC       /* SpellCap */
1211     , HLF_SPR       /* SpellRare */
1212     , HLF_SPL       /* SpellLocal */
1213     , HLF_PNI       /* popup menu normal item */
1214     , HLF_PSI       /* popup menu selected item */
1215     , HLF_PSB       /* popup menu scrollbar */
1216     , HLF_PST       /* popup menu scrollbar thumb */
1217     , HLF_TP        /* tabpage line */
1218     , HLF_TPS       /* tabpage line selected */
1219     , HLF_TPF       /* tabpage line filler */
1220     , HLF_CUC       /* 'cursurcolumn' */
1221     , HLF_CUL       /* 'cursurline' */
1222     , HLF_COUNT     /* MUST be the last one */
1223 } hlf_T;
1224
1225 /* The HL_FLAGS must be in the same order as the HLF_ enums!
1226  * When chainging this also adjust the default for 'highlight'. */
1227 #define HL_FLAGS {'8', '@', 'd', 'e', 'h', 'i', 'l', 'm', 'M', \
1228                   'n', 'r', 's', 'S', 'c', 't', 'v', 'V', 'w', 'W', \
1229                   'f', 'F', 'A', 'C', 'D', 'T', '>', \
1230                   'B', 'P', 'R', 'L', \
1231                   '+', '=', 'x', 'X', '*', '#', '_', '!', '.'}
1232
1233 /*
1234  * Boolean constants
1235  */
1236 #ifndef TRUE
1237 # define FALSE  0           /* note: this is an int, not a long! */
1238 # define TRUE   1
1239 #endif
1240
1241 #define MAYBE   2           /* sometimes used for a variant on TRUE */
1242
1243 /*
1244  * Operator IDs; The order must correspond to opchars[] in ops.c!
1245  */
1246 #define OP_NOP          0       /* no pending operation */
1247 #define OP_DELETE       1       /* "d"  delete operator */
1248 #define OP_YANK         2       /* "y"  yank operator */
1249 #define OP_CHANGE       3       /* "c"  change operator */
1250 #define OP_LSHIFT       4       /* "<"  left shift operator */
1251 #define OP_RSHIFT       5       /* ">"  right shift operator */
1252 #define OP_FILTER       6       /* "!"  filter operator */
1253 #define OP_TILDE        7       /* "g~" switch case operator */
1254 #define OP_INDENT       8       /* "="  indent operator */
1255 #define OP_FORMAT       9       /* "gq" format operator */
1256 #define OP_COLON        10      /* ":"  colon operator */
1257 #define OP_UPPER        11      /* "gU" make upper case operator */
1258 #define OP_LOWER        12      /* "gu" make lower case operator */
1259 #define OP_JOIN         13      /* "J"  join operator, only for Visual mode */
1260 #define OP_JOIN_NS      14      /* "gJ"  join operator, only for Visual mode */
1261 #define OP_ROT13        15      /* "g?" rot-13 encoding */
1262 #define OP_REPLACE      16      /* "r"  replace chars, only for Visual mode */
1263 #define OP_INSERT       17      /* "I"  Insert column, only for Visual mode */
1264 #define OP_APPEND       18      /* "A"  Append column, only for Visual mode */
1265 #define OP_FOLD         19      /* "zf" define a fold */
1266 #define OP_FOLDOPEN     20      /* "zo" open folds */
1267 #define OP_FOLDOPENREC  21      /* "zO" open folds recursively */
1268 #define OP_FOLDCLOSE    22      /* "zc" close folds */
1269 #define OP_FOLDCLOSEREC 23      /* "zC" close folds recursively */
1270 #define OP_FOLDDEL      24      /* "zd" delete folds */
1271 #define OP_FOLDDELREC   25      /* "zD" delete folds recursively */
1272 #define OP_FORMAT2      26      /* "gw" format operator, keeps cursor pos */
1273 #define OP_FUNCTION     27      /* "g@" call 'operatorfunc' */
1274
1275 /*
1276  * Motion types, used for operators and for yank/delete registers.
1277  */
1278 #define MCHAR   0               /* character-wise movement/register */
1279 #define MLINE   1               /* line-wise movement/register */
1280 #define MBLOCK  2               /* block-wise register */
1281
1282 #define MAUTO   0xff            /* Decide between MLINE/MCHAR */
1283
1284 /*
1285  * Minimum screen size
1286  */
1287 #define MIN_COLUMNS     12      /* minimal columns for screen */
1288 #define MIN_LINES       2       /* minimal lines for screen */
1289 #define STATUS_HEIGHT   1       /* height of a status line under a window */
1290 #define QF_WINHEIGHT    10      /* default height for quickfix window */
1291
1292 /*
1293  * Buffer sizes
1294  */
1295 #ifndef CMDBUFFSIZE
1296 # define CMDBUFFSIZE    256     /* size of the command processing buffer */
1297 #endif
1298
1299 #define LSIZE       512         /* max. size of a line in the tags file */
1300
1301 #define IOSIZE     (1024+1)     /* file i/o and sprintf buffer size */
1302
1303 #ifdef FEAT_MBYTE
1304 # define MSG_BUF_LEN 480        /* length of buffer for small messages */
1305 # define MSG_BUF_CLEN  (MSG_BUF_LEN / 6)    /* cell length (worst case: utf-8
1306                                                takes 6 bytes for one cell) */
1307 #else
1308 # define MSG_BUF_LEN 80         /* length of buffer for small messages */
1309 # define MSG_BUF_CLEN  MSG_BUF_LEN          /* cell length */
1310 #endif
1311
1312 #if defined(AMIGA) || defined(__linux__) || defined(__QNX__) || defined(__CYGWIN32__) || defined(_AIX)
1313 # define TBUFSZ 2048            /* buffer size for termcap entry */
1314 #else
1315 # define TBUFSZ 1024            /* buffer size for termcap entry */
1316 #endif
1317
1318 /*
1319  * Maximum length of key sequence to be mapped.
1320  * Must be able to hold an Amiga resize report.
1321  */
1322 #define MAXMAPLEN   50
1323
1324 #ifdef BINARY_FILE_IO
1325 # define WRITEBIN   "wb"        /* no CR-LF translation */
1326 # define READBIN    "rb"
1327 # define APPENDBIN  "ab"
1328 #else
1329 # define WRITEBIN   "w"
1330 # define READBIN    "r"
1331 # define APPENDBIN  "a"
1332 #endif
1333
1334 /*
1335  * EMX doesn't have a global way of making open() use binary I/O.
1336  * Use O_BINARY for all open() calls.
1337  */
1338 #if defined(__EMX__) || defined(__CYGWIN32__)
1339 # define O_EXTRA    O_BINARY
1340 #else
1341 # define O_EXTRA    0
1342 #endif
1343
1344 #ifndef O_NOFOLLOW
1345 # define O_NOFOLLOW 0
1346 #endif
1347
1348 #ifndef W_OK
1349 # define W_OK 2         /* for systems that don't have W_OK in unistd.h */
1350 #endif
1351 #ifndef R_OK
1352 # define R_OK 4         /* for systems that don't have R_OK in unistd.h */
1353 #endif
1354
1355 /*
1356  * defines to avoid typecasts from (char_u *) to (char *) and back
1357  * (vim_strchr() and vim_strrchr() are now in alloc.c)
1358  */
1359 #define STRLEN(s)           strlen((char *)(s))
1360 #define STRCPY(d, s)        strcpy((char *)(d), (char *)(s))
1361 #define STRNCPY(d, s, n)    strncpy((char *)(d), (char *)(s), (size_t)(n))
1362 #define STRCMP(d, s)        strcmp((char *)(d), (char *)(s))
1363 #define STRNCMP(d, s, n)    strncmp((char *)(d), (char *)(s), (size_t)(n))
1364 #ifdef HAVE_STRCASECMP
1365 # define STRICMP(d, s)      strcasecmp((char *)(d), (char *)(s))
1366 #else
1367 # ifdef HAVE_STRICMP
1368 #  define STRICMP(d, s)     stricmp((char *)(d), (char *)(s))
1369 # else
1370 #  define STRICMP(d, s)     vim_stricmp((char *)(d), (char *)(s))
1371 # endif
1372 #endif
1373
1374 #ifdef HAVE_STRNCASECMP
1375 # define STRNICMP(d, s, n)  strncasecmp((char *)(d), (char *)(s), (size_t)(n))
1376 #else
1377 # ifdef HAVE_STRNICMP
1378 #  define STRNICMP(d, s, n) strnicmp((char *)(d), (char *)(s), (size_t)(n))
1379 # else
1380 #  define STRNICMP(d, s, n) vim_strnicmp((char *)(d), (char *)(s), (size_t)(n))
1381 # endif
1382 #endif
1383
1384 #ifdef FEAT_MBYTE
1385 /* We need to call mb_stricmp() even when we aren't dealing with a multi-byte
1386  * encoding because mb_stricmp() takes care of all ascii and non-ascii
1387  * encodings, including characters with umluats in latin1, etc., while
1388  * STRICMP() only handles the system locale version, which often does not
1389  * handle non-ascii properly. */
1390
1391 # define MB_STRICMP(d, s)       mb_strnicmp((char_u *)(d), (char_u *)(s), (int)MAXCOL)
1392 # define MB_STRNICMP(d, s, n)   mb_strnicmp((char_u *)(d), (char_u *)(s), (int)(n))
1393 #else
1394 # define MB_STRICMP(d, s)       STRICMP((d), (s))
1395 # define MB_STRNICMP(d, s, n)   STRNICMP((d), (s), (n))
1396 #endif
1397
1398 #define STRCAT(d, s)        strcat((char *)(d), (char *)(s))
1399 #define STRNCAT(d, s, n)    strncat((char *)(d), (char *)(s), (size_t)(n))
1400
1401 #ifdef HAVE_STRPBRK
1402 # define vim_strpbrk(s, cs) (char_u *)strpbrk((char *)(s), (char *)(cs))
1403 #endif
1404
1405 #define MSG(s)                      msg((char_u *)(s))
1406 #define MSG_ATTR(s, attr)           msg_attr((char_u *)(s), (attr))
1407 #define EMSG(s)                     emsg((char_u *)(s))
1408 #define EMSG2(s, p)                 emsg2((char_u *)(s), (char_u *)(p))
1409 #define EMSG3(s, p, q)              emsg3((char_u *)(s), (char_u *)(p), (char_u *)(q))
1410 #define EMSGN(s, n)                 emsgn((char_u *)(s), (long)(n))
1411 #define EMSGU(s, n)                 emsgu((char_u *)(s), (long_u)(n))
1412 #define OUT_STR(s)                  out_str((char_u *)(s))
1413 #define OUT_STR_NF(s)               out_str_nf((char_u *)(s))
1414 #define MSG_PUTS(s)                 msg_puts((char_u *)(s))
1415 #define MSG_PUTS_ATTR(s, a)         msg_puts_attr((char_u *)(s), (a))
1416 #define MSG_PUTS_TITLE(s)           msg_puts_title((char_u *)(s))
1417 #define MSG_PUTS_LONG(s)            msg_puts_long_attr((char_u *)(s), 0)
1418 #define MSG_PUTS_LONG_ATTR(s, a)    msg_puts_long_attr((char_u *)(s), (a))
1419
1420 /* Prefer using emsg3(), because perror() may send the output to the wrong
1421  * destination and mess up the screen. */
1422 #ifdef HAVE_STRERROR
1423 # define PERROR(msg)                (void)emsg3((char_u *)"%s: %s", (char_u *)msg, (char_u *)strerror(errno))
1424 #else
1425 # define PERROR(msg)                perror(msg)
1426 #endif
1427
1428 typedef long        linenr_T;           /* line number type */
1429 typedef unsigned    colnr_T;            /* column number type */
1430 typedef unsigned short disptick_T;      /* display tick type */
1431
1432 #define MAXLNUM (0x7fffffffL)           /* maximum (invalid) line number */
1433
1434 /*
1435  * Well, you won't believe it, but some S/390 machines ("host", now also known
1436  * as zServer) us 31 bit pointers. There are also some newer machines, that
1437  * use 64 bit pointers. I don't know how to distinguish between 31 and 64 bit
1438  * machines, so the best way is to assume 31 bits whenever we detect OS/390
1439  * Unix.
1440  * With this we restrict the maximum line length to 1073741823. I guess this is
1441  * not a real problem. BTW:  Longer lines are split.
1442  */
1443 #if SIZEOF_INT >= 4
1444 # ifdef __MVS__
1445 #  define MAXCOL (0x3fffffffL)          /* maximum column number, 30 bits */
1446 # else
1447 #  define MAXCOL (0x7fffffffL)          /* maximum column number, 31 bits */
1448 # endif
1449 #else
1450 # define MAXCOL (0x7fff)                /* maximum column number, 15 bits */
1451 #endif
1452
1453 #define SHOWCMD_COLS 10                 /* columns needed by shown command */
1454 #define STL_MAX_ITEM 80                 /* max nr of %<flag> in statusline */
1455
1456 typedef void        *vim_acl_T;         /* dummy to pass an ACL to a function */
1457
1458 /*
1459  * Include a prototype for mch_memmove(), it may not be in alloc.pro.
1460  */
1461 #ifdef VIM_MEMMOVE
1462 void mch_memmove __ARGS((void *, void *, size_t));
1463 #else
1464 # ifndef mch_memmove
1465 #  define mch_memmove(to, from, len) memmove(to, from, len)
1466 # endif
1467 #endif
1468
1469 /*
1470  * fnamecmp() is used to compare file names.
1471  * On some systems case in a file name does not matter, on others it does.
1472  * (this does not account for maximum name lengths and things like "../dir",
1473  * thus it is not 100% accurate!)
1474  */
1475 #ifdef CASE_INSENSITIVE_FILENAME
1476 # ifdef BACKSLASH_IN_FILENAME
1477 #  define fnamecmp(x, y) vim_fnamecmp((x), (y))
1478 #  define fnamencmp(x, y, n) vim_fnamencmp((x), (y), (size_t)(n))
1479 # else
1480 #  define fnamecmp(x, y) MB_STRICMP((x), (y))
1481 #  define fnamencmp(x, y, n) MB_STRNICMP((x), (y), (n))
1482 # endif
1483 #else
1484 # define fnamecmp(x, y) strcmp((char *)(x), (char *)(y))
1485 # define fnamencmp(x, y, n) strncmp((char *)(x), (char *)(y), (size_t)(n))
1486 #endif
1487
1488 #ifdef HAVE_MEMSET
1489 # define vim_memset(ptr, c, size)   memset((ptr), (c), (size))
1490 #else
1491 void *vim_memset __ARGS((void *, int, size_t));
1492 #endif
1493
1494 #ifdef HAVE_MEMCMP
1495 # define vim_memcmp(p1, p2, len)   memcmp((p1), (p2), (len))
1496 #else
1497 # ifdef HAVE_BCMP
1498 #  define vim_memcmp(p1, p2, len)   bcmp((p1), (p2), (len))
1499 # else
1500 int vim_memcmp __ARGS((void *, void *, size_t));
1501 #  define VIM_MEMCMP
1502 # endif
1503 #endif
1504
1505 #if defined(UNIX) || defined(FEAT_GUI) || defined(OS2) || defined(VMS) \
1506         || defined(FEAT_CLIENTSERVER)
1507 # define USE_INPUT_BUF
1508 #endif
1509
1510 #ifdef MSWIN
1511 /* On MS-Windows the third argument isn't size_t.  This matters for Win64,
1512  * where sizeof(size_t)==8, not 4 */
1513 # define vim_read(fd, buf, count)   read((fd), (char *)(buf), (unsigned int)(count))
1514 # define vim_write(fd, buf, count)  write((fd), (char *)(buf), (unsigned int)(count))
1515 #else
1516 # define vim_read(fd, buf, count)   read((fd), (char *)(buf), (size_t) (count))
1517 # define vim_write(fd, buf, count)  write((fd), (char *)(buf), (size_t) (count))
1518 #endif
1519
1520 /*
1521  * Enums need a typecast to be used as array index (for Ultrix).
1522  */
1523 #define hl_attr(n)      highlight_attr[(int)(n)]
1524 #define term_str(n)     term_strings[(int)(n)]
1525
1526 /*
1527  * vim_iswhite() is used for "^" and the like. It differs from isspace()
1528  * because it doesn't include <CR> and <LF> and the like.
1529  */
1530 #define vim_iswhite(x)  ((x) == ' ' || (x) == '\t')
1531
1532 /*
1533  * EXTERN is only defined in main.c.  That's where global variables are
1534  * actually defined and initialized.
1535  */
1536 #ifndef EXTERN
1537 # define EXTERN extern
1538 # define INIT(x)
1539 #else
1540 # ifndef INIT
1541 #  define INIT(x) x
1542 #  define DO_INIT
1543 # endif
1544 #endif
1545
1546 #ifdef FEAT_MBYTE
1547 # define MAX_MCO        6       /* maximum value for 'maxcombine' */
1548
1549 /* Maximum number of bytes in a multi-byte character.  It can be one 32-bit
1550  * character of up to 6 bytes, or one 16-bit character of up to three bytes
1551  * plus six following composing characters of three bytes each. */
1552 # define MB_MAXBYTES    21
1553 #endif
1554
1555 #if (defined(FEAT_PROFILE) || defined(FEAT_RELTIME)) && !defined(PROTO)
1556 # ifdef WIN3264
1557 typedef LARGE_INTEGER proftime_T;
1558 # else
1559 typedef struct timeval proftime_T;
1560 # endif
1561 #else
1562 typedef int proftime_T;     /* dummy for function prototypes */
1563 #endif
1564
1565 /* Include option.h before structs.h, because the number of window-local and
1566  * buffer-local options is used there. */
1567 #include "option.h"         /* options and default values */
1568
1569 /* Note that gui.h is included by structs.h */
1570
1571 #include "structs.h"        /* file that defines many structures */
1572
1573 /* Values for "do_profiling". */
1574 #define PROF_NONE       0       /* profiling not started */
1575 #define PROF_YES        1       /* profiling busy */
1576 #define PROF_PAUSED     2       /* profiling paused */
1577
1578 #ifdef FEAT_MOUSE
1579
1580 /* Codes for mouse button events in lower three bits: */
1581 # define MOUSE_LEFT     0x00
1582 # define MOUSE_MIDDLE   0x01
1583 # define MOUSE_RIGHT    0x02
1584 # define MOUSE_RELEASE  0x03
1585
1586 /* bit masks for modifiers: */
1587 # define MOUSE_SHIFT    0x04
1588 # define MOUSE_ALT      0x08
1589 # define MOUSE_CTRL     0x10
1590
1591 /* mouse buttons that are handled like a key press (GUI only) */
1592 # define MOUSE_4        0x100   /* scroll wheel down */
1593 # define MOUSE_5        0x200   /* scroll wheel up */
1594
1595 # define MOUSE_X1       0x300 /* Mouse-button X1 (6th) */
1596 # define MOUSE_X2       0x400 /* Mouse-button X2 */
1597
1598 /* 0x20 is reserved by xterm */
1599 # define MOUSE_DRAG_XTERM   0x40
1600
1601 # define MOUSE_DRAG     (0x40 | MOUSE_RELEASE)
1602
1603 /* Lowest button code for using the mouse wheel (xterm only) */
1604 # define MOUSEWHEEL_LOW         0x60
1605
1606 # define MOUSE_CLICK_MASK       0x03
1607
1608 # define NUM_MOUSE_CLICKS(code) \
1609     (((unsigned)((code) & 0xC0) >> 6) + 1)
1610
1611 # define SET_NUM_MOUSE_CLICKS(code, num) \
1612     (code) = ((code) & 0x3f) | ((((num) - 1) & 3) << 6)
1613
1614 /* Added to mouse column for GUI when 'mousefocus' wants to give focus to a
1615  * window by simulating a click on its status line.  We could use up to 128 *
1616  * 128 = 16384 columns, now it's reduced to 10000. */
1617 # define MOUSE_COLOFF 10000
1618
1619 /*
1620  * jump_to_mouse() returns one of first four these values, possibly with
1621  * some of the other three added.
1622  */
1623 # define IN_UNKNOWN             0
1624 # define IN_BUFFER              1
1625 # define IN_STATUS_LINE         2       /* on status or command line */
1626 # define IN_SEP_LINE            4       /* on vertical separator line */
1627 # define IN_OTHER_WIN           8       /* in other window but can't go there */
1628 # define CURSOR_MOVED           0x100
1629 # define MOUSE_FOLD_CLOSE       0x200   /* clicked on '-' in fold column */
1630 # define MOUSE_FOLD_OPEN        0x400   /* clicked on '+' in fold column */
1631
1632 /* flags for jump_to_mouse() */
1633 # define MOUSE_FOCUS            0x01    /* need to stay in this window */
1634 # define MOUSE_MAY_VIS          0x02    /* may start Visual mode */
1635 # define MOUSE_DID_MOVE         0x04    /* only act when mouse has moved */
1636 # define MOUSE_SETPOS           0x08    /* only set current mouse position */
1637 # define MOUSE_MAY_STOP_VIS     0x10    /* may stop Visual mode */
1638 # define MOUSE_RELEASED         0x20    /* button was released */
1639
1640 # if defined(UNIX) && defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H)
1641 #  define CHECK_DOUBLE_CLICK 1  /* Checking for double clicks ourselves. */
1642 # endif
1643
1644 #endif /* FEAT_MOUSE */
1645
1646 /* defines for eval_vars() */
1647 #define VALID_PATH              1
1648 #define VALID_HEAD              2
1649
1650 /* Defines for Vim variables.  These must match vimvars[] in eval.c! */
1651 #define VV_COUNT        0
1652 #define VV_COUNT1       1
1653 #define VV_PREVCOUNT    2
1654 #define VV_ERRMSG       3
1655 #define VV_WARNINGMSG   4
1656 #define VV_STATUSMSG    5
1657 #define VV_SHELL_ERROR  6
1658 #define VV_THIS_SESSION 7
1659 #define VV_VERSION      8
1660 #define VV_LNUM         9
1661 #define VV_TERMRESPONSE 10
1662 #define VV_FNAME        11
1663 #define VV_LANG         12
1664 #define VV_LC_TIME      13
1665 #define VV_CTYPE        14
1666 #define VV_CC_FROM      15
1667 #define VV_CC_TO        16
1668 #define VV_FNAME_IN     17
1669 #define VV_FNAME_OUT    18
1670 #define VV_FNAME_NEW    19
1671 #define VV_FNAME_DIFF   20
1672 #define VV_CMDARG       21
1673 #define VV_FOLDSTART    22
1674 #define VV_FOLDEND      23
1675 #define VV_FOLDDASHES   24
1676 #define VV_FOLDLEVEL    25
1677 #define VV_PROGNAME     26
1678 #define VV_SEND_SERVER  27
1679 #define VV_DYING        28
1680 #define VV_EXCEPTION    29
1681 #define VV_THROWPOINT   30
1682 #define VV_REG          31
1683 #define VV_CMDBANG      32
1684 #define VV_INSERTMODE   33
1685 #define VV_VAL          34
1686 #define VV_KEY          35
1687 #define VV_PROFILING    36
1688 #define VV_FCS_REASON   37
1689 #define VV_FCS_CHOICE   38
1690 #define VV_BEVAL_BUFNR  39
1691 #define VV_BEVAL_WINNR  40
1692 #define VV_BEVAL_LNUM   41
1693 #define VV_BEVAL_COL    42
1694 #define VV_BEVAL_TEXT   43
1695 #define VV_SCROLLSTART  44
1696 #define VV_SWAPNAME     45
1697 #define VV_SWAPCHOICE   46
1698 #define VV_SWAPCOMMAND  47
1699 #define VV_CHAR         48
1700 #define VV_MOUSE_WIN    49
1701 #define VV_MOUSE_LNUM   50
1702 #define VV_MOUSE_COL    51
1703 #define VV_OP           52
1704 #define VV_LEN          53      /* number of v: vars */
1705
1706 #ifdef FEAT_CLIPBOARD
1707
1708 /* VIM_ATOM_NAME is the older Vim-specific selection type for X11.  Still
1709  * supported for when a mix of Vim versions is used. VIMENC_ATOM_NAME includes
1710  * the encoding to support Vims using different 'encoding' values. */
1711 #define VIM_ATOM_NAME "_VIM_TEXT"
1712 #define VIMENC_ATOM_NAME "_VIMENC_TEXT"
1713
1714 /* Selection states for modeless selection */
1715 # define SELECT_CLEARED         0
1716 # define SELECT_IN_PROGRESS     1
1717 # define SELECT_DONE            2
1718
1719 # define SELECT_MODE_CHAR       0
1720 # define SELECT_MODE_WORD       1
1721 # define SELECT_MODE_LINE       2
1722
1723 # ifdef FEAT_GUI_W32
1724 #  ifdef FEAT_OLE
1725 #   define WM_OLE (WM_APP+0)
1726 #  endif
1727 #  ifdef FEAT_NETBEANS_INTG
1728     /* message for Netbeans socket event */
1729 #   define WM_NETBEANS (WM_APP+1)
1730 #  endif
1731 # endif
1732
1733 /* Info about selected text */
1734 typedef struct VimClipboard
1735 {
1736     int         available;      /* Is clipboard available? */
1737     int         owned;          /* Flag: do we own the selection? */
1738     pos_T       start;          /* Start of selected area */
1739     pos_T       end;            /* End of selected area */
1740     int         vmode;          /* Visual mode character */
1741
1742     /* Fields for selection that doesn't use Visual mode */
1743     short_u     origin_row;
1744     short_u     origin_start_col;
1745     short_u     origin_end_col;
1746     short_u     word_start_col;
1747     short_u     word_end_col;
1748
1749     pos_T       prev;           /* Previous position */
1750     short_u     state;          /* Current selection state */
1751     short_u     mode;           /* Select by char, word, or line. */
1752
1753 # if defined(FEAT_GUI_X11) || defined(FEAT_XCLIPBOARD)
1754     Atom        sel_atom;       /* PRIMARY/CLIPBOARD selection ID */
1755 # endif
1756
1757 # ifdef FEAT_GUI_GTK
1758     GdkAtom     gtk_sel_atom;   /* PRIMARY/CLIPBOARD selection ID */
1759 # endif
1760
1761 # ifdef MSWIN
1762     int_u       format;         /* Vim's own special clipboard format */
1763     int_u       format_raw;     /* Vim's raw text clipboard format */
1764 # endif
1765 } VimClipboard;
1766 #else
1767 typedef int VimClipboard;       /* This is required for the prototypes. */
1768 #endif
1769
1770 #ifdef __BORLANDC__
1771 /* work around a bug in the Borland 'stat' function: */
1772 # include <io.h>            /* for access() */
1773
1774 # define stat(a,b) (access(a,0) ? -1 : stat(a,b))
1775 #endif
1776
1777 #include "ex_cmds.h"        /* Ex command defines */
1778 #include "proto.h"          /* function prototypes */
1779
1780 /* This has to go after the include of proto.h, as proto/gui.pro declares
1781  * functions of these names. The declarations would break if the defines had
1782  * been seen at that stage.  But it must be before globals.h, where error_ga
1783  * is declared. */
1784 #if !defined(FEAT_GUI_W32) && !defined(FEAT_GUI_X11) \
1785         && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MAC)
1786 # define mch_errmsg(str)        fprintf(stderr, "%s", (str))
1787 # define display_errors()       fflush(stderr)
1788 # define mch_msg(str)           printf("%s", (str))
1789 #else
1790 # define USE_MCH_ERRMSG
1791 #endif
1792
1793 #ifndef FEAT_MBYTE
1794 # define after_pathsep(b, p)    vim_ispathsep(*((p) - 1))
1795 # define transchar_byte(c)      transchar(c)
1796 #endif
1797
1798 #ifndef FEAT_LINEBREAK
1799 /* Without the 'numberwidth' option line numbers are always 7 chars. */
1800 # define number_width(x) 7
1801 #endif
1802
1803
1804 #include "globals.h"        /* global variables and messages */
1805
1806 #ifdef FEAT_SNIFF
1807 # include "if_sniff.h"
1808 #endif
1809
1810 #ifndef FEAT_VIRTUALEDIT
1811 # define getvvcol(w, p, s, c, e) getvcol(w, p, s, c, e)
1812 # define virtual_active() 0
1813 # define virtual_op FALSE
1814 #endif
1815
1816 /*
1817  * If console dialog not supported, but GUI dialog is, use the GUI one.
1818  */
1819 #if defined(FEAT_GUI_DIALOG) && !defined(FEAT_CON_DIALOG)
1820 # define do_dialog gui_mch_dialog
1821 #endif
1822
1823 /*
1824  * Default filters for gui_mch_browse().
1825  * The filters are almost system independent.  Except for the difference
1826  * between "*" and "*.*" for MSDOS-like systems.
1827  * NOTE: Motif only uses the very first pattern.  Therefore
1828  * BROWSE_FILTER_DEFAULT should start with a "*" pattern.
1829  */
1830 #ifdef FEAT_BROWSE
1831 # ifdef BACKSLASH_IN_FILENAME
1832 #  define BROWSE_FILTER_MACROS \
1833         (char_u *)"Vim macro files (*.vim)\t*.vim\nAll Files (*.*)\t*.*\n"
1834 #  define BROWSE_FILTER_ALL_FILES (char_u *)"All Files (*.*)\t*.*\n"
1835 #  define BROWSE_FILTER_DEFAULT \
1836         (char_u *)"All Files (*.*)\t*.*\nC source (*.c, *.h)\t*.c;*.h\nC++ source (*.cpp, *.hpp)\t*.cpp;*.hpp\nVB code (*.bas, *.frm)\t*.bas;*.frm\nVim files (*.vim, _vimrc, _gvimrc)\t*.vim;_vimrc;_gvimrc\n"
1837 # else
1838 #  define BROWSE_FILTER_MACROS \
1839         (char_u *)"Vim macro files (*.vim)\t*.vim\nAll Files (*)\t*\n"
1840 #  define BROWSE_FILTER_ALL_FILES (char_u *)"All Files (*)\t*\n"
1841 #  define BROWSE_FILTER_DEFAULT \
1842         (char_u *)"All Files (*)\t*\nC source (*.c, *.h)\t*.c;*.h\nC++ source (*.cpp, *.hpp)\t*.cpp;*.hpp\nVim files (*.vim, _vimrc, _gvimrc)\t*.vim;_vimrc;_gvimrc\n"
1843 # endif
1844 # define BROWSE_SAVE 1      /* flag for do_browse() */
1845 # define BROWSE_DIR 2       /* flag for do_browse() */
1846 #endif
1847
1848 /* stop using fastcall for Borland */
1849 #if defined(__BORLANDC__) && defined(WIN32) && !defined(DEBUG)
1850  #pragma option -p.
1851 #endif
1852
1853 #if defined(MEM_PROFILE)
1854 # define vim_realloc(ptr, size)  mem_realloc((ptr), (size))
1855 #else
1856 # define vim_realloc(ptr, size)  realloc((ptr), (size))
1857 #endif
1858
1859 /*
1860  * The following macros stop display/event loop nesting at the wrong time.
1861  */
1862 #ifdef ALT_X_INPUT
1863 # define ALT_INPUT_LOCK_OFF     suppress_alternate_input = FALSE
1864 # define ALT_INPUT_LOCK_ON      suppress_alternate_input = TRUE
1865 #endif
1866
1867 #ifdef FEAT_MBYTE
1868 /*
1869  * Return byte length of character that starts with byte "b".
1870  * Returns 1 for a single-byte character.
1871  * MB_BYTE2LEN_CHECK() can be used to count a special key as one byte.
1872  * Don't call MB_BYTE2LEN(b) with b < 0 or b > 255!
1873  */
1874 # define MB_BYTE2LEN(b)         mb_bytelen_tab[b]
1875 # define MB_BYTE2LEN_CHECK(b)   (((b) < 0 || (b) > 255) ? 1 : mb_bytelen_tab[b])
1876 #endif
1877
1878 #if defined(FEAT_MBYTE) || defined(FEAT_POSTSCRIPT)
1879 /* properties used in enc_canon_table[] (first three mutually exclusive) */
1880 # define ENC_8BIT       0x01
1881 # define ENC_DBCS       0x02
1882 # define ENC_UNICODE    0x04
1883
1884 # define ENC_ENDIAN_B   0x10        /* Unicode: Big endian */
1885 # define ENC_ENDIAN_L   0x20        /* Unicode: Little endian */
1886
1887 # define ENC_2BYTE      0x40        /* Unicode: UCS-2 */
1888 # define ENC_4BYTE      0x80        /* Unicode: UCS-4 */
1889 # define ENC_2WORD      0x100       /* Unicode: UTF-16 */
1890
1891 # define ENC_LATIN1     0x200       /* Latin1 */
1892 # define ENC_LATIN9     0x400       /* Latin9 */
1893 # define ENC_MACROMAN   0x800       /* Mac Roman (not Macro Man! :-) */
1894 #endif
1895
1896 #ifdef FEAT_MBYTE
1897 # ifdef USE_ICONV
1898 #  ifndef EILSEQ
1899 #   define EILSEQ 123
1900 #  endif
1901 #  ifdef DYNAMIC_ICONV
1902 /* On Win32 iconv.dll is dynamically loaded. */
1903 #   define ICONV_ERRNO (*iconv_errno())
1904 #   define ICONV_E2BIG  7
1905 #   define ICONV_EINVAL 22
1906 #   define ICONV_EILSEQ 42
1907 #  else
1908 #   define ICONV_ERRNO errno
1909 #   define ICONV_E2BIG  E2BIG
1910 #   define ICONV_EINVAL EINVAL
1911 #   define ICONV_EILSEQ EILSEQ
1912 #  endif
1913 # endif
1914
1915 #endif
1916
1917 /* ISSYMLINK(mode) tests if a file is a symbolic link. */
1918 #if (defined(S_IFMT) && defined(S_IFLNK)) || defined(S_ISLNK)
1919 # define HAVE_ISSYMLINK
1920 # if defined(S_IFMT) && defined(S_IFLNK)
1921 #  define ISSYMLINK(mode) (((mode) & S_IFMT) == S_IFLNK)
1922 # else
1923 #  define ISSYMLINK(mode) S_ISLNK(mode)
1924 # endif
1925 #endif
1926
1927 #define SIGN_BYTE 1         /* byte value used where sign is displayed;
1928                                attribute value is sign type */
1929
1930 #ifdef FEAT_NETBEANS_INTG
1931 # define MULTISIGN_BYTE 2   /* byte value used where sign is displayed if
1932                                multiple signs exist on the line */
1933 #endif
1934
1935 #if defined(FEAT_GUI) && defined(FEAT_XCLIPBOARD)
1936 # ifdef FEAT_GUI_GTK
1937    /* Avoid using a global variable for the X display.  It's ugly
1938     * and is likely to cause trouble in multihead environments. */
1939 #  define X_DISPLAY     ((gui.in_use) ? gui_mch_get_display() : xterm_dpy)
1940 # else
1941 #  define X_DISPLAY     (gui.in_use ? gui.dpy : xterm_dpy)
1942 # endif
1943 #else
1944 # ifdef FEAT_GUI
1945 #  ifdef FEAT_GUI_GTK
1946 #   define X_DISPLAY    ((gui.in_use) ? gui_mch_get_display() : (Display *)NULL)
1947 #  else
1948 #   define X_DISPLAY    gui.dpy
1949 #  endif
1950 # else
1951 #  define X_DISPLAY     xterm_dpy
1952 # endif
1953 #endif
1954
1955 #ifdef NBDEBUG /* Netbeans debugging. */
1956 # include "nbdebug.h"
1957 #else
1958 # define nbdebug(a)
1959 #endif
1960
1961 #ifdef IN_PERL_FILE
1962   /*
1963    * Avoid clashes between Perl and Vim namespace.
1964    */
1965 # undef NORMAL
1966 # undef STRLEN
1967 # undef FF
1968 # undef OP_DELETE
1969 # undef OP_JOIN
1970 # ifdef __BORLANDC__
1971 #  define NOPROTO 1
1972 # endif
1973   /* remove MAX and MIN, included by glib.h, redefined by sys/param.h */
1974 # ifdef MAX
1975 #  undef MAX
1976 # endif
1977 # ifdef MIN
1978 #  undef MIN
1979 # endif
1980   /* We use _() for gettext(), Perl uses it for function prototypes... */
1981 # ifdef _
1982 #  undef _
1983 # endif
1984 # ifdef DEBUG
1985 #  undef DEBUG
1986 # endif
1987 # ifdef _DEBUG
1988 #  undef _DEBUG
1989 # endif
1990 # ifdef instr
1991 #  undef instr
1992 # endif
1993   /* bool causes trouble on MACOS but is required on a few other systems */
1994 # if defined(bool) && defined(MACOS)
1995 #  undef bool
1996 # endif
1997
1998 # ifdef __BORLANDC__
1999   /* Borland has the structure stati64 but not _stati64 */
2000 #  define _stati64 stati64
2001 # endif
2002
2003 # include <EXTERN.h>
2004 # include <perl.h>
2005 # include <XSUB.h>
2006 #endif
2007
2008 /* values for vim_handle_signal() that are not a signal */
2009 #define SIGNAL_BLOCK    -1
2010 #define SIGNAL_UNBLOCK  -2
2011 #if !defined(UNIX) && !defined(VMS) && !defined(OS2)
2012 # define vim_handle_signal(x) 0
2013 #endif
2014
2015 /* flags for skip_vimgrep_pat() */
2016 #define VGR_GLOBAL      1
2017 #define VGR_NOJUMP      2
2018
2019 /* behavior for bad character, "++bad=" argument */
2020 #define BAD_REPLACE     '?'     /* replace it with '?' (default) */
2021 #define BAD_KEEP        -1      /* leave it */
2022 #define BAD_DROP        -2      /* erase it */
2023
2024 /* last argument for do_source() */
2025 #define DOSO_NONE       0
2026 #define DOSO_VIMRC      1       /* loading vimrc file */
2027 #define DOSO_GVIMRC     2       /* loading gvimrc file */
2028
2029 #endif /* VIM__H */