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 # ifndef _TANDEM_SOURCE
  56 #  define _TANDEM_SOURCE
  57 # endif
  58 # include <floss.h>
  59 # define ROOT_UID 65535
  60 #else
  61 # define ROOT_UID 0
  62 #endif
  63
  64 #ifdef __EMX__          /* hand-edited config.h for OS/2 with EMX */
  65 # include "os_os2_cfg.h"
  66 #endif
  67
  68 /*
  69  * MACOS_CLASSIC compiling for MacOS prior to MacOS X
  70  * MACOS_X_UNIX  compiling for MacOS X (using os_unix.c)
  71  * MACOS_X       compiling for MacOS X (using os_unix.c)
  72  * MACOS         compiling for either one
  73  */
  74 #if defined(macintosh) && !defined(MACOS_CLASSIC)
  75 # define MACOS_CLASSIC
  76 #endif
  77 #if defined(MACOS_X_UNIX)
  78 # define MACOS_X
  79 # ifndef HAVE_CONFIG_H
  80 #  define UNIX
  81 # endif
  82 #endif
  83 #if defined(MACOS_X) || defined(MACOS_CLASSIC)
  84 #  define MACOS
  85 #endif
  86 #if defined(MACOS_X) && defined(MACOS_CLASSIC)
  87     Error: To compile for both MACOS X and Classic use a Classic Carbon
  88 #endif
  89 /* Unless made through the Makefile enforce GUI on Mac */
  90 #if defined(MACOS) && !defined(HAVE_CONFIG_H)
  91 # define FEAT_GUI_MAC
  92 #endif
  93
  94 #if defined(FEAT_GUI_MOTIF) \
  95     || defined(FEAT_GUI_GTK) \
  96     || defined(FEAT_GUI_ATHENA) \
  97     || defined(FEAT_GUI_MAC) \
  98     || defined(FEAT_GUI_W32) \
  99     || defined(FEAT_GUI_W16) \
 100     || defined(FEAT_GUI_PHOTON)
 101 # if !defined(FEAT_GUI) && !defined(NO_X11_INCLUDES)
 102 #  define FEAT_GUI
 103 # endif
 104 #endif
 105
 106 /* Visual Studio 2005 has 'deprecated' many of the standard CRT functions */
 107 #if _MSC_VER >= 1400
 108 # define _CRT_SECURE_NO_DEPRECATE
 109 # define _CRT_NONSTDC_NO_DEPRECATE
 110 #endif
 111
 112 #if defined(FEAT_GUI_W32) || defined(FEAT_GUI_W16)
 113 # define FEAT_GUI_MSWIN
 114 #endif
 115 #if defined(WIN16) || defined(WIN32) || defined(_WIN64)
 116 # define MSWIN
 117 #endif
 118 /* Practically everything is common to both Win32 and Win64 */
 119 #if defined(WIN32) || defined(_WIN64)
 120 # define WIN3264
 121 #endif
 122
 123 /*
 124  * SIZEOF_INT is used in feature.h, and the system-specific included files
 125  * need items from feature.h.  Therefore define SIZEOF_INT here.
 126  */
 127 #ifdef WIN3264
 128 # define SIZEOF_INT 4
 129 #endif
 130 #ifdef MSDOS
 131 # ifdef DJGPP
 132 #  ifndef FEAT_GUI_GTK          /* avoid problems when generating prototypes */
 133 #   define SIZEOF_INT 4         /* 32 bit ints */
 134 #  endif
 135 #  define DOS32
 136 #  define FEAT_CLIPBOARD
 137 # else
 138 #  ifndef FEAT_GUI_GTK          /* avoid problems when generating prototypes */
 139 #   define SIZEOF_INT 2         /* 16 bit ints */
 140 #  endif
 141 #  define SMALL_MALLOC          /* 16 bit storage allocation */
 142 #  define DOS16
 143 # endif
 144 #endif
 145
 146 #ifdef AMIGA
 147   /* Be conservative about sizeof(int). It could be 4 too. */
 148 # ifndef FEAT_GUI_GTK   /* avoid problems when generating prototypes */
 149 #  ifdef __GNUC__
 150 #   define SIZEOF_INT   4
 151 #  else
 152 #   define SIZEOF_INT   2
 153 #  endif
 154 # endif
 155 #endif
 156 #ifdef MACOS
 157 # if defined(__POWERPC__) || defined(MACOS_X) || defined(__fourbyteints__) \
 158   || defined(__MRC__) || defined(__SC__) || defined(__APPLE_CC__)/* MPW Compilers */
 159 #  define SIZEOF_INT 4
 160 # else
 161 #  define SIZEOF_INT 2
 162 # endif
 163 #endif
 164 #ifdef RISCOS
 165 # define SIZEOF_INT 4
 166 #endif
 167
 168
 169 #include "feature.h"    /* #defines for optionals and features */
 170
 171 /* +x11 is only enabled when it's both available and wanted. */
 172 #if defined(HAVE_X11) && defined(WANT_X11)
 173 # define FEAT_X11
 174 #endif
 175
 176 #ifdef NO_X11_INCLUDES
 177     /* In os_mac_conv.c NO_X11_INCLUDES is defined to avoid X11 headers.
 178      * Disable all X11 related things to avoid conflicts. */
 179 # ifdef FEAT_X11
 180 #  undef FEAT_X11
 181 # endif
 182 # ifdef FEAT_GUI_X11
 183 #  undef FEAT_GUI_X11
 184 # endif
 185 # ifdef FEAT_XCLIPBOARD
 186 #  undef FEAT_XCLIPBOARD
 187 # endif
 188 # ifdef FEAT_GUI_MOTIF
 189 #  undef FEAT_GUI_MOTIF
 190 # endif
 191 # ifdef FEAT_GUI_ATHENA
 192 #  undef FEAT_GUI_ATHENA
 193 # endif
 194 # ifdef FEAT_GUI_GTK
 195 #  undef FEAT_GUI_GTK
 196 # endif
 197 # ifdef FEAT_BEVAL_TIP
 198 #  undef FEAT_BEVAL_TIP
 199 # endif
 200 # ifdef FEAT_XIM
 201 #  undef FEAT_XIM
 202 # endif
 203 # ifdef FEAT_CLIENTSERVER
 204 #  undef FEAT_CLIENTSERVER
 205 # endif
 206 #endif
 207
 208 /* The Mac conversion stuff doesn't work under X11. */
 209 #if defined(FEAT_MBYTE) && defined(MACOS_X)
 210 # define MACOS_CONVERT
 211 #endif
 212
 213 /* Can't use "PACKAGE" here, conflicts with a Perl include file. */
 214 #ifndef VIMPACKAGE
 215 # define VIMPACKAGE     "vim"
 216 #endif
 217
 218 /*
 219  * Find out if function definitions should include argument types
 220  */
 221 #ifdef AZTEC_C
 222 # include <functions.h>
 223 # define __ARGS(x)  x
 224 #endif
 225
 226 #ifdef SASC
 227 # include <clib/exec_protos.h>
 228 # define __ARGS(x)  x
 229 #endif
 230
 231 #ifdef _DCC
 232 # include <clib/exec_protos.h>
 233 # define __ARGS(x)  x
 234 #endif
 235
 236 #ifdef __TURBOC__
 237 # define __ARGS(x) x
 238 #endif
 239
 240 #ifdef __BEOS__
 241 # include "os_beos.h"
 242 # define __ARGS(x)  x
 243 #endif
 244
 245 #if (defined(UNIX) || defined(__EMX__) || defined(VMS)) \
 246         && (!defined(MACOS_X) || defined(HAVE_CONFIG_H))
 247 # include "os_unix.h"       /* bring lots of system header files */
 248 #endif
 249
 250 #if defined(MACOS) && (defined(__MRC__) || defined(__SC__))
 251    /* Apple's Compilers support prototypes */
 252 # define __ARGS(x) x
 253 #endif
 254 #ifndef __ARGS
 255 # if defined(__STDC__) || defined(__GNUC__) || defined(WIN3264)
 256 #  define __ARGS(x) x
 257 # else
 258 #  define __ARGS(x) ()
 259 # endif
 260 #endif
 261
 262 /* __ARGS and __PARMS are the same thing. */
 263 #ifndef __PARMS
 264 # define __PARMS(x) __ARGS(x)
 265 #endif
 266
 267 /* Mark unused function arguments with UNUSED, so that gcc -Wunused-parameter
 268  * can be used to check for mistakes. */
 269 #ifdef HAVE_ATTRIBUTE_UNUSED
 270 # define UNUSED __attribute__((unused))
 271 #else
 272 # define UNUSED
 273 #endif
 274
 275 /* if we're compiling in C++ (currently only KVim), the system
 276  * headers must have the correct prototypes or nothing will build.
 277  * conversely, our prototypes might clash due to throw() specifiers and
 278  * cause compilation failures even though the headers are correct.  For
 279  * a concrete example, gcc-3.2 enforces exception specifications, and
 280  * glibc-2.2.5 has them in their system headers.
 281  */
 282 #if !defined(__cplusplus) && defined(UNIX) \
 283   && !defined(MACOS_X) /* MACOS_X doesn't yet support osdef.h */
 284 # include "auto/osdef.h"        /* bring missing declarations in */
 285 #endif
 286
 287 #ifdef __EMX__
 288 # define    getcwd  _getcwd2
 289 # define    chdir   _chdir2
 290 # undef     CHECK_INODE
 291 #endif
 292
 293 #ifdef AMIGA
 294 # include "os_amiga.h"
 295 #endif
 296
 297 #ifdef MSDOS
 298 # include "os_msdos.h"
 299 #endif
 300
 301 #ifdef WIN16
 302 # include "os_win16.h"
 303 #endif
 304
 305 #ifdef WIN3264
 306 # include "os_win32.h"
 307 #endif
 308
 309 #ifdef __MINT__
 310 # include "os_mint.h"
 311 #endif
 312
 313 #if defined(MACOS)
 314 # if defined(__MRC__) || defined(__SC__) /* MPW Compilers */
 315 #  define HAVE_SETENV
 316 # endif
 317 # include "os_mac.h"
 318 #endif
 319
 320 #ifdef RISCOS
 321 # include "os_riscos.h"
 322 #endif
 323
 324 #ifdef __QNX__
 325 # include "os_qnx.h"
 326 #endif
 327
 328 #ifdef FEAT_SUN_WORKSHOP
 329 # include "workshop.h"
 330 #endif
 331
 332 #ifdef X_LOCALE
 333 # include <X11/Xlocale.h>
 334 #else
 335 # ifdef HAVE_LOCALE_H
 336 #  include <locale.h>
 337 # endif
 338 #endif
 339
 340 /*
 341  * Maximum length of a path (for non-unix systems) Make it a bit long, to stay
 342  * on the safe side.  But not too long to put on the stack.
 343  */
 344 #ifndef MAXPATHL
 345 # ifdef MAXPATHLEN
 346 #  define MAXPATHL  MAXPATHLEN
 347 # else
 348 #  define MAXPATHL  256
 349 # endif
 350 #endif
 351 #ifdef BACKSLASH_IN_FILENAME
 352 # define PATH_ESC_CHARS ((char_u *)" \t\n*?[{`%#'\"|!<")
 353 #else
 354 # ifdef VMS
 355     /* VMS allows a lot of characters in the file name */
 356 #  define PATH_ESC_CHARS ((char_u *)" \t\n*?{`\\%#'\"|!")
 357 #  define SHELL_ESC_CHARS ((char_u *)" \t\n*?{`\\%#'|!()&")
 358 # else
 359 #  define PATH_ESC_CHARS ((char_u *)" \t\n*?[{`$\\%#'\"|!<")
 360 #  define SHELL_ESC_CHARS ((char_u *)" \t\n*?[{`$\\%#'\"|!<>();&")
 361 # endif
 362 #endif
 363
 364 #define NUMBUFLEN 30        /* length of a buffer to store a number in ASCII */
 365
 366 /*
 367  * Shorthand for unsigned variables. Many systems, but not all, have u_char
 368  * already defined, so we use char_u to avoid trouble.
 369  */
 370 typedef unsigned char   char_u;
 371 typedef unsigned short  short_u;
 372 typedef unsigned int    int_u;
 373 /* Make sure long_u is big enough to hold a pointer.
 374  * On Win64, longs are 32 bits and pointers are 64 bits.
 375  * For printf() and scanf(), we need to take care of long_u specifically. */
 376 #ifdef _WIN64
 377 typedef unsigned __int64        long_u;
 378 typedef          __int64        long_i;
 379 # define SCANF_HEX_LONG_U       "%Ix"
 380 # define SCANF_DECIMAL_LONG_U   "%Iu"
 381 # define PRINTF_HEX_LONG_U      "0x%Ix"
 382 #else
 383   /* Microsoft-specific. The __w64 keyword should be specified on any typedefs
 384    * that change size between 32-bit and 64-bit platforms.  For any such type,
 385    * __w64 should appear only on the 32-bit definition of the typedef.
 386    * Define __w64 as an empty token for everything but MSVC 7.x or later.
 387    */
 388 # if !defined(_MSC_VER) || (_MSC_VER < 1300)
 389 #  define __w64
 390 # endif
 391 typedef unsigned long __w64     long_u;
 392 typedef          long __w64     long_i;
 393 # define SCANF_HEX_LONG_U       "%lx"
 394 # define SCANF_DECIMAL_LONG_U   "%lu"
 395 # define PRINTF_HEX_LONG_U      "0x%lx"
 396 #endif
 397 #define PRINTF_DECIMAL_LONG_U SCANF_DECIMAL_LONG_U
 398
 399 /*
 400  * The characters and attributes cached for the screen.
 401  */
 402 typedef char_u schar_T;
 403 #ifdef FEAT_SYN_HL
 404 typedef unsigned short sattr_T;
 405 # define MAX_TYPENR 65535
 406 #else
 407 typedef unsigned char sattr_T;
 408 # define MAX_TYPENR 255
 409 #endif
 410
 411 /*
 412  * The u8char_T can hold one decoded UTF-8 character.
 413  * We normally use 32 bits now, since some Asian characters don't fit in 16
 414  * bits.  u8char_T is only used for displaying, it could be 16 bits to save
 415  * memory.
 416  */
 417 #ifdef FEAT_MBYTE
 418 # ifdef UNICODE16
 419 typedef unsigned short u8char_T;    /* short should be 16 bits */
 420 # else
 421 #  if SIZEOF_INT >= 4
 422 typedef unsigned int u8char_T;      /* int is 32 bits */
 423 #  else
 424 typedef unsigned long u8char_T;     /* long should be 32 bits or more */
 425 #  endif
 426 # endif
 427 #endif
 428
 429 #ifndef UNIX                /* For Unix this is included in os_unix.h */
 430 # include <stdio.h>
 431 # include <ctype.h>
 432 #endif
 433
 434 #include "ascii.h"
 435 #include "keymap.h"
 436 #include "term.h"
 437 #include "macros.h"
 438
 439 #ifdef LATTICE
 440 # include <sys/types.h>
 441 # include <sys/stat.h>
 442 #endif
 443 #ifdef _DCC
 444 # include <sys/stat.h>
 445 #endif
 446 #if defined(MSDOS) || defined(MSWIN)
 447 # include <sys/stat.h>
 448 #endif
 449
 450 /*
 451  * Allow other (non-unix) systems to configure themselves now
 452  * These are also in os_unix.h, because osdef.sh needs them there.
 453  */
 454 #ifndef UNIX
 455 /* Note: Some systems need both string.h and strings.h (Savage).  If the
 456  * system can't handle this, define NO_STRINGS_WITH_STRING_H. */
 457 # ifdef HAVE_STRING_H
 458 #  include <string.h>
 459 # endif
 460 # if defined(HAVE_STRINGS_H) && !defined(NO_STRINGS_WITH_STRING_H)
 461 #   include <strings.h>
 462 # endif
 463 # ifdef HAVE_STAT_H
 464 #  include <stat.h>
 465 # endif
 466 # ifdef HAVE_STDLIB_H
 467 #  include <stdlib.h>
 468 # endif
 469 #endif /* NON-UNIX */
 470
 471 #include <assert.h>
 472
 473 #ifdef HAVE_WCTYPE_H
 474 # include <wctype.h>
 475 #endif
 476 #ifdef HAVE_STDARG_H
 477 # include <stdarg.h>
 478 #endif
 479
 480 # if defined(HAVE_SYS_SELECT_H) && \
 481         (!defined(HAVE_SYS_TIME_H) || defined(SYS_SELECT_WITH_SYS_TIME))
 482 #  include <sys/select.h>
 483 # endif
 484
 485 # ifndef HAVE_SELECT
 486 #  ifdef HAVE_SYS_POLL_H
 487 #   include <sys/poll.h>
 488 #   define HAVE_POLL
 489 #  else
 490 #   ifdef HAVE_POLL_H
 491 #    include <poll.h>
 492 #    define HAVE_POLL
 493 #   endif
 494 #  endif
 495 # endif
 496
 497 /* ================ end of the header file puzzle =============== */
 498
 499 /*
 500  * For dynamically loaded imm library. Currently, only for Win32.
 501  */
 502 #ifdef DYNAMIC_IME
 503 # ifndef FEAT_MBYTE_IME
 504 #  define FEAT_MBYTE_IME
 505 # endif
 506 #endif
 507
 508 /*
 509  * Check input method control.
 510  */
 511 #if defined(FEAT_XIM) \
 512     || defined(FEAT_UIMFEP) \
 513     || (defined(FEAT_GUI) && (defined(FEAT_MBYTE_IME) || defined(GLOBAL_IME))) \
 514     || (defined(FEAT_GUI_MAC) && defined(FEAT_MBYTE))
 515 # define USE_IM_CONTROL
 516 #endif
 517
 518 /*
 519  * Whether 'ambiwidth' supports "auto".  Currently, only for Win32.
 520  */
 521 #if defined(FEAT_MBYTE) && defined(FEAT_GUI) && \
 522     (defined(FEAT_GUI_W32))
 523 # define USE_AMBIWIDTH_AUTO
 524 #endif
 525
 526 /*
 527  * For dynamically loaded gettext library.  Currently, only for Win32.
 528  */
 529 #ifdef DYNAMIC_GETTEXT
 530 # ifndef FEAT_GETTEXT
 531 #  define FEAT_GETTEXT
 532 # endif
 533 /* These are in os_win32.c */
 534 extern char *(*dyn_libintl_gettext)(const char *msgid);
 535 extern char *(*dyn_libintl_bindtextdomain)(const char *domainname, const char *dirname);
 536 extern char *(*dyn_libintl_bind_textdomain_codeset)(const char *domainname, const char *codeset);
 537 extern char *(*dyn_libintl_textdomain)(const char *domainname);
 538 #endif
 539
 540
 541 /*
 542  * The _() stuff is for using gettext().  It is a no-op when libintl.h is not
 543  * found or the +multilang feature is disabled.
 544  */
 545 #ifdef FEAT_GETTEXT
 546 # ifdef DYNAMIC_GETTEXT
 547 #  define _(x) (*dyn_libintl_gettext)((char *)(x))
 548 #  define N_(x) x
 549 #  define bindtextdomain(domain, dir) (*dyn_libintl_bindtextdomain)((domain), (dir))
 550 #  define bind_textdomain_codeset(domain, codeset) (*dyn_libintl_bind_textdomain_codeset)((domain), (codeset))
 551 #  if !defined(HAVE_BIND_TEXTDOMAIN_CODESET)
 552 #   define HAVE_BIND_TEXTDOMAIN_CODESET 1
 553 #  endif
 554 #  define textdomain(domain) (*dyn_libintl_textdomain)(domain)
 555 # else
 556 #  include <libintl.h>
 557 #  define _(x) gettext((char *)(x))
 558 #  ifdef gettext_noop
 559 #   define N_(x) gettext_noop(x)
 560 #  else
 561 #   define N_(x) x
 562 #  endif
 563 # endif
 564 #else
 565 # define _(x) ((char *)(x))
 566 # define N_(x) x
 567 # ifdef bindtextdomain
 568 #  undef bindtextdomain
 569 # endif
 570 # define bindtextdomain(x, y) /* empty */
 571 # ifdef bind_textdomain_codeset
 572 #  undef bind_textdomain_codeset
 573 # endif
 574 # define bind_textdomain_codeset(x, y) /* empty */
 575 # ifdef textdomain
 576 #  undef textdomain
 577 # endif
 578 # define textdomain(x) /* empty */
 579 #endif
 580
 581 /*
 582  * flags for update_screen()
 583  * The higher the value, the higher the priority
 584  */
 585 #define VALID                   10  /* buffer not changed, or changes marked
 586                                        with b_mod_* */
 587 #define INVERTED                20  /* redisplay inverted part that changed */
 588 #define INVERTED_ALL            25  /* redisplay whole inverted part */
 589 #define REDRAW_TOP              30  /* display first w_upd_rows screen lines */
 590 #define SOME_VALID              35  /* like NOT_VALID but may scroll */
 591 #define NOT_VALID               40  /* buffer needs complete redraw */
 592 #define CLEAR                   50  /* screen messed up, clear it */
 593
 594 /*
 595  * Flags for w_valid.
 596  * These are set when something in a window structure becomes invalid, except
 597  * when the cursor is moved.  Call check_cursor_moved() before testing one of
 598  * the flags.
 599  * These are reset when that thing has been updated and is valid again.
 600  *
 601  * Every function that invalidates one of these must call one of the
 602  * invalidate_* functions.
 603  *
 604  * w_valid is supposed to be used only in screen.c.  From other files, use the
 605  * functions that set or reset the flags.
 606  *
 607  * VALID_BOTLINE    VALID_BOTLINE_AP
 608  *     on               on              w_botline valid
 609  *     off              on              w_botline approximated
 610  *     off              off             w_botline not valid
 611  *     on               off             not possible
 612  */
 613 #define VALID_WROW      0x01    /* w_wrow (window row) is valid */
 614 #define VALID_WCOL      0x02    /* w_wcol (window col) is valid */
 615 #define VALID_VIRTCOL   0x04    /* w_virtcol (file col) is valid */
 616 #define VALID_CHEIGHT   0x08    /* w_cline_height and w_cline_folded valid */
 617 #define VALID_CROW      0x10    /* w_cline_row is valid */
 618 #define VALID_BOTLINE   0x20    /* w_botine and w_empty_rows are valid */
 619 #define VALID_BOTLINE_AP 0x40   /* w_botine is approximated */
 620 #define VALID_TOPLINE   0x80    /* w_topline is valid (for cursor position) */
 621
 622 /*
 623  * Terminal highlighting attribute bits.
 624  * Attributes above HL_ALL are used for syntax highlighting.
 625  */
 626 #define HL_NORMAL               0x00
 627 #define HL_INVERSE              0x01
 628 #define HL_BOLD                 0x02
 629 #define HL_ITALIC               0x04
 630 #define HL_UNDERLINE            0x08
 631 #define HL_UNDERCURL            0x10
 632 #define HL_STANDOUT             0x20
 633 #define HL_ALL                  0x3f
 634
 635 /* special attribute addition: Put message in history */
 636 #define MSG_HIST                0x1000
 637
 638 /*
 639  * values for State
 640  *
 641  * The lower bits up to 0x20 are used to distinguish normal/visual/op_pending
 642  * and cmdline/insert+replace mode.  This is used for mapping.  If none of
 643  * these bits are set, no mapping is done.
 644  * The upper bits are used to distinguish between other states.
 645  */
 646 #define NORMAL          0x01    /* Normal mode, command expected */
 647 #define VISUAL          0x02    /* Visual mode - use get_real_state() */
 648 #define OP_PENDING      0x04    /* Normal mode, operator is pending - use
 649                                    get_real_state() */
 650 #define CMDLINE         0x08    /* Editing command line */
 651 #define INSERT          0x10    /* Insert mode */
 652 #define LANGMAP         0x20    /* Language mapping, can be combined with
 653                                    INSERT and CMDLINE */
 654
 655 #define REPLACE_FLAG    0x40    /* Replace mode flag */
 656 #define REPLACE         (REPLACE_FLAG + INSERT)
 657 #ifdef FEAT_VREPLACE
 658 # define VREPLACE_FLAG  0x80    /* Virtual-replace mode flag */
 659 # define VREPLACE       (REPLACE_FLAG + VREPLACE_FLAG + INSERT)
 660 #endif
 661 #define LREPLACE        (REPLACE_FLAG + LANGMAP)
 662
 663 #define NORMAL_BUSY     (0x100 + NORMAL) /* Normal mode, busy with a command */
 664 #define HITRETURN       (0x200 + NORMAL) /* waiting for return or command */
 665 #define ASKMORE         0x300   /* Asking if you want --more-- */
 666 #define SETWSIZE        0x400   /* window size has changed */
 667 #define ABBREV          0x500   /* abbreviation instead of mapping */
 668 #define EXTERNCMD       0x600   /* executing an external command */
 669 #define SHOWMATCH       (0x700 + INSERT) /* show matching paren */
 670 #define CONFIRM         0x800   /* ":confirm" prompt */
 671 #define SELECTMODE      0x1000  /* Select mode, only for mappings */
 672
 673 #define MAP_ALL_MODES   (0x3f | SELECTMODE)     /* all mode bits used for
 674                                                  * mapping */
 675
 676 /* directions */
 677 #define FORWARD                 1
 678 #define BACKWARD                (-1)
 679 #define FORWARD_FILE            3
 680 #define BACKWARD_FILE           (-3)
 681
 682 /* return values for functions */
 683 #if !(defined(OK) && (OK == 1))
 684 /* OK already defined to 1 in MacOS X curses, skip this */
 685 # define OK                     1
 686 #endif
 687 #define FAIL                    0
 688 #define NOTDONE                 2   /* not OK or FAIL but skipped */
 689
 690 /* flags for b_flags */
 691 #define BF_RECOVERED    0x01    /* buffer has been recovered */
 692 #define BF_CHECK_RO     0x02    /* need to check readonly when loading file
 693                                    into buffer (set by ":e", may be reset by
 694                                    ":buf" */
 695 #define BF_NEVERLOADED  0x04    /* file has never been loaded into buffer,
 696                                    many variables still need to be set */
 697 #define BF_NOTEDITED    0x08    /* Set when file name is changed after
 698                                    starting to edit, reset when file is
 699                                    written out. */
 700 #define BF_NEW          0x10    /* file didn't exist when editing started */
 701 #define BF_NEW_W        0x20    /* Warned for BF_NEW and file created */
 702 #define BF_READERR      0x40    /* got errors while reading the file */
 703 #define BF_DUMMY        0x80    /* dummy buffer, only used internally */
 704 #define BF_PRESERVED    0x100   /* ":preserve" was used */
 705
 706 /* Mask to check for flags that prevent normal writing */
 707 #define BF_WRITE_MASK   (BF_NOTEDITED + BF_NEW + BF_READERR)
 708
 709 /*
 710  * values for xp_context when doing command line completion
 711  */
 712 #define EXPAND_UNSUCCESSFUL     (-2)
 713 #define EXPAND_OK               (-1)
 714 #define EXPAND_NOTHING          0
 715 #define EXPAND_COMMANDS         1
 716 #define EXPAND_FILES            2
 717 #define EXPAND_DIRECTORIES      3
 718 #define EXPAND_SETTINGS         4
 719 #define EXPAND_BOOL_SETTINGS    5
 720 #define EXPAND_TAGS             6
 721 #define EXPAND_OLD_SETTING      7
 722 #define EXPAND_HELP             8
 723 #define EXPAND_BUFFERS          9
 724 #define EXPAND_EVENTS           10
 725 #define EXPAND_MENUS            11
 726 #define EXPAND_SYNTAX           12
 727 #define EXPAND_HIGHLIGHT        13
 728 #define EXPAND_AUGROUP          14
 729 #define EXPAND_USER_VARS        15
 730 #define EXPAND_MAPPINGS         16
 731 #define EXPAND_TAGS_LISTFILES   17
 732 #define EXPAND_FUNCTIONS        18
 733 #define EXPAND_USER_FUNC        19
 734 #define EXPAND_EXPRESSION       20
 735 #define EXPAND_MENUNAMES        21
 736 #define EXPAND_USER_COMMANDS    22
 737 #define EXPAND_USER_CMD_FLAGS   23
 738 #define EXPAND_USER_NARGS       24
 739 #define EXPAND_USER_COMPLETE    25
 740 #define EXPAND_ENV_VARS         26
 741 #define EXPAND_LANGUAGE         27
 742 #define EXPAND_COLORS           28
 743 #define EXPAND_COMPILER         29
 744 #define EXPAND_USER_DEFINED     30
 745 #define EXPAND_USER_LIST        31
 746 #define EXPAND_SHELLCMD         32
 747 #define EXPAND_CSCOPE           33
 748 #define EXPAND_SIGN             34
 749 #define EXPAND_PROFILE          35
 750 #define EXPAND_BEHAVE           36
 751
 752 /* Values for exmode_active (0 is no exmode) */
 753 #define EXMODE_NORMAL           1
 754 #define EXMODE_VIM              2
 755
 756 /* Values for nextwild() and ExpandOne().  See ExpandOne() for meaning. */
 757 #define WILD_FREE               1
 758 #define WILD_EXPAND_FREE        2
 759 #define WILD_EXPAND_KEEP        3
 760 #define WILD_NEXT               4
 761 #define WILD_PREV               5
 762 #define WILD_ALL                6
 763 #define WILD_LONGEST            7
 764
 765 #define WILD_LIST_NOTFOUND      1
 766 #define WILD_HOME_REPLACE       2
 767 #define WILD_USE_NL             4
 768 #define WILD_NO_BEEP            8
 769 #define WILD_ADD_SLASH          16
 770 #define WILD_KEEP_ALL           32
 771 #define WILD_SILENT             64
 772 #define WILD_ESCAPE             128
 773
 774 /* Flags for expand_wildcards() */
 775 #define EW_DIR          0x01    /* include directory names */
 776 #define EW_FILE         0x02    /* include file names */
 777 #define EW_NOTFOUND     0x04    /* include not found names */
 778 #define EW_ADDSLASH     0x08    /* append slash to directory name */
 779 #define EW_KEEPALL      0x10    /* keep all matches */
 780 #define EW_SILENT       0x20    /* don't print "1 returned" from shell */
 781 #define EW_EXEC         0x40    /* executable files */
 782 /* Note: mostly EW_NOTFOUND and EW_SILENT are mutually exclusive: EW_NOTFOUND
 783  * is used when executing commands and EW_SILENT for interactive expanding. */
 784
 785 /* Flags for find_file_*() functions. */
 786 #define FINDFILE_FILE   0       /* only files */
 787 #define FINDFILE_DIR    1       /* only directories */
 788 #define FINDFILE_BOTH   2       /* files and directories */
 789
 790 #ifdef FEAT_VERTSPLIT
 791 # define W_WINCOL(wp)   (wp->w_wincol)
 792 # define W_WIDTH(wp)    (wp->w_width)
 793 # define W_ENDCOL(wp)   (wp->w_wincol + wp->w_width)
 794 # define W_VSEP_WIDTH(wp) (wp->w_vsep_width)
 795 #else
 796 # define W_WINCOL(wp)   0
 797 # define W_WIDTH(wp)    Columns
 798 # define W_ENDCOL(wp)   Columns
 799 # define W_VSEP_WIDTH(wp) 0
 800 #endif
 801 #ifdef FEAT_WINDOWS
 802 # define W_STATUS_HEIGHT(wp) (wp->w_status_height)
 803 # define W_WINROW(wp)   (wp->w_winrow)
 804 #else
 805 # define W_STATUS_HEIGHT(wp) 0
 806 # define W_WINROW(wp)   0
 807 #endif
 808
 809 #ifdef NO_EXPANDPATH
 810 # define gen_expand_wildcards mch_expand_wildcards
 811 #endif
 812
 813 /* Values for the find_pattern_in_path() function args 'type' and 'action': */
 814 #define FIND_ANY        1
 815 #define FIND_DEFINE     2
 816 #define CHECK_PATH      3
 817
 818 #define ACTION_SHOW     1
 819 #define ACTION_GOTO     2
 820 #define ACTION_SPLIT    3
 821 #define ACTION_SHOW_ALL 4
 822 #ifdef FEAT_INS_EXPAND
 823 # define ACTION_EXPAND  5
 824 #endif
 825
 826 #ifdef FEAT_SYN_HL
 827 # define SST_MIN_ENTRIES 150    /* minimal size for state stack array */
 828 # ifdef FEAT_GUI_W16
 829 #  define SST_MAX_ENTRIES 500   /* (only up to 64K blocks) */
 830 # else
 831 #  define SST_MAX_ENTRIES 1000  /* maximal size for state stack array */
 832 # endif
 833 # define SST_FIX_STATES  7      /* size of sst_stack[]. */
 834 # define SST_DIST        16     /* normal distance between entries */
 835 #endif
 836
 837 /* Values for 'options' argument in do_search() and searchit() */
 838 #define SEARCH_REV    0x01  /* go in reverse of previous dir. */
 839 #define SEARCH_ECHO   0x02  /* echo the search command and handle options */
 840 #define SEARCH_MSG    0x0c  /* give messages (yes, it's not 0x04) */
 841 #define SEARCH_NFMSG  0x08  /* give all messages except not found */
 842 #define SEARCH_OPT    0x10  /* interpret optional flags */
 843 #define SEARCH_HIS    0x20  /* put search pattern in history */
 844 #define SEARCH_END    0x40  /* put cursor at end of match */
 845 #define SEARCH_NOOF   0x80  /* don't add offset to position */
 846 #define SEARCH_START 0x100  /* start search without col offset */
 847 #define SEARCH_MARK  0x200  /* set previous context mark */
 848 #define SEARCH_KEEP  0x400  /* keep previous search pattern */
 849 #define SEARCH_PEEK  0x800  /* peek for typed char, cancel search */
 850 #ifdef USE_MIGEMO
 851 # define SEARCH_MIGEMO  0x1000  /* use migemo for search */
 852 #endif
 853
 854 /* Values for find_ident_under_cursor() */
 855 #define FIND_IDENT      1       /* find identifier (word) */
 856 #define FIND_STRING     2       /* find any string (WORD) */
 857 #define FIND_EVAL       4       /* include "->", "[]" and "." */
 858
 859 /* Values for file_name_in_line() */
 860 #define FNAME_MESS      1       /* give error message */
 861 #define FNAME_EXP       2       /* expand to path */
 862 #define FNAME_HYP       4       /* check for hypertext link */
 863 #define FNAME_INCL      8       /* apply 'includeexpr' */
 864 #define FNAME_REL       16      /* ".." and "./" are relative to the (current)
 865                                    file instead of the current directory */
 866
 867 /* Values for buflist_getfile() */
 868 #define GETF_SETMARK    0x01    /* set pcmark before jumping */
 869 #define GETF_ALT        0x02    /* jumping to alternate file (not buf num) */
 870 #define GETF_SWITCH     0x04    /* respect 'switchbuf' settings when jumping */
 871
 872 /* Values for buflist_new() flags */
 873 #define BLN_CURBUF      1       /* May re-use curbuf for new buffer */
 874 #define BLN_LISTED      2       /* Put new buffer in buffer list */
 875 #define BLN_DUMMY       4       /* Allocating dummy buffer */
 876
 877 /* Values for in_cinkeys() */
 878 #define KEY_OPEN_FORW   0x101
 879 #define KEY_OPEN_BACK   0x102
 880 #define KEY_COMPLETE    0x103   /* end of completion */
 881
 882 /* Values for "noremap" argument of ins_typebuf().  Also used for
 883  * map->m_noremap and menu->noremap[]. */
 884 #define REMAP_YES       0       /* allow remapping */
 885 #define REMAP_NONE      -1      /* no remapping */
 886 #define REMAP_SCRIPT    -2      /* remap script-local mappings only */
 887 #define REMAP_SKIP      -3      /* no remapping for first char */
 888
 889 /* Values for mch_call_shell() second argument */
 890 #define SHELL_FILTER    1       /* filtering text */
 891 #define SHELL_EXPAND    2       /* expanding wildcards */
 892 #define SHELL_COOKED    4       /* set term to cooked mode */
 893 #define SHELL_DOOUT     8       /* redirecting output */
 894 #define SHELL_SILENT    16      /* don't print error returned by command */
 895 #define SHELL_READ      32      /* read lines and insert into buffer */
 896 #define SHELL_WRITE     64      /* write lines from buffer */
 897
 898 /* Values returned by mch_nodetype() */
 899 #define NODE_NORMAL     0       /* file or directory, check with mch_isdir()*/
 900 #define NODE_WRITABLE   1       /* something we can write to (character
 901                                    device, fifo, socket, ..) */
 902 #define NODE_OTHER      2       /* non-writable thing (e.g., block device) */
 903
 904 /* Values for readfile() flags */
 905 #define READ_NEW        0x01    /* read a file into a new buffer */
 906 #define READ_FILTER     0x02    /* read filter output */
 907 #define READ_STDIN      0x04    /* read from stdin */
 908 #define READ_BUFFER     0x08    /* read from curbuf (converting stdin) */
 909 #define READ_DUMMY      0x10    /* reading into a dummy buffer */
 910
 911 /* Values for change_indent() */
 912 #define INDENT_SET      1       /* set indent */
 913 #define INDENT_INC      2       /* increase indent */
 914 #define INDENT_DEC      3       /* decrease indent */
 915
 916 /* Values for flags argument for findmatchlimit() */
 917 #define FM_BACKWARD     0x01    /* search backwards */
 918 #define FM_FORWARD      0x02    /* search forwards */
 919 #define FM_BLOCKSTOP    0x04    /* stop at start/end of block */
 920 #define FM_SKIPCOMM     0x08    /* skip comments */
 921
 922 /* Values for action argument for do_buffer() */
 923 #define DOBUF_GOTO      0       /* go to specified buffer */
 924 #define DOBUF_SPLIT     1       /* split window and go to specified buffer */
 925 #define DOBUF_UNLOAD    2       /* unload specified buffer(s) */
 926 #define DOBUF_DEL       3       /* delete specified buffer(s) from buflist */
 927 #define DOBUF_WIPE      4       /* delete specified buffer(s) really */
 928
 929 /* Values for start argument for do_buffer() */
 930 #define DOBUF_CURRENT   0       /* "count" buffer from current buffer */
 931 #define DOBUF_FIRST     1       /* "count" buffer from first buffer */
 932 #define DOBUF_LAST      2       /* "count" buffer from last buffer */
 933 #define DOBUF_MOD       3       /* "count" mod. buffer from current buffer */
 934
 935 /* Values for sub_cmd and which_pat argument for search_regcomp() */
 936 /* Also used for which_pat argument for searchit() */
 937 #define RE_SEARCH       0       /* save/use pat in/from search_pattern */
 938 #define RE_SUBST        1       /* save/use pat in/from subst_pattern */
 939 #define RE_BOTH         2       /* save pat in both patterns */
 940 #define RE_LAST         2       /* use last used pattern if "pat" is NULL */
 941
 942 /* Second argument for vim_regcomp(). */
 943 #define RE_MAGIC        1       /* 'magic' option */
 944 #define RE_STRING       2       /* match in string instead of buffer text */
 945 #define RE_STRICT       4       /* don't allow [abc] without ] */
 946
 947 #ifdef FEAT_SYN_HL
 948 /* values for reg_do_extmatch */
 949 # define REX_SET        1       /* to allow \z\(...\), */
 950 # define REX_USE        2       /* to allow \z\1 et al. */
 951 #endif
 952
 953 /* Return values for fullpathcmp() */
 954 /* Note: can use (fullpathcmp() & FPC_SAME) to check for equal files */
 955 #define FPC_SAME        1       /* both exist and are the same file. */
 956 #define FPC_DIFF        2       /* both exist and are different files. */
 957 #define FPC_NOTX        4       /* both don't exist. */
 958 #define FPC_DIFFX       6       /* one of them doesn't exist. */
 959 #define FPC_SAMEX       7       /* both don't exist and file names are same. */
 960
 961 /* flags for do_ecmd() */
 962 #define ECMD_HIDE       0x01    /* don't free the current buffer */
 963 #define ECMD_SET_HELP   0x02    /* set b_help flag of (new) buffer before
 964                                    opening file */
 965 #define ECMD_OLDBUF     0x04    /* use existing buffer if it exists */
 966 #define ECMD_FORCEIT    0x08    /* ! used in Ex command */
 967 #define ECMD_ADDBUF     0x10    /* don't edit, just add to buffer list */
 968
 969 /* for lnum argument in do_ecmd() */
 970 #define ECMD_LASTL      (linenr_T)0     /* use last position in loaded file */
 971 #define ECMD_LAST       (linenr_T)-1    /* use last position in all files */
 972 #define ECMD_ONE        (linenr_T)1     /* use first line */
 973
 974 /* flags for do_cmdline() */
 975 #define DOCMD_VERBOSE   0x01    /* included command in error message */
 976 #define DOCMD_NOWAIT    0x02    /* don't call wait_return() and friends */
 977 #define DOCMD_REPEAT    0x04    /* repeat exec. until getline() returns NULL */
 978 #define DOCMD_KEYTYPED  0x08    /* don't reset KeyTyped */
 979 #define DOCMD_EXCRESET  0x10    /* reset exception environment (for debugging)*/
 980 #define DOCMD_KEEPLINE  0x20    /* keep typed line for repeating with "." */
 981
 982 /* flags for beginline() */
 983 #define BL_WHITE        1       /* cursor on first non-white in the line */
 984 #define BL_SOL          2       /* use 'sol' option */
 985 #define BL_FIX          4       /* don't leave cursor on a NUL */
 986
 987 /* flags for mf_sync() */
 988 #define MFS_ALL         1       /* also sync blocks with negative numbers */
 989 #define MFS_STOP        2       /* stop syncing when a character is available */
 990 #define MFS_FLUSH       4       /* flushed file to disk */
 991 #define MFS_ZERO        8       /* only write block 0 */
 992
 993 /* flags for buf_copy_options() */
 994 #define BCO_ENTER       1       /* going to enter the buffer */
 995 #define BCO_ALWAYS      2       /* always copy the options */
 996 #define BCO_NOHELP      4       /* don't touch the help related options */
 997
 998 /* flags for do_put() */
 999 #define PUT_FIXINDENT   1       /* make indent look nice */
1000 #define PUT_CURSEND     2       /* leave cursor after end of new text */
1001 #define PUT_CURSLINE    4       /* leave cursor on last line of new text */
1002 #define PUT_LINE        8       /* put register as lines */
1003 #define PUT_LINE_SPLIT  16      /* split line for linewise register */
1004 #define PUT_LINE_FORWARD 32     /* put linewise register below Visual sel. */
1005
1006 /* flags for set_indent() */
1007 #define SIN_CHANGED     1       /* call changed_bytes() when line changed */
1008 #define SIN_INSERT      2       /* insert indent before existing text */
1009 #define SIN_UNDO        4       /* save line for undo before changing it */
1010
1011 /* flags for insertchar() */
1012 #define INSCHAR_FORMAT  1       /* force formatting */
1013 #define INSCHAR_DO_COM  2       /* format comments */
1014 #define INSCHAR_CTRLV   4       /* char typed just after CTRL-V */
1015 #define INSCHAR_NO_FEX  8       /* don't use 'formatexpr' */
1016
1017 /* flags for open_line() */
1018 #define OPENLINE_DELSPACES  1   /* delete spaces after cursor */
1019 #define OPENLINE_DO_COM     2   /* format comments */
1020 #define OPENLINE_KEEPTRAIL  4   /* keep trailing spaces */
1021 #define OPENLINE_MARKFIX    8   /* fix mark positions */
1022
1023 /*
1024  * There are four history tables:
1025  */
1026 #define HIST_CMD        0       /* colon commands */
1027 #define HIST_SEARCH     1       /* search commands */
1028 #define HIST_EXPR       2       /* expressions (from entering = register) */
1029 #define HIST_INPUT      3       /* input() lines */
1030 #define HIST_DEBUG      4       /* debug commands */
1031 #define HIST_COUNT      5       /* number of history tables */
1032
1033 /*
1034  * Flags for chartab[].
1035  */
1036 #define CT_CELL_MASK    0x07    /* mask: nr of display cells (1, 2 or 4) */
1037 #define CT_PRINT_CHAR   0x10    /* flag: set for printable chars */
1038 #define CT_ID_CHAR      0x20    /* flag: set for ID chars */
1039 #define CT_FNAME_CHAR   0x40    /* flag: set for file name chars */
1040
1041 /*
1042  * Values for do_tag().
1043  */
1044 #define DT_TAG          1       /* jump to newer position or same tag again */
1045 #define DT_POP          2       /* jump to older position */
1046 #define DT_NEXT         3       /* jump to next match of same tag */
1047 #define DT_PREV         4       /* jump to previous match of same tag */
1048 #define DT_FIRST        5       /* jump to first match of same tag */
1049 #define DT_LAST         6       /* jump to first match of same tag */
1050 #define DT_SELECT       7       /* jump to selection from list */
1051 #define DT_HELP         8       /* like DT_TAG, but no wildcards */
1052 #define DT_JUMP         9       /* jump to new tag or selection from list */
1053 #define DT_CSCOPE       10      /* cscope find command (like tjump) */
1054 #define DT_LTAG         11      /* tag using location list */
1055 #define DT_FREE         99      /* free cached matches */
1056
1057 /*
1058  * flags for find_tags().
1059  */
1060 #define TAG_HELP        1       /* only search for help tags */
1061 #define TAG_NAMES       2       /* only return name of tag */
1062 #define TAG_REGEXP      4       /* use tag pattern as regexp */
1063 #define TAG_NOIC        8       /* don't always ignore case */
1064 #ifdef FEAT_CSCOPE
1065 # define TAG_CSCOPE     16      /* cscope tag */
1066 #endif
1067 #define TAG_VERBOSE     32      /* message verbosity */
1068 #define TAG_INS_COMP    64      /* Currently doing insert completion */
1069 #define TAG_KEEP_LANG   128     /* keep current language */
1070
1071 #define TAG_MANY        300     /* When finding many tags (for completion),
1072                                    find up to this many tags */
1073
1074 /*
1075  * Types of dialogs passed to do_vim_dialog().
1076  */
1077 #define VIM_GENERIC     0
1078 #define VIM_ERROR       1
1079 #define VIM_WARNING     2
1080 #define VIM_INFO        3
1081 #define VIM_QUESTION    4
1082 #define VIM_LAST_TYPE   4       /* sentinel value */
1083
1084 /*
1085  * Return values for functions like gui_yesnocancel()
1086  */
1087 #define VIM_YES         2
1088 #define VIM_NO          3
1089 #define VIM_CANCEL      4
1090 #define VIM_ALL         5
1091 #define VIM_DISCARDALL  6
1092
1093 /*
1094  * arguments for win_split()
1095  */
1096 #define WSP_ROOM        1       /* require enough room */
1097 #define WSP_VERT        2       /* split vertically */
1098 #define WSP_TOP         4       /* window at top-left of shell */
1099 #define WSP_BOT         8       /* window at bottom-right of shell */
1100 #define WSP_HELP        16      /* creating the help window */
1101 #define WSP_BELOW       32      /* put new window below/right */
1102 #define WSP_ABOVE       64      /* put new window above/left */
1103 #define WSP_NEWLOC      128     /* don't copy location list */
1104
1105 /*
1106  * arguments for gui_set_shellsize()
1107  */
1108 #define RESIZE_VERT     1       /* resize vertically */
1109 #define RESIZE_HOR      2       /* resize horizontally */
1110 #define RESIZE_BOTH     15      /* resize in both directions */
1111
1112 /*
1113  * "flags" values for option-setting functions.
1114  * When OPT_GLOBAL and OPT_LOCAL are both missing, set both local and global
1115  * values, get local value.
1116  */
1117 #define OPT_FREE        1       /* free old value if it was allocated */
1118 #define OPT_GLOBAL      2       /* use global value */
1119 #define OPT_LOCAL       4       /* use local value */
1120 #define OPT_MODELINE    8       /* option in modeline */
1121 #define OPT_WINONLY     16      /* only set window-local options */
1122 #define OPT_NOWIN       32      /* don't set window-local options */
1123
1124 /* Magic chars used in confirm dialog strings */
1125 #define DLG_BUTTON_SEP  '\n'
1126 #define DLG_HOTKEY_CHAR '&'
1127
1128 /* Values for "starting" */
1129 #define NO_SCREEN       2       /* no screen updating yet */
1130 #define NO_BUFFERS      1       /* not all buffers loaded yet */
1131 /*                      0          not starting anymore */
1132
1133 /* Values for swap_exists_action: what to do when swap file already exists */
1134 #define SEA_NONE        0       /* don't use dialog */
1135 #define SEA_DIALOG      1       /* use dialog when possible */
1136 #define SEA_QUIT        2       /* quit editing the file */
1137 #define SEA_RECOVER     3       /* recover the file */
1138
1139 /*
1140  * Minimal size for block 0 of a swap file.
1141  * NOTE: This depends on size of struct block0! It's not done with a sizeof(),
1142  * because struct block0 is defined in memline.c (Sorry).
1143  * The maximal block size is arbitrary.
1144  */
1145 #define MIN_SWAP_PAGE_SIZE 1048
1146 #define MAX_SWAP_PAGE_SIZE 50000
1147
1148 /* Special values for current_SID. */
1149 #define SID_MODELINE    -1      /* when using a modeline */
1150 #define SID_CMDARG      -2      /* for "--cmd" argument */
1151 #define SID_CARG        -3      /* for "-c" argument */
1152 #define SID_ENV         -4      /* for sourcing environment variable */
1153 #define SID_ERROR       -5      /* option was reset because of an error */
1154 #define SID_NONE        -6      /* don't set scriptID */
1155
1156 /*
1157  * Events for autocommands.
1158  */
1159 enum auto_event
1160 {
1161     EVENT_BUFADD = 0,           /* after adding a buffer to the buffer list */
1162     EVENT_BUFNEW,               /* after creating any buffer */
1163     EVENT_BUFDELETE,            /* deleting a buffer from the buffer list */
1164     EVENT_BUFWIPEOUT,           /* just before really deleting a buffer */
1165     EVENT_BUFENTER,             /* after entering a buffer */
1166     EVENT_BUFFILEPOST,          /* after renaming a buffer */
1167     EVENT_BUFFILEPRE,           /* before renaming a buffer */
1168     EVENT_BUFLEAVE,             /* before leaving a buffer */
1169     EVENT_BUFNEWFILE,           /* when creating a buffer for a new file */
1170     EVENT_BUFREADPOST,          /* after reading a buffer */
1171     EVENT_BUFREADPRE,           /* before reading a buffer */
1172     EVENT_BUFREADCMD,           /* read buffer using command */
1173     EVENT_BUFUNLOAD,            /* just before unloading a buffer */
1174     EVENT_BUFHIDDEN,            /* just after buffer becomes hidden */
1175     EVENT_BUFWINENTER,          /* after showing a buffer in a window */
1176     EVENT_BUFWINLEAVE,          /* just after buffer removed from window */
1177     EVENT_BUFWRITEPOST,         /* after writing a buffer */
1178     EVENT_BUFWRITEPRE,          /* before writing a buffer */
1179     EVENT_BUFWRITECMD,          /* write buffer using command */
1180     EVENT_CMDWINENTER,          /* after entering the cmdline window */
1181     EVENT_CMDWINLEAVE,          /* before leaving the cmdline window */
1182     EVENT_COLORSCHEME,          /* after loading a colorscheme */
1183     EVENT_FILEAPPENDPOST,       /* after appending to a file */
1184     EVENT_FILEAPPENDPRE,        /* before appending to a file */
1185     EVENT_FILEAPPENDCMD,        /* append to a file using command */
1186     EVENT_FILECHANGEDSHELL,     /* after shell command that changed file */
1187     EVENT_FILECHANGEDSHELLPOST, /* after (not) reloading changed file */
1188     EVENT_FILECHANGEDRO,        /* before first change to read-only file */
1189     EVENT_FILEREADPOST,         /* after reading a file */
1190     EVENT_FILEREADPRE,          /* before reading a file */
1191     EVENT_FILEREADCMD,          /* read from a file using command */
1192     EVENT_FILETYPE,             /* new file type detected (user defined) */
1193     EVENT_FILEWRITEPOST,        /* after writing a file */
1194     EVENT_FILEWRITEPRE,         /* before writing a file */
1195     EVENT_FILEWRITECMD,         /* write to a file using command */
1196     EVENT_FILTERREADPOST,       /* after reading from a filter */
1197     EVENT_FILTERREADPRE,        /* before reading from a filter */
1198     EVENT_FILTERWRITEPOST,      /* after writing to a filter */
1199     EVENT_FILTERWRITEPRE,       /* before writing to a filter */
1200     EVENT_FOCUSGAINED,          /* got the focus */
1201     EVENT_FOCUSLOST,            /* lost the focus to another app */
1202     EVENT_GUIENTER,             /* after starting the GUI */
1203     EVENT_GUIFAILED,            /* after starting the GUI failed */
1204     EVENT_INSERTCHANGE,         /* when changing Insert/Replace mode */
1205     EVENT_INSERTENTER,          /* when entering Insert mode */
1206     EVENT_INSERTLEAVE,          /* when leaving Insert mode */
1207     EVENT_MENUPOPUP,            /* just before popup menu is displayed */
1208     EVENT_QUICKFIXCMDPOST,      /* after :make, :grep etc */
1209     EVENT_QUICKFIXCMDPRE,       /* before :make, :grep etc */
1210     EVENT_SESSIONLOADPOST,      /* after loading a session file */
1211     EVENT_STDINREADPOST,        /* after reading from stdin */
1212     EVENT_STDINREADPRE,         /* before reading from stdin */
1213     EVENT_SYNTAX,               /* syntax selected */
1214     EVENT_TERMCHANGED,          /* after changing 'term' */
1215     EVENT_TERMRESPONSE,         /* after setting "v:termresponse" */
1216     EVENT_USER,                 /* user defined autocommand */
1217     EVENT_VIMENTER,             /* after starting Vim */
1218     EVENT_VIMLEAVE,             /* before exiting Vim */
1219     EVENT_VIMLEAVEPRE,          /* before exiting Vim and writing .viminfo */
1220     EVENT_VIMRESIZED,           /* after Vim window was resized */
1221     EVENT_WINENTER,             /* after entering a window */
1222     EVENT_WINLEAVE,             /* before leaving a window */
1223     EVENT_ENCODINGCHANGED,      /* after changing the 'encoding' option */
1224     EVENT_CURSORHOLD,           /* cursor in same position for a while */
1225     EVENT_CURSORHOLDI,          /* idem, in Insert mode */
1226     EVENT_FUNCUNDEFINED,        /* if calling a function which doesn't exist */
1227     EVENT_REMOTEREPLY,          /* upon string reception from a remote vim */
1228     EVENT_SWAPEXISTS,           /* found existing swap file */
1229     EVENT_SOURCEPRE,            /* before sourcing a Vim script */
1230     EVENT_SOURCECMD,            /* sourcing a Vim script using command */
1231     EVENT_SPELLFILEMISSING,     /* spell file missing */
1232     EVENT_CURSORMOVED,          /* cursor was moved */
1233     EVENT_CURSORMOVEDI,         /* cursor was moved in Insert mode */
1234     EVENT_TABLEAVE,             /* before leaving a tab page */
1235     EVENT_TABENTER,             /* after entering a tab page */
1236     EVENT_SHELLCMDPOST,         /* after ":!cmd" */
1237     EVENT_SHELLFILTERPOST,      /* after ":1,2!cmd", ":w !cmd", ":r !cmd". */
1238     NUM_EVENTS                  /* MUST be the last one */
1239 };
1240
1241 typedef enum auto_event event_T;
1242
1243 /*
1244  * Values for index in highlight_attr[].
1245  * When making changes, also update HL_FLAGS below!  And update the default
1246  * value of 'highlight' in option.c.
1247  */
1248 typedef enum
1249 {
1250     HLF_8 = 0       /* Meta & special keys listed with ":map", text that is
1251                        displayed different from what it is */
1252     , HLF_AT        /* @ and ~ characters at end of screen, characters that
1253                        don't really exist in the text */
1254     , HLF_D         /* directories in CTRL-D listing */
1255     , HLF_E         /* error messages */
1256     , HLF_H         /* obsolete, ignored */
1257     , HLF_I         /* incremental search */
1258     , HLF_L         /* last search string */
1259     , HLF_M         /* "--More--" message */
1260     , HLF_CM        /* Mode (e.g., "-- INSERT --") */
1261     , HLF_N         /* line number for ":number" and ":#" commands */
1262     , HLF_R         /* return to continue message and yes/no questions */
1263     , HLF_S         /* status lines */
1264     , HLF_SNC       /* status lines of not-current windows */
1265     , HLF_C         /* column to separate vertically split windows */
1266     , HLF_T         /* Titles for output from ":set all", ":autocmd" etc. */
1267     , HLF_V         /* Visual mode */
1268     , HLF_VNC       /* Visual mode, autoselecting and not clipboard owner */
1269     , HLF_W         /* warning messages */
1270     , HLF_WM        /* Wildmenu highlight */
1271     , HLF_FL        /* Folded line */
1272     , HLF_FC        /* Fold column */
1273     , HLF_ADD       /* Added diff line */
1274     , HLF_CHD       /* Changed diff line */
1275     , HLF_DED       /* Deleted diff line */
1276     , HLF_TXD       /* Text Changed in diff line */
1277     , HLF_SC        /* Sign column */
1278     , HLF_SPB       /* SpellBad */
1279     , HLF_SPC       /* SpellCap */
1280     , HLF_SPR       /* SpellRare */
1281     , HLF_SPL       /* SpellLocal */
1282     , HLF_PNI       /* popup menu normal item */
1283     , HLF_PSI       /* popup menu selected item */
1284     , HLF_PSB       /* popup menu scrollbar */
1285     , HLF_PST       /* popup menu scrollbar thumb */
1286     , HLF_TP        /* tabpage line */
1287     , HLF_TPS       /* tabpage line selected */
1288     , HLF_TPF       /* tabpage line filler */
1289     , HLF_CUC       /* 'cursurcolumn' */
1290     , HLF_CUL       /* 'cursurline' */
1291     , HLF_COUNT     /* MUST be the last one */
1292 } hlf_T;
1293
1294 /* The HL_FLAGS must be in the same order as the HLF_ enums!
1295  * When changing this also adjust the default for 'highlight'. */
1296 #define HL_FLAGS {'8', '@', 'd', 'e', 'h', 'i', 'l', 'm', 'M', \
1297                   'n', 'r', 's', 'S', 'c', 't', 'v', 'V', 'w', 'W', \
1298                   'f', 'F', 'A', 'C', 'D', 'T', '>', \
1299                   'B', 'P', 'R', 'L', \
1300                   '+', '=', 'x', 'X', '*', '#', '_', '!', '.'}
1301
1302 /*
1303  * Boolean constants
1304  */
1305 #ifndef TRUE
1306 # define FALSE  0           /* note: this is an int, not a long! */
1307 # define TRUE   1
1308 #endif
1309
1310 #define MAYBE   2           /* sometimes used for a variant on TRUE */
1311
1312 /*
1313  * Operator IDs; The order must correspond to opchars[] in ops.c!
1314  */
1315 #define OP_NOP          0       /* no pending operation */
1316 #define OP_DELETE       1       /* "d"  delete operator */
1317 #define OP_YANK         2       /* "y"  yank operator */
1318 #define OP_CHANGE       3       /* "c"  change operator */
1319 #define OP_LSHIFT       4       /* "<"  left shift operator */
1320 #define OP_RSHIFT       5       /* ">"  right shift operator */
1321 #define OP_FILTER       6       /* "!"  filter operator */
1322 #define OP_TILDE        7       /* "g~" switch case operator */
1323 #define OP_INDENT       8       /* "="  indent operator */
1324 #define OP_FORMAT       9       /* "gq" format operator */
1325 #define OP_COLON        10      /* ":"  colon operator */
1326 #define OP_UPPER        11      /* "gU" make upper case operator */
1327 #define OP_LOWER        12      /* "gu" make lower case operator */
1328 #define OP_JOIN         13      /* "J"  join operator, only for Visual mode */
1329 #define OP_JOIN_NS      14      /* "gJ"  join operator, only for Visual mode */
1330 #define OP_ROT13        15      /* "g?" rot-13 encoding */
1331 #define OP_REPLACE      16      /* "r"  replace chars, only for Visual mode */
1332 #define OP_INSERT       17      /* "I"  Insert column, only for Visual mode */
1333 #define OP_APPEND       18      /* "A"  Append column, only for Visual mode */
1334 #define OP_FOLD         19      /* "zf" define a fold */
1335 #define OP_FOLDOPEN     20      /* "zo" open folds */
1336 #define OP_FOLDOPENREC  21      /* "zO" open folds recursively */
1337 #define OP_FOLDCLOSE    22      /* "zc" close folds */
1338 #define OP_FOLDCLOSEREC 23      /* "zC" close folds recursively */
1339 #define OP_FOLDDEL      24      /* "zd" delete folds */
1340 #define OP_FOLDDELREC   25      /* "zD" delete folds recursively */
1341 #define OP_FORMAT2      26      /* "gw" format operator, keeps cursor pos */
1342 #define OP_FUNCTION     27      /* "g@" call 'operatorfunc' */
1343
1344 /*
1345  * Motion types, used for operators and for yank/delete registers.
1346  */
1347 #define MCHAR   0               /* character-wise movement/register */
1348 #define MLINE   1               /* line-wise movement/register */
1349 #define MBLOCK  2               /* block-wise register */
1350
1351 #define MAUTO   0xff            /* Decide between MLINE/MCHAR */
1352
1353 /*
1354  * Minimum screen size
1355  */
1356 #define MIN_COLUMNS     12      /* minimal columns for screen */
1357 #define MIN_LINES       2       /* minimal lines for screen */
1358 #define STATUS_HEIGHT   1       /* height of a status line under a window */
1359 #define QF_WINHEIGHT    10      /* default height for quickfix window */
1360
1361 /*
1362  * Buffer sizes
1363  */
1364 #ifndef CMDBUFFSIZE
1365 # define CMDBUFFSIZE    256     /* size of the command processing buffer */
1366 #endif
1367
1368 #define LSIZE       512         /* max. size of a line in the tags file */
1369
1370 #define IOSIZE     (1024+1)     /* file i/o and sprintf buffer size */
1371
1372 #ifdef FEAT_MBYTE
1373 # define MSG_BUF_LEN 480        /* length of buffer for small messages */
1374 # define MSG_BUF_CLEN  (MSG_BUF_LEN / 6)    /* cell length (worst case: utf-8
1375                                                takes 6 bytes for one cell) */
1376 #else
1377 # define MSG_BUF_LEN 80         /* length of buffer for small messages */
1378 # define MSG_BUF_CLEN  MSG_BUF_LEN          /* cell length */
1379 #endif
1380
1381 /* Size of the buffer used for tgetent().  Unfortunately this is largely
1382  * undocumented, some systems use 1024.  Using a buffer that is too small
1383  * causes a buffer overrun and a crash.  Use the maximum known value to stay
1384  * on the safe side. */
1385 #define TBUFSZ 2048             /* buffer size for termcap entry */
1386
1387 /*
1388  * Maximum length of key sequence to be mapped.
1389  * Must be able to hold an Amiga resize report.
1390  */
1391 #define MAXMAPLEN   50
1392
1393 #ifdef HAVE_FCNTL_H
1394 # include <fcntl.h>
1395 #endif
1396
1397 #ifdef BINARY_FILE_IO
1398 # define WRITEBIN   "wb"        /* no CR-LF translation */
1399 # define READBIN    "rb"
1400 # define APPENDBIN  "ab"
1401 #else
1402 # define WRITEBIN   "w"
1403 # define READBIN    "r"
1404 # define APPENDBIN  "a"
1405 #endif
1406
1407 /*
1408  * EMX doesn't have a global way of making open() use binary I/O.
1409  * Use O_BINARY for all open() calls.
1410  */
1411 #if defined(__EMX__) || defined(__CYGWIN32__)
1412 # define O_EXTRA    O_BINARY
1413 #else
1414 # define O_EXTRA    0
1415 #endif
1416
1417 #ifndef O_NOFOLLOW
1418 # define O_NOFOLLOW 0
1419 #endif
1420
1421 #ifndef W_OK
1422 # define W_OK 2         /* for systems that don't have W_OK in unistd.h */
1423 #endif
1424 #ifndef R_OK
1425 # define R_OK 4         /* for systems that don't have R_OK in unistd.h */
1426 #endif
1427
1428 /*
1429  * defines to avoid typecasts from (char_u *) to (char *) and back
1430  * (vim_strchr() and vim_strrchr() are now in alloc.c)
1431  */
1432 #define STRLEN(s)           strlen((char *)(s))
1433 #define STRCPY(d, s)        strcpy((char *)(d), (char *)(s))
1434 #define STRNCPY(d, s, n)    strncpy((char *)(d), (char *)(s), (size_t)(n))
1435 #define STRCMP(d, s)        strcmp((char *)(d), (char *)(s))
1436 #define STRNCMP(d, s, n)    strncmp((char *)(d), (char *)(s), (size_t)(n))
1437 #ifdef HAVE_STRCASECMP
1438 # define STRICMP(d, s)      strcasecmp((char *)(d), (char *)(s))
1439 #else
1440 # ifdef HAVE_STRICMP
1441 #  define STRICMP(d, s)     stricmp((char *)(d), (char *)(s))
1442 # else
1443 #  define STRICMP(d, s)     vim_stricmp((char *)(d), (char *)(s))
1444 # endif
1445 #endif
1446
1447 /* Like strcpy() but allows overlapped source and destination. */
1448 #define STRMOVE(d, s)       mch_memmove((d), (s), STRLEN(s) + 1)
1449
1450 #ifdef HAVE_STRNCASECMP
1451 # define STRNICMP(d, s, n)  strncasecmp((char *)(d), (char *)(s), (size_t)(n))
1452 #else
1453 # ifdef HAVE_STRNICMP
1454 #  define STRNICMP(d, s, n) strnicmp((char *)(d), (char *)(s), (size_t)(n))
1455 # else
1456 #  define STRNICMP(d, s, n) vim_strnicmp((char *)(d), (char *)(s), (size_t)(n))
1457 # endif
1458 #endif
1459
1460 #ifdef FEAT_MBYTE
1461 /* We need to call mb_stricmp() even when we aren't dealing with a multi-byte
1462  * encoding because mb_stricmp() takes care of all ascii and non-ascii
1463  * encodings, including characters with umlauts in latin1, etc., while
1464  * STRICMP() only handles the system locale version, which often does not
1465  * handle non-ascii properly. */
1466
1467 # define MB_STRICMP(d, s)       mb_strnicmp((char_u *)(d), (char_u *)(s), (int)MAXCOL)
1468 # define MB_STRNICMP(d, s, n)   mb_strnicmp((char_u *)(d), (char_u *)(s), (int)(n))
1469 #else
1470 # define MB_STRICMP(d, s)       STRICMP((d), (s))
1471 # define MB_STRNICMP(d, s, n)   STRNICMP((d), (s), (n))
1472 #endif
1473
1474 #define STRCAT(d, s)        strcat((char *)(d), (char *)(s))
1475 #define STRNCAT(d, s, n)    strncat((char *)(d), (char *)(s), (size_t)(n))
1476
1477 #ifdef HAVE_STRPBRK
1478 # define vim_strpbrk(s, cs) (char_u *)strpbrk((char *)(s), (char *)(cs))
1479 #endif
1480
1481 #define MSG(s)                      msg((char_u *)(s))
1482 #define MSG_ATTR(s, attr)           msg_attr((char_u *)(s), (attr))
1483 #define EMSG(s)                     emsg((char_u *)(s))
1484 #define EMSG2(s, p)                 emsg2((char_u *)(s), (char_u *)(p))
1485 #define EMSG3(s, p, q)              emsg3((char_u *)(s), (char_u *)(p), (char_u *)(q))
1486 #define EMSGN(s, n)                 emsgn((char_u *)(s), (long)(n))
1487 #define EMSGU(s, n)                 emsgu((char_u *)(s), (long_u)(n))
1488 #define OUT_STR(s)                  out_str((char_u *)(s))
1489 #define OUT_STR_NF(s)               out_str_nf((char_u *)(s))
1490 #define MSG_PUTS(s)                 msg_puts((char_u *)(s))
1491 #define MSG_PUTS_ATTR(s, a)         msg_puts_attr((char_u *)(s), (a))
1492 #define MSG_PUTS_TITLE(s)           msg_puts_title((char_u *)(s))
1493 #define MSG_PUTS_LONG(s)            msg_puts_long_attr((char_u *)(s), 0)
1494 #define MSG_PUTS_LONG_ATTR(s, a)    msg_puts_long_attr((char_u *)(s), (a))
1495
1496 /* Prefer using emsg3(), because perror() may send the output to the wrong
1497  * destination and mess up the screen. */
1498 #ifdef HAVE_STRERROR
1499 # define PERROR(msg)                (void)emsg3((char_u *)"%s: %s", (char_u *)msg, (char_u *)strerror(errno))
1500 #else
1501 # define PERROR(msg)                perror(msg)
1502 #endif
1503
1504 typedef long    linenr_T;               /* line number type */
1505 typedef int     colnr_T;                /* column number type */
1506 typedef unsigned short disptick_T;      /* display tick type */
1507
1508 #define MAXLNUM (0x7fffffffL)           /* maximum (invalid) line number */
1509
1510 /*
1511  * Well, you won't believe it, but some S/390 machines ("host", now also known
1512  * as zServer) us 31 bit pointers. There are also some newer machines, that
1513  * use 64 bit pointers. I don't know how to distinguish between 31 and 64 bit
1514  * machines, so the best way is to assume 31 bits whenever we detect OS/390
1515  * Unix.
1516  * With this we restrict the maximum line length to 1073741823. I guess this is
1517  * not a real problem. BTW:  Longer lines are split.
1518  */
1519 #if SIZEOF_INT >= 4
1520 # ifdef __MVS__
1521 #  define MAXCOL (0x3fffffffL)          /* maximum column number, 30 bits */
1522 # else
1523 #  define MAXCOL (0x7fffffffL)          /* maximum column number, 31 bits */
1524 # endif
1525 #else
1526 # define MAXCOL (0x7fff)                /* maximum column number, 15 bits */
1527 #endif
1528
1529 #define SHOWCMD_COLS 10                 /* columns needed by shown command */
1530 #define STL_MAX_ITEM 80                 /* max nr of %<flag> in statusline */
1531
1532 typedef void        *vim_acl_T;         /* dummy to pass an ACL to a function */
1533
1534 /*
1535  * Include a prototype for mch_memmove(), it may not be in alloc.pro.
1536  */
1537 #ifdef VIM_MEMMOVE
1538 void mch_memmove __ARGS((void *, void *, size_t));
1539 #else
1540 # ifndef mch_memmove
1541 #  define mch_memmove(to, from, len) memmove(to, from, len)
1542 # endif
1543 #endif
1544
1545 /*
1546  * fnamecmp() is used to compare file names.
1547  * On some systems case in a file name does not matter, on others it does.
1548  * (this does not account for maximum name lengths and things like "../dir",
1549  * thus it is not 100% accurate!)
1550  */
1551 #ifdef CASE_INSENSITIVE_FILENAME
1552 # ifdef BACKSLASH_IN_FILENAME
1553 #  define fnamecmp(x, y) vim_fnamecmp((x), (y))
1554 #  define fnamencmp(x, y, n) vim_fnamencmp((x), (y), (size_t)(n))
1555 # else
1556 #  define fnamecmp(x, y) MB_STRICMP((x), (y))
1557 #  define fnamencmp(x, y, n) MB_STRNICMP((x), (y), (n))
1558 # endif
1559 #else
1560 # define fnamecmp(x, y) strcmp((char *)(x), (char *)(y))
1561 # define fnamencmp(x, y, n) strncmp((char *)(x), (char *)(y), (size_t)(n))
1562 #endif
1563
1564 #ifdef HAVE_MEMSET
1565 # define vim_memset(ptr, c, size)   memset((ptr), (c), (size))
1566 #else
1567 void *vim_memset __ARGS((void *, int, size_t));
1568 #endif
1569
1570 #ifdef HAVE_MEMCMP
1571 # define vim_memcmp(p1, p2, len)   memcmp((p1), (p2), (len))
1572 #else
1573 # ifdef HAVE_BCMP
1574 #  define vim_memcmp(p1, p2, len)   bcmp((p1), (p2), (len))
1575 # else
1576 int vim_memcmp __ARGS((void *, void *, size_t));
1577 #  define VIM_MEMCMP
1578 # endif
1579 #endif
1580
1581 #if defined(UNIX) || defined(FEAT_GUI) || defined(OS2) || defined(VMS) \
1582         || defined(FEAT_CLIENTSERVER)
1583 # define USE_INPUT_BUF
1584 #endif
1585
1586 #ifdef MSWIN
1587 /* On MS-Windows the third argument isn't size_t.  This matters for Win64,
1588  * where sizeof(size_t)==8, not 4 */
1589 # define vim_read(fd, buf, count)   read((fd), (char *)(buf), (unsigned int)(count))
1590 # define vim_write(fd, buf, count)  write((fd), (char *)(buf), (unsigned int)(count))
1591 #else
1592 # define vim_read(fd, buf, count)   read((fd), (char *)(buf), (size_t) (count))
1593 # define vim_write(fd, buf, count)  write((fd), (char *)(buf), (size_t) (count))
1594 #endif
1595
1596 /*
1597  * Enums need a typecast to be used as array index (for Ultrix).
1598  */
1599 #define hl_attr(n)      highlight_attr[(int)(n)]
1600 #define term_str(n)     term_strings[(int)(n)]
1601
1602 /*
1603  * vim_iswhite() is used for "^" and the like. It differs from isspace()
1604  * because it doesn't include <CR> and <LF> and the like.
1605  */
1606 #define vim_iswhite(x)  ((x) == ' ' || (x) == '\t')
1607
1608 /*
1609  * EXTERN is only defined in main.c.  That's where global variables are
1610  * actually defined and initialized.
1611  */
1612 #ifndef EXTERN
1613 # define EXTERN extern
1614 # define INIT(x)
1615 #else
1616 # ifndef INIT
1617 #  define INIT(x) x
1618 #  define DO_INIT
1619 # endif
1620 #endif
1621
1622 #ifdef FEAT_MBYTE
1623 # define MAX_MCO        6       /* maximum value for 'maxcombine' */
1624
1625 /* Maximum number of bytes in a multi-byte character.  It can be one 32-bit
1626  * character of up to 6 bytes, or one 16-bit character of up to three bytes
1627  * plus six following composing characters of three bytes each. */
1628 # define MB_MAXBYTES    21
1629 #endif
1630
1631 #if (defined(FEAT_PROFILE) || defined(FEAT_RELTIME)) && !defined(PROTO)
1632 # ifdef WIN3264
1633 typedef LARGE_INTEGER proftime_T;
1634 # else
1635 typedef struct timeval proftime_T;
1636 # endif
1637 #else
1638 typedef int proftime_T;     /* dummy for function prototypes */
1639 #endif
1640
1641 /* Include option.h before structs.h, because the number of window-local and
1642  * buffer-local options is used there. */
1643 #include "option.h"         /* options and default values */
1644
1645 /* Note that gui.h is included by structs.h */
1646
1647 #include "structs.h"        /* file that defines many structures */
1648
1649 /* Values for "do_profiling". */
1650 #define PROF_NONE       0       /* profiling not started */
1651 #define PROF_YES        1       /* profiling busy */
1652 #define PROF_PAUSED     2       /* profiling paused */
1653
1654 #ifdef FEAT_MOUSE
1655
1656 /* Codes for mouse button events in lower three bits: */
1657 # define MOUSE_LEFT     0x00
1658 # define MOUSE_MIDDLE   0x01
1659 # define MOUSE_RIGHT    0x02
1660 # define MOUSE_RELEASE  0x03
1661
1662 /* bit masks for modifiers: */
1663 # define MOUSE_SHIFT    0x04
1664 # define MOUSE_ALT      0x08
1665 # define MOUSE_CTRL     0x10
1666
1667 /* mouse buttons that are handled like a key press (GUI only) */
1668 # define MOUSE_4        0x100   /* scroll wheel down */
1669 # define MOUSE_5        0x200   /* scroll wheel up */
1670
1671 # define MOUSE_X1       0x300 /* Mouse-button X1 (6th) */
1672 # define MOUSE_X2       0x400 /* Mouse-button X2 */
1673
1674 /* 0x20 is reserved by xterm */
1675 # define MOUSE_DRAG_XTERM   0x40
1676
1677 # define MOUSE_DRAG     (0x40 | MOUSE_RELEASE)
1678
1679 /* Lowest button code for using the mouse wheel (xterm only) */
1680 # define MOUSEWHEEL_LOW         0x60
1681
1682 # define MOUSE_CLICK_MASK       0x03
1683
1684 # define NUM_MOUSE_CLICKS(code) \
1685     (((unsigned)((code) & 0xC0) >> 6) + 1)
1686
1687 # define SET_NUM_MOUSE_CLICKS(code, num) \
1688     (code) = ((code) & 0x3f) | ((((num) - 1) & 3) << 6)
1689
1690 /* Added to mouse column for GUI when 'mousefocus' wants to give focus to a
1691  * window by simulating a click on its status line.  We could use up to 128 *
1692  * 128 = 16384 columns, now it's reduced to 10000. */
1693 # define MOUSE_COLOFF 10000
1694
1695 /*
1696  * jump_to_mouse() returns one of first four these values, possibly with
1697  * some of the other three added.
1698  */
1699 # define IN_UNKNOWN             0
1700 # define IN_BUFFER              1
1701 # define IN_STATUS_LINE         2       /* on status or command line */
1702 # define IN_SEP_LINE            4       /* on vertical separator line */
1703 # define IN_OTHER_WIN           8       /* in other window but can't go there */
1704 # define CURSOR_MOVED           0x100
1705 # define MOUSE_FOLD_CLOSE       0x200   /* clicked on '-' in fold column */
1706 # define MOUSE_FOLD_OPEN        0x400   /* clicked on '+' in fold column */
1707
1708 /* flags for jump_to_mouse() */
1709 # define MOUSE_FOCUS            0x01    /* need to stay in this window */
1710 # define MOUSE_MAY_VIS          0x02    /* may start Visual mode */
1711 # define MOUSE_DID_MOVE         0x04    /* only act when mouse has moved */
1712 # define MOUSE_SETPOS           0x08    /* only set current mouse position */
1713 # define MOUSE_MAY_STOP_VIS     0x10    /* may stop Visual mode */
1714 # define MOUSE_RELEASED         0x20    /* button was released */
1715
1716 # if defined(UNIX) && defined(HAVE_GETTIMEOFDAY) && defined(HAVE_SYS_TIME_H)
1717 #  define CHECK_DOUBLE_CLICK 1  /* Checking for double clicks ourselves. */
1718 # endif
1719
1720 #endif /* FEAT_MOUSE */
1721
1722 /* defines for eval_vars() */
1723 #define VALID_PATH              1
1724 #define VALID_HEAD              2
1725
1726 /* Defines for Vim variables.  These must match vimvars[] in eval.c! */
1727 #define VV_COUNT        0
1728 #define VV_COUNT1       1
1729 #define VV_PREVCOUNT    2
1730 #define VV_ERRMSG       3
1731 #define VV_WARNINGMSG   4
1732 #define VV_STATUSMSG    5
1733 #define VV_SHELL_ERROR  6
1734 #define VV_THIS_SESSION 7
1735 #define VV_VERSION      8
1736 #define VV_LNUM         9
1737 #define VV_TERMRESPONSE 10
1738 #define VV_FNAME        11
1739 #define VV_LANG         12
1740 #define VV_LC_TIME      13
1741 #define VV_CTYPE        14
1742 #define VV_CC_FROM      15
1743 #define VV_CC_TO        16
1744 #define VV_FNAME_IN     17
1745 #define VV_FNAME_OUT    18
1746 #define VV_FNAME_NEW    19
1747 #define VV_FNAME_DIFF   20
1748 #define VV_CMDARG       21
1749 #define VV_FOLDSTART    22
1750 #define VV_FOLDEND      23
1751 #define VV_FOLDDASHES   24
1752 #define VV_FOLDLEVEL    25
1753 #define VV_PROGNAME     26
1754 #define VV_SEND_SERVER  27
1755 #define VV_DYING        28
1756 #define VV_EXCEPTION    29
1757 #define VV_THROWPOINT   30
1758 #define VV_REG          31
1759 #define VV_CMDBANG      32
1760 #define VV_INSERTMODE   33
1761 #define VV_VAL          34
1762 #define VV_KEY          35
1763 #define VV_PROFILING    36
1764 #define VV_FCS_REASON   37
1765 #define VV_FCS_CHOICE   38
1766 #define VV_BEVAL_BUFNR  39
1767 #define VV_BEVAL_WINNR  40
1768 #define VV_BEVAL_LNUM   41
1769 #define VV_BEVAL_COL    42
1770 #define VV_BEVAL_TEXT   43
1771 #define VV_SCROLLSTART  44
1772 #define VV_SWAPNAME     45
1773 #define VV_SWAPCHOICE   46
1774 #define VV_SWAPCOMMAND  47
1775 #define VV_CHAR         48
1776 #define VV_MOUSE_WIN    49
1777 #define VV_MOUSE_LNUM   50
1778 #define VV_MOUSE_COL    51
1779 #define VV_OP           52
1780 #define VV_SEARCHFORWARD 53
1781 #define VV_OLDFILES     54
1782 #define VV_LEN          55      /* number of v: vars */
1783
1784 #ifdef FEAT_CLIPBOARD
1785
1786 /* VIM_ATOM_NAME is the older Vim-specific selection type for X11.  Still
1787  * supported for when a mix of Vim versions is used. VIMENC_ATOM_NAME includes
1788  * the encoding to support Vims using different 'encoding' values. */
1789 #define VIM_ATOM_NAME "_VIM_TEXT"
1790 #define VIMENC_ATOM_NAME "_VIMENC_TEXT"
1791
1792 /* Selection states for modeless selection */
1793 # define SELECT_CLEARED         0
1794 # define SELECT_IN_PROGRESS     1
1795 # define SELECT_DONE            2
1796
1797 # define SELECT_MODE_CHAR       0
1798 # define SELECT_MODE_WORD       1
1799 # define SELECT_MODE_LINE       2
1800
1801 # ifdef FEAT_GUI_W32
1802 #  ifdef FEAT_OLE
1803 #   define WM_OLE (WM_APP+0)
1804 #  endif
1805 #  ifdef FEAT_NETBEANS_INTG
1806     /* message for Netbeans socket event */
1807 #   define WM_NETBEANS (WM_APP+1)
1808 #  endif
1809 # endif
1810
1811 /* Info about selected text */
1812 typedef struct VimClipboard
1813 {
1814     int         available;      /* Is clipboard available? */
1815     int         owned;          /* Flag: do we own the selection? */
1816     pos_T       start;          /* Start of selected area */
1817     pos_T       end;            /* End of selected area */
1818     int         vmode;          /* Visual mode character */
1819
1820     /* Fields for selection that doesn't use Visual mode */
1821     short_u     origin_row;
1822     short_u     origin_start_col;
1823     short_u     origin_end_col;
1824     short_u     word_start_col;
1825     short_u     word_end_col;
1826
1827     pos_T       prev;           /* Previous position */
1828     short_u     state;          /* Current selection state */
1829     short_u     mode;           /* Select by char, word, or line. */
1830
1831 # if defined(FEAT_GUI_X11) || defined(FEAT_XCLIPBOARD)
1832     Atom        sel_atom;       /* PRIMARY/CLIPBOARD selection ID */
1833 # endif
1834
1835 # ifdef FEAT_GUI_GTK
1836     GdkAtom     gtk_sel_atom;   /* PRIMARY/CLIPBOARD selection ID */
1837 # endif
1838
1839 # ifdef MSWIN
1840     int_u       format;         /* Vim's own special clipboard format */
1841     int_u       format_raw;     /* Vim's raw text clipboard format */
1842 # endif
1843 } VimClipboard;
1844 #else
1845 typedef int VimClipboard;       /* This is required for the prototypes. */
1846 #endif
1847
1848 #ifdef __BORLANDC__
1849 /* work around a bug in the Borland 'stat' function: */
1850 # include <io.h>            /* for access() */
1851
1852 # define stat(a,b) (access(a,0) ? -1 : stat(a,b))
1853 #endif
1854
1855 #include "ex_cmds.h"        /* Ex command defines */
1856 #include "proto.h"          /* function prototypes */
1857
1858 /* This has to go after the include of proto.h, as proto/gui.pro declares
1859  * functions of these names. The declarations would break if the defines had
1860  * been seen at that stage.  But it must be before globals.h, where error_ga
1861  * is declared. */
1862 #if !defined(FEAT_GUI_W32) && !defined(FEAT_GUI_X11) \
1863         && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MAC)
1864 # define mch_errmsg(str)        fprintf(stderr, "%s", (str))
1865 # define display_errors()       fflush(stderr)
1866 # define mch_msg(str)           printf("%s", (str))
1867 #else
1868 # define USE_MCH_ERRMSG
1869 #endif
1870
1871 #ifndef FEAT_MBYTE
1872 # define after_pathsep(b, p)    vim_ispathsep(*((p) - 1))
1873 # define transchar_byte(c)      transchar(c)
1874 #endif
1875
1876 #ifndef FEAT_LINEBREAK
1877 /* Without the 'numberwidth' option line numbers are always 7 chars. */
1878 # define number_width(x) 7
1879 #endif
1880
1881
1882 #include "globals.h"        /* global variables and messages */
1883
1884 #ifdef FEAT_SNIFF
1885 # include "if_sniff.h"
1886 #endif
1887
1888 #ifndef FEAT_VIRTUALEDIT
1889 # define getvvcol(w, p, s, c, e) getvcol(w, p, s, c, e)
1890 # define virtual_active() 0
1891 # define virtual_op FALSE
1892 #endif
1893
1894 /*
1895  * If console dialog not supported, but GUI dialog is, use the GUI one.
1896  */
1897 #if defined(FEAT_GUI_DIALOG) && !defined(FEAT_CON_DIALOG)
1898 # define do_dialog gui_mch_dialog
1899 #endif
1900
1901 /*
1902  * Default filters for gui_mch_browse().
1903  * The filters are almost system independent.  Except for the difference
1904  * between "*" and "*.*" for MSDOS-like systems.
1905  * NOTE: Motif only uses the very first pattern.  Therefore
1906  * BROWSE_FILTER_DEFAULT should start with a "*" pattern.
1907  */
1908 #ifdef FEAT_BROWSE
1909 # ifdef BACKSLASH_IN_FILENAME
1910 #  define BROWSE_FILTER_MACROS \
1911         (char_u *)"Vim macro files (*.vim)\t*.vim\nAll Files (*.*)\t*.*\n"
1912 #  define BROWSE_FILTER_ALL_FILES (char_u *)"All Files (*.*)\t*.*\n"
1913 #  define BROWSE_FILTER_DEFAULT \
1914         (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"
1915 # else
1916 #  define BROWSE_FILTER_MACROS \
1917         (char_u *)"Vim macro files (*.vim)\t*.vim\nAll Files (*)\t*\n"
1918 #  define BROWSE_FILTER_ALL_FILES (char_u *)"All Files (*)\t*\n"
1919 #  define BROWSE_FILTER_DEFAULT \
1920         (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"
1921 # endif
1922 # define BROWSE_SAVE 1      /* flag for do_browse() */
1923 # define BROWSE_DIR 2       /* flag for do_browse() */
1924 #endif
1925
1926 /* stop using fastcall for Borland */
1927 #if defined(__BORLANDC__) && defined(WIN32) && !defined(DEBUG)
1928  #pragma option -p.
1929 #endif
1930
1931 #if defined(MEM_PROFILE)
1932 # define vim_realloc(ptr, size)  mem_realloc((ptr), (size))
1933 #else
1934 # define vim_realloc(ptr, size)  realloc((ptr), (size))
1935 #endif
1936
1937 /*
1938  * The following macros stop display/event loop nesting at the wrong time.
1939  */
1940 #ifdef ALT_X_INPUT
1941 # define ALT_INPUT_LOCK_OFF     suppress_alternate_input = FALSE
1942 # define ALT_INPUT_LOCK_ON      suppress_alternate_input = TRUE
1943 #endif
1944
1945 #ifdef FEAT_MBYTE
1946 /*
1947  * Return byte length of character that starts with byte "b".
1948  * Returns 1 for a single-byte character.
1949  * MB_BYTE2LEN_CHECK() can be used to count a special key as one byte.
1950  * Don't call MB_BYTE2LEN(b) with b < 0 or b > 255!
1951  */
1952 # define MB_BYTE2LEN(b)         mb_bytelen_tab[b]
1953 # define MB_BYTE2LEN_CHECK(b)   (((b) < 0 || (b) > 255) ? 1 : mb_bytelen_tab[b])
1954 #endif
1955
1956 #if defined(FEAT_MBYTE) || defined(FEAT_POSTSCRIPT)
1957 /* properties used in enc_canon_table[] (first three mutually exclusive) */
1958 # define ENC_8BIT       0x01
1959 # define ENC_DBCS       0x02
1960 # define ENC_UNICODE    0x04
1961
1962 # define ENC_ENDIAN_B   0x10        /* Unicode: Big endian */
1963 # define ENC_ENDIAN_L   0x20        /* Unicode: Little endian */
1964
1965 # define ENC_2BYTE      0x40        /* Unicode: UCS-2 */
1966 # define ENC_4BYTE      0x80        /* Unicode: UCS-4 */
1967 # define ENC_2WORD      0x100       /* Unicode: UTF-16 */
1968
1969 # define ENC_LATIN1     0x200       /* Latin1 */
1970 # define ENC_LATIN9     0x400       /* Latin9 */
1971 # define ENC_MACROMAN   0x800       /* Mac Roman (not Macro Man! :-) */
1972 #endif
1973
1974 #ifdef FEAT_MBYTE
1975 # ifdef USE_ICONV
1976 #  ifndef EILSEQ
1977 #   define EILSEQ 123
1978 #  endif
1979 #  ifdef DYNAMIC_ICONV
1980 /* On Win32 iconv.dll is dynamically loaded. */
1981 #   define ICONV_ERRNO (*iconv_errno())
1982 #   define ICONV_E2BIG  7
1983 #   define ICONV_EINVAL 22
1984 #   define ICONV_EILSEQ 42
1985 #  else
1986 #   define ICONV_ERRNO errno
1987 #   define ICONV_E2BIG  E2BIG
1988 #   define ICONV_EINVAL EINVAL
1989 #   define ICONV_EILSEQ EILSEQ
1990 #  endif
1991 # endif
1992
1993 #endif
1994
1995 /* ISSYMLINK(mode) tests if a file is a symbolic link. */
1996 #if (defined(S_IFMT) && defined(S_IFLNK)) || defined(S_ISLNK)
1997 # define HAVE_ISSYMLINK
1998 # if defined(S_IFMT) && defined(S_IFLNK)
1999 #  define ISSYMLINK(mode) (((mode) & S_IFMT) == S_IFLNK)
2000 # else
2001 #  define ISSYMLINK(mode) S_ISLNK(mode)
2002 # endif
2003 #endif
2004
2005 #define SIGN_BYTE 1         /* byte value used where sign is displayed;
2006                                attribute value is sign type */
2007
2008 #ifdef FEAT_NETBEANS_INTG
2009 # define MULTISIGN_BYTE 2   /* byte value used where sign is displayed if
2010                                multiple signs exist on the line */
2011 #endif
2012
2013 #if defined(FEAT_GUI) && defined(FEAT_XCLIPBOARD)
2014 # ifdef FEAT_GUI_GTK
2015    /* Avoid using a global variable for the X display.  It's ugly
2016     * and is likely to cause trouble in multihead environments. */
2017 #  define X_DISPLAY     ((gui.in_use) ? gui_mch_get_display() : xterm_dpy)
2018 # else
2019 #  define X_DISPLAY     (gui.in_use ? gui.dpy : xterm_dpy)
2020 # endif
2021 #else
2022 # ifdef FEAT_GUI
2023 #  ifdef FEAT_GUI_GTK
2024 #   define X_DISPLAY    ((gui.in_use) ? gui_mch_get_display() : (Display *)NULL)
2025 #  else
2026 #   define X_DISPLAY    gui.dpy
2027 #  endif
2028 # else
2029 #  define X_DISPLAY     xterm_dpy
2030 # endif
2031 #endif
2032
2033 #ifndef FEAT_NETBEANS_INTG
2034 # undef NBDEBUG
2035 #endif
2036 #ifdef NBDEBUG /* Netbeans debugging. */
2037 # include "nbdebug.h"
2038 #else
2039 # define nbdebug(a)
2040 #endif
2041
2042 #ifdef IN_PERL_FILE
2043   /*
2044    * Avoid clashes between Perl and Vim namespace.
2045    */
2046 # undef NORMAL
2047 # undef STRLEN
2048 # undef FF
2049 # undef OP_DELETE
2050 # undef OP_JOIN
2051 # ifdef __BORLANDC__
2052 #  define NOPROTO 1
2053 # endif
2054   /* remove MAX and MIN, included by glib.h, redefined by sys/param.h */
2055 # ifdef MAX
2056 #  undef MAX
2057 # endif
2058 # ifdef MIN
2059 #  undef MIN
2060 # endif
2061   /* We use _() for gettext(), Perl uses it for function prototypes... */
2062 # ifdef _
2063 #  undef _
2064 # endif
2065 # ifdef DEBUG
2066 #  undef DEBUG
2067 # endif
2068 # ifdef _DEBUG
2069 #  undef _DEBUG
2070 # endif
2071 # ifdef instr
2072 #  undef instr
2073 # endif
2074   /* bool may cause trouble on MACOS but is required on a few other systems
2075    * and for Perl */
2076 # if defined(bool) && defined(MACOS) && !defined(FEAT_PERL)
2077 #  undef bool
2078 # endif
2079
2080 # ifdef __BORLANDC__
2081   /* Borland has the structure stati64 but not _stati64 */
2082 #  define _stati64 stati64
2083 # endif
2084
2085 # include <EXTERN.h>
2086 # include <perl.h>
2087 # include <XSUB.h>
2088 #endif
2089
2090 /* values for vim_handle_signal() that are not a signal */
2091 #define SIGNAL_BLOCK    -1
2092 #define SIGNAL_UNBLOCK  -2
2093 #if !defined(UNIX) && !defined(VMS) && !defined(OS2)
2094 # define vim_handle_signal(x) 0
2095 #endif
2096
2097 /* flags for skip_vimgrep_pat() */
2098 #define VGR_GLOBAL      1
2099 #define VGR_NOJUMP      2
2100
2101 /* behavior for bad character, "++bad=" argument */
2102 #define BAD_REPLACE     '?'     /* replace it with '?' (default) */
2103 #define BAD_KEEP        -1      /* leave it */
2104 #define BAD_DROP        -2      /* erase it */
2105
2106 /* last argument for do_source() */
2107 #define DOSO_NONE       0
2108 #define DOSO_VIMRC      1       /* loading vimrc file */
2109 #define DOSO_GVIMRC     2       /* loading gvimrc file */
2110
2111 /* flags for read_viminfo() and children */
2112 #define VIF_WANT_INFO           1       /* load non-mark info */
2113 #define VIF_WANT_MARKS          2       /* load file marks */
2114 #define VIF_FORCEIT             4       /* overwrite info already read */
2115 #define VIF_GET_OLDFILES        8       /* load v:oldfiles */
2116
2117 #endif /* VIM__H */