src/globals.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 /*
  10  * definition of global variables
  11  */
  12
  13 /*
  14  * Number of Rows and Columns in the screen.
  15  * Must be long to be able to use them as options in option.c.
  16  * Note: Use screen_Rows and screen_Columns to access items in ScreenLines[].
  17  * They may have different values when the screen wasn't (re)allocated yet
  18  * after setting Rows or Columns (e.g., when starting up).
  19  */
  20 EXTERN long     Rows                    /* nr of rows in the screen */
  21 #ifdef DO_INIT
  22 # if defined(MSDOS) || defined(WIN3264) || defined(OS2)
  23                             = 25L
  24 # else
  25                             = 24L
  26 # endif
  27 #endif
  28                             ;
  29 EXTERN long     Columns INIT(= 80);     /* nr of columns in the screen */
  30
  31 /*
  32  * The characters that are currently on the screen are kept in ScreenLines[].
  33  * It is a single block of characters, the size of the screen plus one line.
  34  * The attributes for those characters are kept in ScreenAttrs[].
  35  *
  36  * "LineOffset[n]" is the offset from ScreenLines[] for the start of line 'n'.
  37  * The same value is used for ScreenLinesUC[] and ScreenAttrs[].
  38  *
  39  * Note: before the screen is initialized and when out of memory these can be
  40  * NULL.
  41  */
  42 EXTERN schar_T  *ScreenLines INIT(= NULL);
  43 EXTERN sattr_T  *ScreenAttrs INIT(= NULL);
  44 EXTERN unsigned *LineOffset INIT(= NULL);
  45 EXTERN char_u   *LineWraps INIT(= NULL);        /* line wraps to next line */
  46
  47 #ifdef FEAT_MBYTE
  48 /*
  49  * When using Unicode characters (in UTF-8 encoding) the character in
  50  * ScreenLinesUC[] contains the Unicode for the character at this position, or
  51  * NUL when the character in ScreenLines[] is to be used (ASCII char).
  52  * The composing characters are to be drawn on top of the original character.
  53  * Note: These three are only allocated when enc_utf8 is set!
  54  */
  55 EXTERN u8char_T *ScreenLinesUC INIT(= NULL);    /* decoded UTF-8 characters */
  56 EXTERN u8char_T *ScreenLinesC[MAX_MCO];         /* composing characters */
  57 EXTERN int      Screen_mco INIT(= 0);           /* value of p_mco used when
  58                                                    allocating ScreenLinesC[] */
  59
  60 /* Only used for euc-jp: Second byte of a character that starts with 0x8e.
  61  * These are single-width. */
  62 EXTERN schar_T  *ScreenLines2 INIT(= NULL);
  63 #endif
  64
  65 #ifdef FEAT_WINDOWS
  66 /*
  67  * Indexes for tab page line:
  68  *      N > 0 for label of tab page N
  69  *      N == 0 for no label
  70  *      N < 0 for closing tab page -N
  71  *      N == -999 for closing current tab page
  72  */
  73 EXTERN short    *TabPageIdxs INIT(= NULL);
  74 #endif
  75
  76 EXTERN int      screen_Rows INIT(= 0);      /* actual size of ScreenLines[] */
  77 EXTERN int      screen_Columns INIT(= 0);   /* actual size of ScreenLines[] */
  78
  79 /*
  80  * When vgetc() is called, it sets mod_mask to the set of modifiers that are
  81  * held down based on the MOD_MASK_* symbols that are read first.
  82  */
  83 EXTERN int      mod_mask INIT(= 0x0);           /* current key modifiers */
  84
  85 /*
  86  * Cmdline_row is the row where the command line starts, just below the
  87  * last window.
  88  * When the cmdline gets longer than the available space the screen gets
  89  * scrolled up. After a CTRL-D (show matches), after hitting ':' after
  90  * "hit return", and for the :global command, the command line is
  91  * temporarily moved.  The old position is restored with the next call to
  92  * update_screen().
  93  */
  94 EXTERN int      cmdline_row;
  95
  96 EXTERN int      redraw_cmdline INIT(= FALSE);   /* cmdline must be redrawn */
  97 EXTERN int      clear_cmdline INIT(= FALSE);    /* cmdline must be cleared */
  98 EXTERN int      mode_displayed INIT(= FALSE);   /* mode is being displayed */
  99 #if defined(FEAT_CRYPT) || defined(FEAT_EVAL)
 100 EXTERN int      cmdline_star INIT(= FALSE);     /* cmdline is crypted */
 101 #endif
 102
 103 EXTERN int      exec_from_reg INIT(= FALSE);    /* executing register */
 104
 105 EXTERN int      screen_cleared INIT(= FALSE);   /* screen has been cleared */
 106
 107 /*
 108  * When '$' is included in 'cpoptions' option set:
 109  * When a change command is given that deletes only part of a line, a dollar
 110  * is put at the end of the changed text. dollar_vcol is set to the virtual
 111  * column of this '$'.
 112  */
 113 EXTERN colnr_T  dollar_vcol INIT(= 0);
 114
 115 #ifdef FEAT_INS_EXPAND
 116 /*
 117  * Variables for Insert mode completion.
 118  */
 119
 120 /* Length in bytes of the text being completed (this is deleted to be replaced
 121  * by the match.) */
 122 EXTERN int      compl_length INIT(= 0);
 123
 124 /* Set when character typed while looking for matches and it means we should
 125  * stop looking for matches. */
 126 EXTERN int      compl_interrupted INIT(= FALSE);
 127
 128 /* List of flags for method of completion. */
 129 EXTERN int      compl_cont_status INIT(= 0);
 130 # define CONT_ADDING    1       /* "normal" or "adding" expansion */
 131 # define CONT_INTRPT    (2 + 4) /* a ^X interrupted the current expansion */
 132                                 /* it's set only iff N_ADDS is set */
 133 # define CONT_N_ADDS    4       /* next ^X<> will add-new or expand-current */
 134 # define CONT_S_IPOS    8       /* next ^X<> will set initial_pos?
 135                                  * if so, word-wise-expansion will set SOL */
 136 # define CONT_SOL       16      /* pattern includes start of line, just for
 137                                  * word-wise expansion, not set for ^X^L */
 138 # define CONT_LOCAL     32      /* for ctrl_x_mode 0, ^X^P/^X^N do a local
 139                                  * expansion, (eg use complete=.) */
 140 #endif
 141
 142 /*
 143  * Functions for putting characters in the command line,
 144  * while keeping ScreenLines[] updated.
 145  */
 146 #ifdef FEAT_RIGHTLEFT
 147 EXTERN int      cmdmsg_rl INIT(= FALSE);    /* cmdline is drawn right to left */
 148 #endif
 149 EXTERN int      msg_col;
 150 EXTERN int      msg_row;
 151 EXTERN int      msg_scrolled;   /* Number of screen lines that windows have
 152                                  * scrolled because of printing messages. */
 153 EXTERN int      msg_scrolled_ign INIT(= FALSE);
 154                                 /* when TRUE don't set need_wait_return in
 155                                    msg_puts_attr() when msg_scrolled is
 156                                    non-zero */
 157
 158 EXTERN char_u   *keep_msg INIT(= NULL);     /* msg to be shown after redraw */
 159 EXTERN int      keep_msg_attr INIT(= 0);    /* highlight attr for keep_msg */
 160 EXTERN int      keep_msg_more INIT(= FALSE); /* keep_msg was set by msgmore() */
 161 EXTERN int      need_fileinfo INIT(= FALSE);/* do fileinfo() after redraw */
 162 EXTERN int      msg_scroll INIT(= FALSE);   /* msg_start() will scroll */
 163 EXTERN int      msg_didout INIT(= FALSE);   /* msg_outstr() was used in line */
 164 EXTERN int      msg_didany INIT(= FALSE);   /* msg_outstr() was used at all */
 165 EXTERN int      msg_nowait INIT(= FALSE);   /* don't wait for this msg */
 166 EXTERN int      emsg_off INIT(= 0);         /* don't display errors for now,
 167                                                unless 'debug' is set. */
 168 EXTERN int      info_message INIT(= FALSE); /* printing informative message */
 169 EXTERN int      msg_hist_off INIT(= FALSE); /* don't add messages to history */
 170 #ifdef FEAT_EVAL
 171 EXTERN int      emsg_skip INIT(= 0);        /* don't display errors for
 172                                                expression that is skipped */
 173 EXTERN int      emsg_severe INIT(= FALSE);   /* use message of next of several
 174                                                emsg() calls for throw */
 175 EXTERN int      did_endif INIT(= FALSE);    /* just had ":endif" */
 176 #endif
 177 EXTERN int      did_emsg;                   /* set by emsg() when the message
 178                                                is displayed or thrown */
 179 EXTERN int      called_emsg;                /* always set by emsg() */
 180 EXTERN int      ex_exitval INIT(= 0);       /* exit value for ex mode */
 181 EXTERN int      emsg_on_display INIT(= FALSE);  /* there is an error message */
 182 EXTERN int      rc_did_emsg INIT(= FALSE);  /* vim_regcomp() called emsg() */
 183
 184 EXTERN int      no_wait_return INIT(= 0);   /* don't wait for return for now */
 185 EXTERN int      need_wait_return INIT(= 0); /* need to wait for return later */
 186 EXTERN int      did_wait_return INIT(= FALSE);  /* wait_return() was used and
 187                                                    nothing written since then */
 188 #ifdef FEAT_TITLE
 189 EXTERN int      need_maketitle INIT(= TRUE); /* call maketitle() soon */
 190 #endif
 191
 192 EXTERN int      quit_more INIT(= FALSE);    /* 'q' hit at "--more--" msg */
 193 #if defined(UNIX) || defined(__EMX__) || defined(VMS) || defined(MACOS_X)
 194 EXTERN int      newline_on_exit INIT(= FALSE);  /* did msg in altern. screen */
 195 EXTERN int      intr_char INIT(= 0);        /* extra interrupt character */
 196 #endif
 197 #if (defined(UNIX) || defined(VMS)) && defined(FEAT_X11)
 198 EXTERN int      x_no_connect INIT(= FALSE); /* don't connect to X server */
 199 # if defined(FEAT_CLIENTSERVER)
 200 EXTERN int      x_force_connect INIT(= FALSE); /* Do connect to X server.
 201                                                   Overrules x_no_connect and
 202                                                   "exclude" in 'clipboard'. */
 203 # endif
 204 #endif
 205 EXTERN int      ex_keep_indent INIT(= FALSE); /* getexmodeline(): keep indent */
 206 EXTERN int      vgetc_busy INIT(= 0);       /* when inside vgetc() then > 0 */
 207
 208 EXTERN int      didset_vim INIT(= FALSE);   /* did set $VIM ourselves */
 209 EXTERN int      didset_vimruntime INIT(= FALSE);   /* idem for $VIMRUNTIME */
 210
 211 /*
 212  * Lines left before a "more" message.  Ex mode needs to be able to reset this
 213  * after you type something.
 214  */
 215 EXTERN int      lines_left INIT(= -1);      /* lines left for listing */
 216 EXTERN int      msg_no_more INIT(= FALSE);  /* don't use more prompt, truncate
 217                                                messages */
 218
 219 EXTERN char_u   *sourcing_name INIT( = NULL);/* name of error message source */
 220 EXTERN linenr_T sourcing_lnum INIT(= 0);    /* line number of the source file */
 221
 222 #ifdef FEAT_EVAL
 223 EXTERN int      ex_nesting_level INIT(= 0);     /* nesting level */
 224 EXTERN int      debug_break_level INIT(= -1);   /* break below this level */
 225 EXTERN int      debug_did_msg INIT(= FALSE);    /* did "debug mode" message */
 226 EXTERN int      debug_tick INIT(= 0);           /* breakpoint change count */
 227 # ifdef FEAT_PROFILE
 228 EXTERN int      do_profiling INIT(= PROF_NONE); /* PROF_ values */
 229 # endif
 230
 231 /*
 232  * The exception currently being thrown.  Used to pass an exception to
 233  * a different cstack.  Also used for discarding an exception before it is
 234  * caught or made pending.  Only valid when did_throw is TRUE.
 235  */
 236 EXTERN except_T *current_exception;
 237
 238 /*
 239  * did_throw: An exception is being thrown.  Reset when the exception is caught
 240  * or as long as it is pending in a finally clause.
 241  */
 242 EXTERN int did_throw INIT(= FALSE);
 243
 244 /*
 245  * need_rethrow: set to TRUE when a throw that cannot be handled in do_cmdline()
 246  * must be propagated to the cstack of the previously called do_cmdline().
 247  */
 248 EXTERN int need_rethrow INIT(= FALSE);
 249
 250 /*
 251  * check_cstack: set to TRUE when a ":finish" or ":return" that cannot be
 252  * handled in do_cmdline() must be propagated to the cstack of the previously
 253  * called do_cmdline().
 254  */
 255 EXTERN int check_cstack INIT(= FALSE);
 256
 257 /*
 258  * Number of nested try conditionals (across function calls and ":source"
 259  * commands).
 260  */
 261 EXTERN int trylevel INIT(= 0);
 262
 263 /*
 264  * When "force_abort" is TRUE, always skip commands after an error message,
 265  * even after the outermost ":endif", ":endwhile" or ":endfor" or for a
 266  * function without the "abort" flag.  It is set to TRUE when "trylevel" is
 267  * non-zero (and ":silent!" was not used) or an exception is being thrown at
 268  * the time an error is detected.  It is set to FALSE when "trylevel" gets
 269  * zero again and there was no error or interrupt or throw.
 270  */
 271 EXTERN int force_abort INIT(= FALSE);
 272
 273 /*
 274  * "msg_list" points to a variable in the stack of do_cmdline() which keeps
 275  * the list of arguments of several emsg() calls, one of which is to be
 276  * converted to an error exception immediately after the failing command
 277  * returns.  The message to be used for the exception value is pointed to by
 278  * the "throw_msg" field of the first element in the list.  It is usually the
 279  * same as the "msg" field of that element, but can be identical to the "msg"
 280  * field of a later list element, when the "emsg_severe" flag was set when the
 281  * emsg() call was made.
 282  */
 283 EXTERN struct msglist **msg_list INIT(= NULL);
 284
 285 /*
 286  * suppress_errthrow: When TRUE, don't convert an error to an exception.  Used
 287  * when displaying the interrupt message or reporting an exception that is still
 288  * uncaught at the top level (which has already been discarded then).  Also used
 289  * for the error message when no exception can be thrown.
 290  */
 291 EXTERN int suppress_errthrow INIT(= FALSE);
 292
 293 /*
 294  * The stack of all caught and not finished exceptions.  The exception on the
 295  * top of the stack is the one got by evaluation of v:exception.  The complete
 296  * stack of all caught and pending exceptions is embedded in the various
 297  * cstacks; the pending exceptions, however, are not on the caught stack.
 298  */
 299 EXTERN except_T *caught_stack INIT(= NULL);
 300
 301 #endif
 302
 303 #ifdef FEAT_EVAL
 304 /*
 305  * Garbage collection can only take place when we are sure there are no Lists
 306  * or Dictionaries being used internally.  This is flagged with
 307  * "may_garbage_collect" when we are at the toplevel.
 308  * "want_garbage_collect" is set by the garbagecollect() function, which means
 309  * we do garbage collection before waiting for a char at the toplevel.
 310  * "garbage_collect_at_exit" indicates garbagecollect(1) was called.
 311  */
 312 EXTERN int      may_garbage_collect INIT(= FALSE);
 313 EXTERN int      want_garbage_collect INIT(= FALSE);
 314 EXTERN int      garbage_collect_at_exit INIT(= FALSE);
 315
 316 /* ID of script being sourced or was sourced to define the current function. */
 317 EXTERN scid_T   current_SID INIT(= 0);
 318 #endif
 319
 320 #if defined(FEAT_EVAL) || defined(FEAT_SYN_HL)
 321 /* Magic number used for hashitem "hi_key" value indicating a deleted item.
 322  * Only the address is used. */
 323 EXTERN char_u   hash_removed;
 324 #endif
 325
 326
 327 EXTERN int      scroll_region INIT(= FALSE); /* term supports scroll region */
 328 EXTERN int      t_colors INIT(= 0);         /* int value of T_CCO */
 329
 330 /*
 331  * When highlight_match is TRUE, highlight a match, starting at the cursor
 332  * position.  Search_match_lines is the number of lines after the match (0 for
 333  * a match within one line), search_match_endcol the column number of the
 334  * character just after the match in the last line.
 335  */
 336 EXTERN int      highlight_match INIT(= FALSE);  /* show search match pos */
 337 EXTERN linenr_T search_match_lines;             /* lines of of matched string */
 338 EXTERN colnr_T  search_match_endcol;            /* col nr of match end */
 339
 340 EXTERN int      no_smartcase INIT(= FALSE);     /* don't use 'smartcase' once */
 341
 342 EXTERN int      need_check_timestamps INIT(= FALSE); /* need to check file
 343                                                         timestamps asap */
 344 EXTERN int      did_check_timestamps INIT(= FALSE); /* did check timestamps
 345                                                        recently */
 346 EXTERN int      no_check_timestamps INIT(= 0);  /* Don't check timestamps */
 347
 348 EXTERN int      highlight_attr[HLF_COUNT];  /* Highl. attr for each context. */
 349 #ifdef FEAT_STL_OPT
 350 # define USER_HIGHLIGHT
 351 #endif
 352 #ifdef USER_HIGHLIGHT
 353 EXTERN int      highlight_user[9];              /* User[1-9] attributes */
 354 # ifdef FEAT_STL_OPT
 355 EXTERN int      highlight_stlnc[9];             /* On top of user */
 356 # endif
 357 #endif
 358 #ifdef FEAT_GUI
 359 EXTERN char_u   *use_gvimrc INIT(= NULL);       /* "-U" cmdline argument */
 360 #endif
 361 EXTERN int      cterm_normal_fg_color INIT(= 0);
 362 EXTERN int      cterm_normal_fg_bold INIT(= 0);
 363 EXTERN int      cterm_normal_bg_color INIT(= 0);
 364
 365 #ifdef FEAT_AUTOCMD
 366 EXTERN int      autocmd_busy INIT(= FALSE);     /* Is apply_autocmds() busy? */
 367 EXTERN int      autocmd_no_enter INIT(= FALSE); /* *Enter autocmds disabled */
 368 EXTERN int      autocmd_no_leave INIT(= FALSE); /* *Leave autocmds disabled */
 369 EXTERN int      modified_was_set;               /* did ":set modified" */
 370 EXTERN int      did_filetype INIT(= FALSE);     /* FileType event found */
 371 EXTERN int      keep_filetype INIT(= FALSE);    /* value for did_filetype when
 372                                                    starting to execute
 373                                                    autocommands */
 374
 375 /* When deleting the current buffer, another one must be loaded.  If we know
 376  * which one is preferred, au_new_curbuf is set to it */
 377 EXTERN buf_T    *au_new_curbuf INIT(= NULL);
 378 #endif
 379
 380 #ifdef FEAT_MOUSE
 381 /*
 382  * Mouse coordinates, set by check_termcode()
 383  */
 384 EXTERN int      mouse_row;
 385 EXTERN int      mouse_col;
 386 EXTERN int      mouse_past_bottom INIT(= FALSE);/* mouse below last line */
 387 EXTERN int      mouse_past_eol INIT(= FALSE);   /* mouse right of line */
 388 EXTERN int      mouse_dragging INIT(= 0);       /* extending Visual area with
 389                                                    mouse dragging */
 390 # if defined(FEAT_MOUSE_DEC)
 391 /*
 392  * When the DEC mouse has been pressed but not yet released we enable
 393  * automatic querys for the mouse position.
 394  */
 395 EXTERN int      WantQueryMouse INIT(= FALSE);
 396 # endif
 397
 398 # ifdef FEAT_GUI
 399 /* When the window layout is about to be changed, need_mouse_correct is set,
 400  * so that gui_mouse_correct() is called afterwards, to correct the mouse
 401  * pointer when focus-follow-mouse is being used. */
 402 EXTERN int      need_mouse_correct INIT(= FALSE);
 403
 404 /* When double clicking, topline must be the same */
 405 EXTERN linenr_T gui_prev_topline INIT(= 0);
 406 #  ifdef FEAT_DIFF
 407 EXTERN int      gui_prev_topfill INIT(= 0);
 408 #  endif
 409 # endif
 410
 411 # ifdef FEAT_MOUSESHAPE
 412 EXTERN int      drag_status_line INIT(= FALSE); /* dragging the status line */
 413 EXTERN int      postponed_mouseshape INIT(= FALSE); /* postponed updating the
 414                                                        mouse pointer shape */
 415 #  ifdef FEAT_VERTSPLIT
 416 EXTERN int      drag_sep_line INIT(= FALSE);    /* dragging vert separator */
 417 #  endif
 418 # endif
 419
 420 #endif
 421
 422 #ifdef FEAT_DIFF
 423 /* Value set from 'diffopt'. */
 424 EXTERN int      diff_context INIT(= 6);         /* context for folds */
 425 EXTERN int      diff_foldcolumn INIT(= 2);      /* 'foldcolumn' for diff mode */
 426 EXTERN int      diff_need_scrollbind INIT(= FALSE);
 427 #endif
 428
 429 #ifdef FEAT_MENU
 430 /* The root of the menu hierarchy. */
 431 EXTERN vimmenu_T        *root_menu INIT(= NULL);
 432 /*
 433  * While defining the system menu, sys_menu is TRUE.  This avoids
 434  * overruling of menus that the user already defined.
 435  */
 436 EXTERN int      sys_menu INIT(= FALSE);
 437 #endif
 438
 439 /* While redrawing the screen this flag is set.  It means the screen size
 440  * ('lines' and 'rows') must not be changed. */
 441 EXTERN int      updating_screen INIT(= FALSE);
 442
 443 #ifdef FEAT_GUI
 444 # ifdef FEAT_MENU
 445 /* Menu item just selected, set by check_termcode() */
 446 EXTERN vimmenu_T        *current_menu;
 447
 448 /* Set to TRUE after adding/removing menus to ensure they are updated */
 449 EXTERN int force_menu_update INIT(= FALSE);
 450 # endif
 451 # ifdef FEAT_GUI_TABLINE
 452 /* Tab in tab pages line just selected, set by check_termcode() */
 453 EXTERN int          current_tab;
 454
 455 /* Menu entry in tab pages line menu just selected, set by check_termcode() */
 456 EXTERN int          current_tabmenu;
 457 #  define TABLINE_MENU_CLOSE    1
 458 #  define TABLINE_MENU_NEW      2
 459 #  define TABLINE_MENU_OPEN     3
 460 # endif
 461
 462 /* Scrollbar moved and new value, set by check_termcode() */
 463 EXTERN int      current_scrollbar;
 464 EXTERN long_u   scrollbar_value;
 465
 466 /* found "-rv" or "-reverse" in command line args */
 467 EXTERN int      found_reverse_arg INIT(= FALSE);
 468
 469 /* "-fn" or "-font" command line argument */
 470 EXTERN char     *font_argument INIT(= NULL);
 471
 472 # ifdef FEAT_GUI_GTK
 473 /* "-bg" or "-background" command line argument */
 474 EXTERN char     *background_argument INIT(= NULL);
 475
 476 /* "-fg" or "-foreground" command line argument */
 477 EXTERN char     *foreground_argument INIT(= NULL);
 478 # endif
 479
 480 /*
 481  * While executing external commands or in Ex mode, should not insert GUI
 482  * events in the input buffer: Set hold_gui_events to non-zero.
 483  */
 484 EXTERN int      hold_gui_events INIT(= 0);
 485
 486 /*
 487  * When resizing the shell is postponed, remember the new size, and call
 488  * gui_resize_shell() later.
 489  */
 490 EXTERN int      new_pixel_width INIT(= 0);
 491 EXTERN int      new_pixel_height INIT(= 0);
 492
 493 /* Window position from ":winpos", to be used when opening the GUI window. */
 494 EXTERN int      gui_win_x INIT(= -1);
 495 EXTERN int      gui_win_y INIT(= -1);
 496 #endif
 497
 498 #ifdef FEAT_CLIPBOARD
 499 EXTERN VimClipboard clip_star;  /* PRIMARY selection in X11 */
 500 # ifdef FEAT_X11
 501 EXTERN VimClipboard clip_plus;  /* CLIPBOARD selection in X11 */
 502 # else
 503 #  define clip_plus clip_star   /* there is only one clipboard */
 504 # endif
 505 EXTERN int      clip_unnamed INIT(= FALSE);
 506 EXTERN int      clip_autoselect INIT(= FALSE);
 507 EXTERN int      clip_autoselectml INIT(= FALSE);
 508 EXTERN regprog_T *clip_exclude_prog INIT(= NULL);
 509 #endif
 510
 511 /*
 512  * All windows are linked in a list. firstwin points to the first entry,
 513  * lastwin to the last entry (can be the same as firstwin) and curwin to the
 514  * currently active window.
 515  * Without the FEAT_WINDOWS they are all equal.
 516  */
 517 #ifdef FEAT_WINDOWS
 518 EXTERN win_T    *firstwin;              /* first window */
 519 EXTERN win_T    *lastwin;               /* last window */
 520 EXTERN win_T    *prevwin INIT(= NULL);  /* previous window */
 521 # define W_NEXT(wp) ((wp)->w_next)
 522 # define FOR_ALL_WINDOWS(wp) for (wp = firstwin; wp != NULL; wp = wp->w_next)
 523 #define FOR_ALL_TAB_WINDOWS(tp, wp) \
 524     for ((tp) = first_tabpage; (tp) != NULL; (tp) = (tp)->tp_next) \
 525         for ((wp) = ((tp) == curtab) \
 526                 ? firstwin : (tp)->tp_firstwin; (wp); (wp) = (wp)->w_next)
 527 #else
 528 # define firstwin curwin
 529 # define lastwin curwin
 530 # define W_NEXT(wp) NULL
 531 # define FOR_ALL_WINDOWS(wp) wp = curwin;
 532 # define FOR_ALL_TAB_WINDOWS(tp, wp) wp = curwin;
 533 #endif
 534
 535 EXTERN win_T    *curwin;        /* currently active window */
 536
 537 /*
 538  * The window layout is kept in a tree of frames.  topframe points to the top
 539  * of the tree.
 540  */
 541 EXTERN frame_T  *topframe;      /* top of the window frame tree */
 542
 543 #ifdef FEAT_WINDOWS
 544 /*
 545  * Tab pages are alternative topframes.  "first_tabpage" points to the first
 546  * one in the list, "curtab" is the current one.
 547  */
 548 EXTERN tabpage_T    *first_tabpage;
 549 EXTERN tabpage_T    *curtab;
 550 EXTERN int          redraw_tabline INIT(= FALSE);  /* need to redraw tabline */
 551 #endif
 552
 553 /*
 554  * All buffers are linked in a list. 'firstbuf' points to the first entry,
 555  * 'lastbuf' to the last entry and 'curbuf' to the currently active buffer.
 556  */
 557 EXTERN buf_T    *firstbuf INIT(= NULL); /* first buffer */
 558 EXTERN buf_T    *lastbuf INIT(= NULL);  /* last buffer */
 559 EXTERN buf_T    *curbuf INIT(= NULL);   /* currently active buffer */
 560
 561 /* Flag that is set when switching off 'swapfile'.  It means that all blocks
 562  * are to be loaded into memory.  Shouldn't be global... */
 563 EXTERN int      mf_dont_release INIT(= FALSE);  /* don't release blocks */
 564
 565 /*
 566  * List of files being edited (global argument list).  curwin->w_alist points
 567  * to this when the window is using the global argument list.
 568  */
 569 EXTERN alist_T  global_alist;   /* global argument list */
 570 EXTERN int      arg_had_last INIT(= FALSE); /* accessed last file in
 571                                                global_alist */
 572
 573 EXTERN int      ru_col;         /* column for ruler */
 574 #ifdef FEAT_STL_OPT
 575 EXTERN int      ru_wid;         /* 'rulerfmt' width of ruler when non-zero */
 576 #endif
 577 EXTERN int      sc_col;         /* column for shown command */
 578
 579 #ifdef TEMPDIRNAMES
 580 EXTERN char_u   *vim_tempdir INIT(= NULL); /* Name of Vim's own temp dir.
 581                                               Ends in a slash. */
 582 #endif
 583
 584 /*
 585  * When starting or exiting some things are done differently (e.g. screen
 586  * updating).
 587  */
 588 EXTERN int      starting INIT(= NO_SCREEN);
 589                                 /* first NO_SCREEN, then NO_BUFFERS and then
 590                                  * set to 0 when starting up finished */
 591 EXTERN int      exiting INIT(= FALSE);
 592                                 /* TRUE when planning to exit Vim.  Might
 593                                  * still keep on running if there is a changed
 594                                  * buffer. */
 595 EXTERN int      really_exiting INIT(= FALSE);
 596                                 /* TRUE when we are sure to exit, e.g., after
 597                                  * a deadly signal */
 598 EXTERN int      full_screen INIT(= FALSE);
 599                                 /* TRUE when doing full-screen output
 600                                  * otherwise only writing some messages */
 601
 602 EXTERN int      restricted INIT(= FALSE);
 603                                 /* TRUE when started as "rvim" */
 604 EXTERN int      secure INIT(= FALSE);
 605                                 /* non-zero when only "safe" commands are
 606                                  * allowed, e.g. when sourcing .exrc or .vimrc
 607                                  * in current directory */
 608
 609 EXTERN int      textlock INIT(= 0);
 610                                 /* non-zero when changing text and jumping to
 611                                  * another window or buffer is not allowed */
 612
 613 #ifdef FEAT_AUTOCMD
 614 EXTERN int      curbuf_lock INIT(= 0);
 615                                 /* non-zero when the current buffer can't be
 616                                  * changed.  Used for FileChangedRO. */
 617 #endif
 618 #ifdef FEAT_EVAL
 619 # define HAVE_SANDBOX
 620 EXTERN int      sandbox INIT(= 0);
 621                                 /* Non-zero when evaluating an expression in a
 622                                  * "sandbox".  Several things are not allowed
 623                                  * then. */
 624 #endif
 625
 626 EXTERN int      silent_mode INIT(= FALSE);
 627                                 /* set to TRUE when "-s" commandline argument
 628                                  * used for ex */
 629
 630 #ifdef FEAT_VISUAL
 631 EXTERN pos_T    VIsual;         /* start position of active Visual selection */
 632 EXTERN int      VIsual_active INIT(= FALSE);
 633                                 /* whether Visual mode is active */
 634 EXTERN int      VIsual_select INIT(= FALSE);
 635                                 /* whether Select mode is active */
 636 EXTERN int      VIsual_reselect;
 637                                 /* whether to restart the selection after a
 638                                  * Select mode mapping or menu */
 639
 640 EXTERN int      VIsual_mode INIT(= 'v');
 641                                 /* type of Visual mode */
 642
 643 EXTERN int      redo_VIsual_busy INIT(= FALSE);
 644                                 /* TRUE when redoing Visual */
 645 #endif
 646
 647 #ifdef FEAT_MOUSE
 648 /*
 649  * When pasting text with the middle mouse button in visual mode with
 650  * restart_edit set, remember where it started so we can set Insstart.
 651  */
 652 EXTERN pos_T    where_paste_started;
 653 #endif
 654
 655 /*
 656  * This flag is used to make auto-indent work right on lines where only a
 657  * <RETURN> or <ESC> is typed. It is set when an auto-indent is done, and
 658  * reset when any other editing is done on the line. If an <ESC> or <RETURN>
 659  * is received, and did_ai is TRUE, the line is truncated.
 660  */
 661 EXTERN int     did_ai INIT(= FALSE);
 662
 663 /*
 664  * Column of first char after autoindent.  0 when no autoindent done.  Used
 665  * when 'backspace' is 0, to avoid backspacing over autoindent.
 666  */
 667 EXTERN colnr_T  ai_col INIT(= 0);
 668
 669 #ifdef FEAT_COMMENTS
 670 /*
 671  * This is a character which will end a start-middle-end comment when typed as
 672  * the first character on a new line.  It is taken from the last character of
 673  * the "end" comment leader when the COM_AUTO_END flag is given for that
 674  * comment end in 'comments'.  It is only valid when did_ai is TRUE.
 675  */
 676 EXTERN int     end_comment_pending INIT(= NUL);
 677 #endif
 678
 679 #ifdef FEAT_SCROLLBIND
 680 /*
 681  * This flag is set after a ":syncbind" to let the check_scrollbind() function
 682  * know that it should not attempt to perform scrollbinding due to the scroll
 683  * that was a result of the ":syncbind." (Otherwise, check_scrollbind() will
 684  * undo some of the work done by ":syncbind.")  -ralston
 685  */
 686 EXTERN int     did_syncbind INIT(= FALSE);
 687 #endif
 688
 689 #ifdef FEAT_SMARTINDENT
 690 /*
 691  * This flag is set when a smart indent has been performed. When the next typed
 692  * character is a '{' the inserted tab will be deleted again.
 693  */
 694 EXTERN int      did_si INIT(= FALSE);
 695
 696 /*
 697  * This flag is set after an auto indent. If the next typed character is a '}'
 698  * one indent will be removed.
 699  */
 700 EXTERN int      can_si INIT(= FALSE);
 701
 702 /*
 703  * This flag is set after an "O" command. If the next typed character is a '{'
 704  * one indent will be removed.
 705  */
 706 EXTERN int      can_si_back INIT(= FALSE);
 707 #endif
 708
 709 EXTERN pos_T    saved_cursor            /* w_cursor before formatting text. */
 710 # ifdef DO_INIT
 711         = INIT_POS_T
 712 # endif
 713         ;
 714
 715 /*
 716  * Stuff for insert mode.
 717  */
 718 EXTERN pos_T    Insstart;               /* This is where the latest
 719                                          * insert/append mode started. */
 720 #ifdef FEAT_VREPLACE
 721 /*
 722  * Stuff for VREPLACE mode.
 723  */
 724 EXTERN int      orig_line_count INIT(= 0);  /* Line count when "gR" started */
 725 EXTERN int      vr_lines_changed INIT(= 0); /* #Lines changed by "gR" so far */
 726 #endif
 727
 728 #if defined(FEAT_X11) && defined(FEAT_XCLIPBOARD)
 729 /* argument to SETJMP() for handling X IO errors */
 730 EXTERN JMP_BUF x_jump_env;
 731 #endif
 732
 733 #if defined(HAVE_SETJMP_H)
 734 /*
 735  * Stuff for setjmp() and longjmp().
 736  * Used to protect areas where we could crash.
 737  */
 738 EXTERN JMP_BUF lc_jump_env;     /* argument to SETJMP() */
 739 # ifdef SIGHASARG
 740 EXTERN int lc_signal;           /* catched signal number, 0 when no was signal
 741                                    catched; used for mch_libcall() */
 742 # endif
 743 EXTERN int lc_active INIT(= FALSE); /* TRUE when lc_jump_env is valid. */
 744 #endif
 745
 746 #if defined(FEAT_MBYTE) || defined(FEAT_POSTSCRIPT)
 747 /*
 748  * These flags are set based upon 'fileencoding'.
 749  * Note that "enc_utf8" is also set for "unicode", because the characters are
 750  * internally stored as UTF-8 (to avoid trouble with NUL bytes).
 751  */
 752 # define DBCS_JPN       932     /* japan */
 753 # define DBCS_JPNU      9932    /* euc-jp */
 754 # define DBCS_KOR       949     /* korea */
 755 # define DBCS_KORU      9949    /* euc-kr */
 756 # define DBCS_CHS       936     /* chinese */
 757 # define DBCS_CHSU      9936    /* euc-cn */
 758 # define DBCS_CHT       950     /* taiwan */
 759 # define DBCS_CHTU      9950    /* euc-tw */
 760 # define DBCS_2BYTE     1       /* 2byte- */
 761 # define DBCS_DEBUG     -1
 762 #endif
 763
 764 #ifdef FEAT_MBYTE
 765 EXTERN int      enc_dbcs INIT(= 0);             /* One of DBCS_xxx values if
 766                                                    DBCS encoding */
 767 EXTERN int      enc_unicode INIT(= 0);  /* 2: UCS-2 or UTF-16, 4: UCS-4 */
 768 EXTERN int      enc_utf8 INIT(= FALSE);         /* UTF-8 encoded Unicode */
 769 EXTERN int      enc_latin1like INIT(= TRUE);    /* 'encoding' is latin1 comp. */
 770 # ifdef WIN3264
 771 /* Codepage nr of 'encoding'.  Negative means it's not been set yet, zero
 772  * means 'encoding' is not a valid codepage. */
 773 EXTERN int      enc_codepage INIT(= -1);
 774 EXTERN int      enc_latin9 INIT(= FALSE);       /* 'encoding' is latin9 */
 775 # endif
 776 EXTERN int      has_mbyte INIT(= 0);            /* any multi-byte encoding */
 777
 778 #if defined(WIN3264) && defined(FEAT_MBYTE)
 779 EXTERN int      wide_WindowProc INIT(= FALSE);  /* use wide WindowProc() */
 780 #endif
 781
 782 /*
 783  * To speed up BYTELEN() we fill a table with the byte lengths whenever
 784  * enc_utf8 or enc_dbcs changes.
 785  */
 786 EXTERN char     mb_bytelen_tab[256];
 787
 788 /* Variables that tell what conversion is used for keyboard input and display
 789  * output. */
 790 EXTERN vimconv_T input_conv;                    /* type of input conversion */
 791 EXTERN vimconv_T output_conv;                   /* type of output conversion */
 792
 793 /*
 794  * Function pointers, used to quickly get to the right function.  Each has
 795  * three possible values: latin_ (8-bit), utfc_ or utf_ (utf-8) and dbcs_
 796  * (DBCS).
 797  * The value is set in mb_init();
 798  */
 799 /* length of char in bytes, including following composing chars */
 800 EXTERN int (*mb_ptr2len) __ARGS((char_u *p)) INIT(= latin_ptr2len);
 801 /* byte length of char */
 802 EXTERN int (*mb_char2len) __ARGS((int c)) INIT(= latin_char2len);
 803 /* convert char to bytes, return the length */
 804 EXTERN int (*mb_char2bytes) __ARGS((int c, char_u *buf)) INIT(= latin_char2bytes);
 805 EXTERN int (*mb_ptr2cells) __ARGS((char_u *p)) INIT(= latin_ptr2cells);
 806 EXTERN int (*mb_char2cells) __ARGS((int c)) INIT(= latin_char2cells);
 807 EXTERN int (*mb_off2cells) __ARGS((unsigned off, unsigned max_off)) INIT(= latin_off2cells);
 808 EXTERN int (*mb_ptr2char) __ARGS((char_u *p)) INIT(= latin_ptr2char);
 809 EXTERN int (*mb_head_off) __ARGS((char_u *base, char_u *p)) INIT(= latin_head_off);
 810
 811 # if defined(USE_ICONV) && defined(DYNAMIC_ICONV)
 812 /* Pointers to functions and variables to be loaded at runtime */
 813 EXTERN size_t (*iconv) (iconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft);
 814 EXTERN iconv_t (*iconv_open) (const char *tocode, const char *fromcode);
 815 EXTERN int (*iconv_close) (iconv_t cd);
 816 EXTERN int (*iconvctl) (iconv_t cd, int request, void *argument);
 817 EXTERN int* (*iconv_errno) (void);
 818 # endif
 819
 820 #endif /* FEAT_MBYTE */
 821
 822 #ifdef FEAT_XIM
 823 # ifdef FEAT_GUI_GTK
 824 #  ifdef HAVE_GTK2
 825 EXTERN GtkIMContext     *xic INIT(= NULL);
 826 #  else
 827 EXTERN GdkICAttr        *xic_attr INIT(= NULL);
 828 EXTERN GdkIC            *xic INIT(= NULL);
 829 EXTERN char             *draw_feedback INIT(= NULL);
 830 #  endif
 831 /*
 832  * Start and end column of the preedit area in virtual columns from the start
 833  * of the text line.  When there is no preedit area they are set to MAXCOL.
 834  * "preedit_end_col" is needed for coloring the preedited string.  Drawing the
 835  * color between "preedit_start_col" and curpos did not work, because some XIM
 836  * set the cursor position to the first char of the string.
 837  */
 838 EXTERN colnr_T          preedit_start_col INIT(= MAXCOL);
 839 EXTERN colnr_T          preedit_end_col INIT(= MAXCOL);
 840
 841 /* "xim_changed_while_preediting" is set when changed() can set the 'modified'
 842  * flag even while preediting. */
 843 EXTERN int              xim_changed_while_preediting INIT(= FALSE);
 844 # else
 845 EXTERN XIC              xic INIT(= NULL);
 846 # endif
 847 # ifdef FEAT_GUI
 848 EXTERN guicolor_T       xim_fg_color INIT(= INVALCOLOR);
 849 EXTERN guicolor_T       xim_bg_color INIT(= INVALCOLOR);
 850 # endif
 851 #endif
 852
 853 #ifdef FEAT_HANGULIN
 854 EXTERN int              composing_hangul INIT(= 0);
 855 EXTERN char_u           composing_hangul_buffer[5];
 856 #endif
 857
 858 /*
 859  * "State" is the main state of Vim.
 860  * There are other variables that modify the state:
 861  * "Visual_mode"    When State is NORMAL or INSERT.
 862  * "finish_op"      When State is NORMAL, after typing the operator and before
 863  *                  typing the motion command.
 864  */
 865 EXTERN int      State INIT(= NORMAL);   /* This is the current state of the
 866                                          * command interpreter. */
 867
 868 EXTERN int      finish_op INIT(= FALSE);/* TRUE while an operator is pending */
 869
 870 /*
 871  * ex mode (Q) state
 872  */
 873 EXTERN int exmode_active INIT(= 0);     /* zero, EXMODE_NORMAL or EXMODE_VIM */
 874 EXTERN int ex_no_reprint INIT(= FALSE); /* no need to print after z or p */
 875
 876 EXTERN int Recording INIT(= FALSE);     /* TRUE when recording into a reg. */
 877 EXTERN int Exec_reg INIT(= FALSE);      /* TRUE when executing a register */
 878
 879 EXTERN int no_mapping INIT(= FALSE);    /* currently no mapping allowed */
 880 EXTERN int no_zero_mapping INIT(= 0);   /* mapping zero not allowed */
 881 EXTERN int allow_keys INIT(= FALSE);    /* allow key codes when no_mapping
 882                                          * is set */
 883 EXTERN int no_u_sync INIT(= 0);         /* Don't call u_sync() */
 884
 885 EXTERN int restart_edit INIT(= 0);      /* call edit when next cmd finished */
 886 EXTERN int arrow_used;                  /* Normally FALSE, set to TRUE after
 887                                          * hitting cursor key in insert mode.
 888                                          * Used by vgetorpeek() to decide when
 889                                          * to call u_sync() */
 890 EXTERN int      ins_at_eol INIT(= FALSE); /* put cursor after eol when
 891                                            restarting edit after CTRL-O */
 892 #ifdef FEAT_INS_EXPAND
 893 EXTERN char_u   *edit_submode INIT(= NULL); /* msg for CTRL-X submode */
 894 EXTERN char_u   *edit_submode_pre INIT(= NULL); /* prepended to edit_submode */
 895 EXTERN char_u   *edit_submode_extra INIT(= NULL);/* appended to edit_submode */
 896 EXTERN hlf_T    edit_submode_highl;     /* highl. method for extra info */
 897 EXTERN int      ctrl_x_mode INIT(= 0);  /* Which Ctrl-X mode are we in? */
 898 #endif
 899
 900 EXTERN int      no_abbr INIT(= TRUE);   /* TRUE when no abbreviations loaded */
 901 #ifdef MSDOS
 902 EXTERN int      beep_count INIT(= 0);   /* nr of beeps since last char typed */
 903 #endif
 904
 905 #ifdef USE_EXE_NAME
 906 EXTERN char_u   *exe_name;              /* the name of the executable */
 907 #endif
 908
 909 #ifdef USE_ON_FLY_SCROLL
 910 EXTERN int      dont_scroll INIT(= FALSE);/* don't use scrollbars when TRUE */
 911 #endif
 912 EXTERN int      mapped_ctrl_c INIT(= FALSE); /* CTRL-C is mapped */
 913 EXTERN int      ctrl_c_interrupts INIT(= TRUE); /* CTRL-C sets got_int */
 914
 915 EXTERN cmdmod_T cmdmod;                 /* Ex command modifiers */
 916
 917 EXTERN int      msg_silent INIT(= 0);   /* don't print messages */
 918 EXTERN int      emsg_silent INIT(= 0);  /* don't print error messages */
 919 EXTERN int      cmd_silent INIT(= FALSE); /* don't echo the command line */
 920
 921 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) \
 922         || defined(FEAT_AUTOCMD)
 923 # define HAS_SWAP_EXISTS_ACTION
 924 EXTERN int      swap_exists_action INIT(= SEA_NONE);
 925                                         /* For dialog when swap file already
 926                                          * exists. */
 927 EXTERN int      swap_exists_did_quit INIT(= FALSE);
 928                                         /* Selected "quit" at the dialog. */
 929 #endif
 930
 931 EXTERN char_u   *IObuff;                /* sprintf's are done in this buffer,
 932                                            size is IOSIZE */
 933 EXTERN char_u   *NameBuff;              /* file names are expanded in this
 934                                          * buffer, size is MAXPATHL */
 935 EXTERN char_u   msg_buf[MSG_BUF_LEN];   /* small buffer for messages */
 936
 937 /* When non-zero, postpone redrawing. */
 938 EXTERN int      RedrawingDisabled INIT(= 0);
 939
 940 EXTERN int      readonlymode INIT(= FALSE); /* Set to TRUE for "view" */
 941 EXTERN int      recoverymode INIT(= FALSE); /* Set to TRUE for "-r" option */
 942
 943 EXTERN struct buffheader stuffbuff      /* stuff buffer */
 944 #ifdef DO_INIT
 945                     = {{NULL, {NUL}}, NULL, 0, 0}
 946 #endif
 947                     ;
 948 EXTERN typebuf_T typebuf                /* typeahead buffer */
 949 #ifdef DO_INIT
 950                     = {NULL, NULL}
 951 #endif
 952                     ;
 953 #ifdef FEAT_EX_EXTRA
 954 EXTERN int      ex_normal_busy INIT(= 0); /* recursiveness of ex_normal() */
 955 EXTERN int      ex_normal_lock INIT(= 0); /* forbid use of ex_normal() */
 956 #endif
 957 EXTERN int      stop_insert_mode;       /* for ":stopinsert" and 'insertmode' */
 958
 959 EXTERN int      KeyTyped;               /* TRUE if user typed current char */
 960 EXTERN int      KeyStuffed;             /* TRUE if current char from stuffbuf */
 961 #ifdef USE_IM_CONTROL
 962 EXTERN int      vgetc_im_active;        /* Input Method was active for last
 963                                            character obtained from vgetc() */
 964 #endif
 965 EXTERN int      maptick INIT(= 0);      /* tick for each non-mapped char */
 966
 967 EXTERN char_u   chartab[256];           /* table used in charset.c; See
 968                                            init_chartab() for explanation */
 969
 970 EXTERN int      must_redraw INIT(= 0);      /* type of redraw necessary */
 971 EXTERN int      skip_redraw INIT(= FALSE);  /* skip redraw once */
 972 EXTERN int      do_redraw INIT(= FALSE);    /* extra redraw once */
 973
 974 EXTERN int      need_highlight_changed INIT(= TRUE);
 975 EXTERN char_u   *use_viminfo INIT(= NULL);  /* name of viminfo file to use */
 976
 977 #define NSCRIPT 15
 978 EXTERN FILE     *scriptin[NSCRIPT];         /* streams to read script from */
 979 EXTERN int      curscript INIT(= 0);        /* index in scriptin[] */
 980 EXTERN FILE     *scriptout  INIT(= NULL);   /* stream to write script to */
 981 EXTERN int      read_cmd_fd INIT(= 0);      /* fd to read commands from */
 982
 983 EXTERN int      got_int INIT(= FALSE);      /* set to TRUE when interrupt
 984                                                 signal occurred */
 985 #ifdef USE_TERM_CONSOLE
 986 EXTERN int      term_console INIT(= FALSE); /* set to TRUE when console used */
 987 #endif
 988 EXTERN int      termcap_active INIT(= FALSE);   /* set by starttermcap() */
 989 EXTERN int      cur_tmode INIT(= TMODE_COOK);   /* input terminal mode */
 990 EXTERN int      bangredo INIT(= FALSE);     /* set to TRUE with ! command */
 991 EXTERN int      searchcmdlen;               /* length of previous search cmd */
 992 #ifdef FEAT_SYN_HL
 993 EXTERN int      reg_do_extmatch INIT(= 0);  /* Used when compiling regexp:
 994                                              * REX_SET to allow \z\(...\),
 995                                              * REX_USE to allow \z\1 et al. */
 996 EXTERN reg_extmatch_T *re_extmatch_in INIT(= NULL); /* Used by vim_regexec():
 997                                              * strings for \z\1...\z\9 */
 998 EXTERN reg_extmatch_T *re_extmatch_out INIT(= NULL); /* Set by vim_regexec()
 999                                              * to store \z\(...\) matches */
1000 #endif
1001
1002 EXTERN int      did_outofmem_msg INIT(= FALSE);
1003                                             /* set after out of memory msg */
1004 EXTERN int      did_swapwrite_msg INIT(= FALSE);
1005                                             /* set after swap write error msg */
1006 EXTERN int      undo_off INIT(= FALSE);     /* undo switched off for now */
1007 EXTERN int      global_busy INIT(= 0);      /* set when :global is executing */
1008 EXTERN int      listcmd_busy INIT(= FALSE); /* set when :argdo, :windo or
1009                                                :bufdo is executing */
1010 EXTERN int      need_start_insertmode INIT(= FALSE);
1011                                             /* start insert mode soon */
1012 EXTERN char_u   *last_cmdline INIT(= NULL); /* last command line (for ":) */
1013 EXTERN char_u   *repeat_cmdline INIT(= NULL); /* command line for "." */
1014 #ifdef FEAT_CMDHIST
1015 EXTERN char_u   *new_last_cmdline INIT(= NULL); /* new value for last_cmdline */
1016 #endif
1017 #ifdef FEAT_AUTOCMD
1018 EXTERN char_u   *autocmd_fname INIT(= NULL); /* fname for <afile> on cmdline */
1019 EXTERN int      autocmd_bufnr INIT(= 0);     /* fnum for <abuf> on cmdline */
1020 EXTERN char_u   *autocmd_match INIT(= NULL); /* name for <amatch> on cmdline */
1021 EXTERN int      did_cursorhold INIT(= FALSE); /* set when CursorHold t'gerd */
1022 EXTERN pos_T    last_cursormoved            /* for CursorMoved event */
1023 # ifdef DO_INIT
1024                         = INIT_POS_T
1025 # endif
1026                         ;
1027 #endif
1028
1029 EXTERN linenr_T write_no_eol_lnum INIT(= 0); /* non-zero lnum when last line
1030                                                 of next binary write should
1031                                                 not have an end-of-line */
1032
1033 #ifdef FEAT_WINDOWS
1034 EXTERN int      postponed_split INIT(= 0);  /* for CTRL-W CTRL-] command */
1035 EXTERN int      postponed_split_flags INIT(= 0);  /* args for win_split() */
1036 EXTERN int      postponed_split_tab INIT(= 0);  /* cmdmod.tab */
1037 # ifdef FEAT_QUICKFIX
1038 EXTERN int      g_do_tagpreview INIT(= 0);  /* for tag preview commands:
1039                                                height of preview window */
1040 # endif
1041 #endif
1042 EXTERN int      replace_offset INIT(= 0);   /* offset for replace_push() */
1043
1044 EXTERN char_u   *escape_chars INIT(= (char_u *)" \t\\\"|");
1045                                             /* need backslash in cmd line */
1046
1047 EXTERN int      keep_help_flag INIT(= FALSE); /* doing :ta from help file */
1048
1049 /*
1050  * When a string option is NULL (which only happens in out-of-memory
1051  * situations), it is set to empty_option, to avoid having to check for NULL
1052  * everywhere.
1053  */
1054 EXTERN char_u   *empty_option INIT(= (char_u *)"");
1055
1056 EXTERN int  redir_off INIT(= FALSE);    /* no redirection for a moment */
1057 EXTERN FILE *redir_fd INIT(= NULL);     /* message redirection file */
1058 #ifdef FEAT_EVAL
1059 EXTERN int  redir_reg INIT(= 0);        /* message redirection register */
1060 EXTERN int  redir_vname INIT(= 0);      /* message redirection variable */
1061 #endif
1062
1063 #ifdef FEAT_LANGMAP
1064 EXTERN char_u   langmap_mapchar[256];   /* mapping for language keys */
1065 #endif
1066
1067 #ifdef FEAT_WILDMENU
1068 EXTERN int  save_p_ls INIT(= -1);       /* Save 'laststatus' setting */
1069 EXTERN int  save_p_wmh INIT(= -1);      /* Save 'winminheight' setting */
1070 EXTERN int  wild_menu_showing INIT(= 0);
1071 #define WM_SHOWN        1               /* wildmenu showing */
1072 #define WM_SCROLLED     2               /* wildmenu showing with scroll */
1073 #endif
1074
1075 #ifdef MSWIN
1076 EXTERN char_u   toupper_tab[256];       /* table for toupper() */
1077 EXTERN char_u   tolower_tab[256];       /* table for tolower() */
1078 #endif
1079
1080 #ifdef FEAT_LINEBREAK
1081 EXTERN char     breakat_flags[256];     /* which characters are in 'breakat' */
1082 #endif
1083
1084 /* these are in version.c */
1085 extern char *Version;
1086 #if defined(HAVE_DATE_TIME) && defined(VMS) && defined(VAXC)
1087 extern char longVersion[];
1088 #else
1089 extern char *longVersion;
1090 #endif
1091
1092 /*
1093  * Some file names are stored in pathdef.c, which is generated from the
1094  * Makefile to make their value depend on the Makefile.
1095  */
1096 #ifdef HAVE_PATHDEF
1097 extern char_u *default_vim_dir;
1098 extern char_u *default_vimruntime_dir;
1099 extern char_u *all_cflags;
1100 extern char_u *all_lflags;
1101 # ifdef VMS
1102 extern char_u *compiler_version;
1103 extern char_u *compiled_arch;
1104 # endif
1105 extern char_u *compiled_user;
1106 extern char_u *compiled_sys;
1107 #endif
1108
1109 /* When a window has a local directory, the absolute path of the global
1110  * current directory is stored here (in allocated memory).  If the current
1111  * directory is not a local directory, globaldir is NULL. */
1112 EXTERN char_u   *globaldir INIT(= NULL);
1113
1114 /* Characters from 'listchars' option */
1115 EXTERN int      lcs_eol INIT(= '$');
1116 EXTERN int      lcs_ext INIT(= NUL);
1117 EXTERN int      lcs_prec INIT(= NUL);
1118 EXTERN int      lcs_nbsp INIT(= NUL);
1119 EXTERN int      lcs_tab1 INIT(= NUL);
1120 EXTERN int      lcs_tab2 INIT(= NUL);
1121 EXTERN int      lcs_trail INIT(= NUL);
1122
1123 #if defined(FEAT_WINDOWS) || defined(FEAT_WILDMENU) || defined(FEAT_STL_OPT) \
1124         || defined(FEAT_FOLDING)
1125 /* Characters from 'fillchars' option */
1126 EXTERN int      fill_stl INIT(= ' ');
1127 EXTERN int      fill_stlnc INIT(= ' ');
1128 #endif
1129 #if defined(FEAT_WINDOWS) || defined(FEAT_FOLDING)
1130 EXTERN int      fill_vert INIT(= ' ');
1131 EXTERN int      fill_fold INIT(= '-');
1132 EXTERN int      fill_diff INIT(= '-');
1133 #endif
1134
1135 #ifdef FEAT_VISUAL
1136 /* Whether 'keymodel' contains "stopsel" and "startsel". */
1137 EXTERN int      km_stopsel INIT(= FALSE);
1138 EXTERN int      km_startsel INIT(= FALSE);
1139 #endif
1140
1141 #ifdef FEAT_CMDWIN
1142 EXTERN int      cedit_key INIT(= -1);   /* key value of 'cedit' option */
1143 EXTERN int      cmdwin_type INIT(= 0);  /* type of cmdline window or 0 */
1144 EXTERN int      cmdwin_result INIT(= 0); /* result of cmdline window or 0 */
1145 #endif
1146
1147 EXTERN char_u no_lines_msg[]    INIT(= N_("--No lines in buffer--"));
1148
1149 /*
1150  * When ":global" is used to number of substitutions and changed lines is
1151  * accumulated until it's finished.
1152  * Also used for ":spellrepall".
1153  */
1154 EXTERN long     sub_nsubs;      /* total number of substitutions */
1155 EXTERN linenr_T sub_nlines;     /* total number of lines changed */
1156
1157 /* table to store parsed 'wildmode' */
1158 EXTERN char_u   wim_flags[4];
1159
1160 #if defined(FEAT_TITLE) && defined(FEAT_STL_OPT)
1161 /* whether titlestring and iconstring contains statusline syntax */
1162 # define STL_IN_ICON    1
1163 # define STL_IN_TITLE   2
1164 EXTERN int      stl_syntax INIT(= 0);
1165 #endif
1166
1167 #ifdef FEAT_SEARCH_EXTRA
1168 /* don't use 'hlsearch' temporarily */
1169 EXTERN int      no_hlsearch INIT(= FALSE);
1170 #endif
1171
1172 #ifdef FEAT_BEVAL
1173 EXTERN BalloonEval      *balloonEval INIT(= NULL);
1174 # if defined(FEAT_NETBEANS_INTG) || defined(FEAT_SUN_WORKSHOP)
1175 EXTERN int bevalServers INIT(= 0);
1176 #  define BEVAL_NETBEANS                0x01
1177 #  define BEVAL_WORKSHOP                0x02
1178 # endif
1179 #endif
1180
1181 #ifdef CURSOR_SHAPE
1182 /* the table is in misc2.c, because of initializations */
1183 extern cursorentry_T shape_table[SHAPE_IDX_COUNT];
1184 #endif
1185
1186 #ifdef FEAT_PRINTER
1187 /*
1188  * Printer stuff shared between hardcopy.c and machine-specific printing code.
1189  */
1190 # define OPT_PRINT_TOP          0
1191 # define OPT_PRINT_BOT          1
1192 # define OPT_PRINT_LEFT         2
1193 # define OPT_PRINT_RIGHT        3
1194 # define OPT_PRINT_HEADERHEIGHT 4
1195 # define OPT_PRINT_SYNTAX       5
1196 # define OPT_PRINT_NUMBER       6
1197 # define OPT_PRINT_WRAP         7
1198 # define OPT_PRINT_DUPLEX       8
1199 # define OPT_PRINT_PORTRAIT     9
1200 # define OPT_PRINT_PAPER        10
1201 # define OPT_PRINT_COLLATE      11
1202 # define OPT_PRINT_JOBSPLIT     12
1203 # define OPT_PRINT_FORMFEED     13
1204
1205 # define OPT_PRINT_NUM_OPTIONS  14
1206
1207 EXTERN option_table_T printer_opts[OPT_PRINT_NUM_OPTIONS]
1208 # ifdef DO_INIT
1209  =
1210 {
1211     {"top",     TRUE, 0, NULL, 0, FALSE},
1212     {"bottom",  TRUE, 0, NULL, 0, FALSE},
1213     {"left",    TRUE, 0, NULL, 0, FALSE},
1214     {"right",   TRUE, 0, NULL, 0, FALSE},
1215     {"header",  TRUE, 0, NULL, 0, FALSE},
1216     {"syntax",  FALSE, 0, NULL, 0, FALSE},
1217     {"number",  FALSE, 0, NULL, 0, FALSE},
1218     {"wrap",    FALSE, 0, NULL, 0, FALSE},
1219     {"duplex",  FALSE, 0, NULL, 0, FALSE},
1220     {"portrait", FALSE, 0, NULL, 0, FALSE},
1221     {"paper",   FALSE, 0, NULL, 0, FALSE},
1222     {"collate", FALSE, 0, NULL, 0, FALSE},
1223     {"jobsplit", FALSE, 0, NULL, 0, FALSE},
1224     {"formfeed", FALSE, 0, NULL, 0, FALSE},
1225 }
1226 # endif
1227 ;
1228
1229 /* For prt_get_unit(). */
1230 # define PRT_UNIT_NONE  -1
1231 # define PRT_UNIT_PERC  0
1232 # define PRT_UNIT_INCH  1
1233 # define PRT_UNIT_MM    2
1234 # define PRT_UNIT_POINT 3
1235 # define PRT_UNIT_NAMES {"pc", "in", "mm", "pt"}
1236 #endif
1237
1238 #if (defined(FEAT_PRINTER) && defined(FEAT_STL_OPT)) \
1239             || defined(FEAT_GUI_TABLINE)
1240 /* Page number used for %N in 'pageheader' and 'guitablabel'. */
1241 EXTERN linenr_T printer_page_num;
1242 #endif
1243
1244 #ifdef FEAT_XCLIPBOARD
1245 EXTERN char     *xterm_display INIT(= NULL);    /* xterm display name; points
1246                                                    into argv[] */
1247 EXTERN Display  *xterm_dpy INIT(= NULL);        /* xterm display pointer */
1248 #endif
1249 #if defined(FEAT_XCLIPBOARD) || defined(FEAT_GUI_X11)
1250 EXTERN XtAppContext app_context INIT(= (XtAppContext)NULL);
1251 #endif
1252
1253 #ifdef FEAT_GUI_GTK
1254 EXTERN guint32  gtk_socket_id INIT(= 0);
1255 EXTERN int      echo_wid_arg INIT(= FALSE);     /* --echo-wid argument */
1256 #endif
1257
1258 #ifdef FEAT_GUI_W32
1259 /*
1260  * The value of the --windowid argument.
1261  * For embedding gvim inside another application.
1262  */
1263 EXTERN int      win_socket_id INIT(= 0);
1264 #endif
1265
1266 #if defined(FEAT_CLIENTSERVER) || defined(FEAT_EVAL)
1267 EXTERN int      typebuf_was_filled INIT(= FALSE); /* received text from client
1268                                                      or from feedkeys() */
1269 #endif
1270
1271 #ifdef FEAT_CLIENTSERVER
1272 EXTERN char_u   *serverName INIT(= NULL);       /* name of the server */
1273 # ifdef FEAT_X11
1274 EXTERN Window   commWindow INIT(= None);
1275 EXTERN Window   clientWindow INIT(= None);
1276 EXTERN Atom     commProperty INIT(= None);
1277 EXTERN char_u   *serverDelayedStartName INIT(= NULL);
1278 # elif defined(WIN32)
1279 # ifdef PROTO
1280 typedef int HWND;
1281 # endif
1282 EXTERN HWND     clientWindow INIT(= 0);
1283 # elif defined(MAC_CLIENTSERVER)
1284 EXTERN int      clientWindow INIT(= 0);
1285 # endif
1286 #endif
1287
1288 #if defined(UNIX) || defined(VMS)
1289 EXTERN int      term_is_xterm INIT(= FALSE);    /* xterm-like 'term' */
1290 #endif
1291
1292 #ifdef BACKSLASH_IN_FILENAME
1293 EXTERN char     psepc INIT(= '\\');     /* normal path separator character */
1294 EXTERN char     psepcN INIT(= '/');     /* abnormal path separator character */
1295 EXTERN char     pseps[2]                /* normal path separator string */
1296 # ifdef DO_INIT
1297                         = {'\\', 0}
1298 # endif
1299                         ;
1300 #endif
1301
1302 #ifdef FEAT_VIRTUALEDIT
1303 /* Set to TRUE when an operator is being executed with virtual editing, MAYBE
1304  * when no operator is being executed, FALSE otherwise. */
1305 EXTERN int      virtual_op INIT(= MAYBE);
1306 #endif
1307
1308 #ifdef FEAT_SYN_HL
1309 /* Display tick, incremented for each call to update_screen() */
1310 EXTERN disptick_T       display_tick INIT(= 0);
1311 #endif
1312
1313 #ifdef FEAT_SPELL
1314 /* Line in which spell checking wasn't highlighted because it touched the
1315  * cursor position in Insert mode. */
1316 EXTERN linenr_T         spell_redraw_lnum INIT(= 0);
1317 #endif
1318
1319 #ifdef ALT_X_INPUT
1320 /* we need to be able to go into the dispatch loop while processing a command
1321  * received via alternate input. However, we don't want to process another
1322  * command until the first is completed.
1323  */
1324 EXTERN int      suppress_alternate_input INIT(= FALSE);
1325 #endif
1326
1327 #ifdef USE_MCH_ERRMSG
1328 /* Grow array to collect error messages in until they can be displayed. */
1329 EXTERN garray_T error_ga
1330 # ifdef DO_INIT
1331         = {0, 0, 0, 0, NULL}
1332 # endif
1333         ;
1334 #endif
1335
1336 #ifdef FEAT_NETBEANS_INTG
1337 EXTERN char *netbeansArg INIT(= NULL);  /* the -nb[:host:port:passwd] arg */
1338 EXTERN int netbeansCloseFile INIT(= 0); /* send killed if != 0 */
1339 EXTERN int netbeansFireChanges INIT(= 1); /* send buffer changes if != 0 */
1340 EXTERN int netbeansForcedQuit INIT(= 0);/* don't write modified files */
1341 EXTERN int netbeansReadFile INIT(= 1);  /* OK to read from disk if != 0 */
1342 EXTERN int netbeansSuppressNoLines INIT(= 0); /* skip "No lines in buffer" */
1343 EXTERN int usingNetbeans INIT(= 0);     /* set if -nb flag is used */
1344 #endif
1345
1346 /*
1347  * The error messages that can be shared are included here.
1348  * Excluded are errors that are only used once and debugging messages.
1349  */
1350 EXTERN char_u e_abort[]         INIT(= N_("E470: Command aborted"));
1351 EXTERN char_u e_argreq[]        INIT(= N_("E471: Argument required"));
1352 EXTERN char_u e_backslash[]     INIT(= N_("E10: \\ should be followed by /, ? or &"));
1353 #ifdef FEAT_CMDWIN
1354 EXTERN char_u e_cmdwin[]        INIT(= N_("E11: Invalid in command-line window; <CR> executes, CTRL-C quits"));
1355 #endif
1356 EXTERN char_u e_curdir[]        INIT(= N_("E12: Command not allowed from exrc/vimrc in current dir or tag search"));
1357 #ifdef FEAT_EVAL
1358 EXTERN char_u e_endif[]         INIT(= N_("E171: Missing :endif"));
1359 EXTERN char_u e_endtry[]        INIT(= N_("E600: Missing :endtry"));
1360 EXTERN char_u e_endwhile[]      INIT(= N_("E170: Missing :endwhile"));
1361 EXTERN char_u e_endfor[]        INIT(= N_("E170: Missing :endfor"));
1362 EXTERN char_u e_while[]         INIT(= N_("E588: :endwhile without :while"));
1363 EXTERN char_u e_for[]           INIT(= N_("E588: :endfor without :for"));
1364 #endif
1365 EXTERN char_u e_exists[]        INIT(= N_("E13: File exists (add ! to override)"));
1366 EXTERN char_u e_failed[]        INIT(= N_("E472: Command failed"));
1367 #if defined(FEAT_GUI) && defined(FEAT_XFONTSET)
1368 EXTERN char_u e_fontset[]       INIT(= N_("E234: Unknown fontset: %s"));
1369 #endif
1370 #if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) || defined(MACOS) \
1371         || defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MSWIN)
1372 EXTERN char_u e_font[]          INIT(= N_("E235: Unknown font: %s"));
1373 #endif
1374 #if (defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK)) && !defined(HAVE_GTK2)
1375 EXTERN char_u e_fontwidth[]     INIT(= N_("E236: Font \"%s\" is not fixed-width"));
1376 #endif
1377 EXTERN char_u e_internal[]      INIT(= N_("E473: Internal error"));
1378 EXTERN char_u e_interr[]        INIT(= N_("Interrupted"));
1379 EXTERN char_u e_invaddr[]       INIT(= N_("E14: Invalid address"));
1380 EXTERN char_u e_invarg[]        INIT(= N_("E474: Invalid argument"));
1381 EXTERN char_u e_invarg2[]       INIT(= N_("E475: Invalid argument: %s"));
1382 #ifdef FEAT_EVAL
1383 EXTERN char_u e_invexpr2[]      INIT(= N_("E15: Invalid expression: %s"));
1384 #endif
1385 EXTERN char_u e_invrange[]      INIT(= N_("E16: Invalid range"));
1386 EXTERN char_u e_invcmd[]        INIT(= N_("E476: Invalid command"));
1387 #if defined(UNIX) || defined(FEAT_SYN_HL)
1388 EXTERN char_u e_isadir2[]       INIT(= N_("E17: \"%s\" is a directory"));
1389 #endif
1390 #ifdef FEAT_LIBCALL
1391 EXTERN char_u e_libcall[]       INIT(= N_("E364: Library call failed for \"%s()\""));
1392 #endif
1393 #if defined(DYNAMIC_PERL) || defined(DYNAMIC_PYTHON) || defined(DYNAMIC_RUBY) \
1394         || defined(DYNAMIC_TCL) || defined(DYNAMIC_ICONV) \
1395         || defined(DYNAMIC_GETTEXT) || defined(DYNAMIC_MZSCHEME)
1396 EXTERN char_u e_loadlib[]       INIT(= N_("E370: Could not load library %s"));
1397 EXTERN char_u e_loadfunc[]      INIT(= N_("E448: Could not load library function %s"));
1398 #endif
1399 EXTERN char_u e_markinval[]     INIT(= N_("E19: Mark has invalid line number"));
1400 EXTERN char_u e_marknotset[]    INIT(= N_("E20: Mark not set"));
1401 EXTERN char_u e_modifiable[]    INIT(= N_("E21: Cannot make changes, 'modifiable' is off"));
1402 EXTERN char_u e_nesting[]       INIT(= N_("E22: Scripts nested too deep"));
1403 EXTERN char_u e_noalt[]         INIT(= N_("E23: No alternate file"));
1404 EXTERN char_u e_noabbr[]        INIT(= N_("E24: No such abbreviation"));
1405 EXTERN char_u e_nobang[]        INIT(= N_("E477: No ! allowed"));
1406 #ifndef FEAT_GUI
1407 EXTERN char_u e_nogvim[]        INIT(= N_("E25: GUI cannot be used: Not enabled at compile time"));
1408 #endif
1409 #ifndef FEAT_RIGHTLEFT
1410 EXTERN char_u e_nohebrew[]      INIT(= N_("E26: Hebrew cannot be used: Not enabled at compile time\n"));
1411 #endif
1412 #ifndef FEAT_FKMAP
1413 EXTERN char_u e_nofarsi[]       INIT(= N_("E27: Farsi cannot be used: Not enabled at compile time\n"));
1414 #endif
1415 #ifndef FEAT_ARABIC
1416 EXTERN char_u e_noarabic[]      INIT(= N_("E800: Arabic cannot be used: Not enabled at compile time\n"));
1417 #endif
1418 #if defined(FEAT_SEARCH_EXTRA) || defined(FEAT_SYN_HL)
1419 EXTERN char_u e_nogroup[]       INIT(= N_("E28: No such highlight group name: %s"));
1420 #endif
1421 EXTERN char_u e_noinstext[]     INIT(= N_("E29: No inserted text yet"));
1422 EXTERN char_u e_nolastcmd[]     INIT(= N_("E30: No previous command line"));
1423 EXTERN char_u e_nomap[]         INIT(= N_("E31: No such mapping"));
1424 EXTERN char_u e_nomatch[]       INIT(= N_("E479: No match"));
1425 EXTERN char_u e_nomatch2[]      INIT(= N_("E480: No match: %s"));
1426 EXTERN char_u e_noname[]        INIT(= N_("E32: No file name"));
1427 EXTERN char_u e_nopresub[]      INIT(= N_("E33: No previous substitute regular expression"));
1428 EXTERN char_u e_noprev[]        INIT(= N_("E34: No previous command"));
1429 EXTERN char_u e_noprevre[]      INIT(= N_("E35: No previous regular expression"));
1430 EXTERN char_u e_norange[]       INIT(= N_("E481: No range allowed"));
1431 #ifdef FEAT_WINDOWS
1432 EXTERN char_u e_noroom[]        INIT(= N_("E36: Not enough room"));
1433 #endif
1434 #ifdef FEAT_CLIENTSERVER
1435 EXTERN char_u e_noserver[]      INIT(= N_("E247: no registered server named \"%s\""));
1436 #endif
1437 EXTERN char_u e_notcreate[]     INIT(= N_("E482: Can't create file %s"));
1438 EXTERN char_u e_notmp[]         INIT(= N_("E483: Can't get temp file name"));
1439 EXTERN char_u e_notopen[]       INIT(= N_("E484: Can't open file %s"));
1440 EXTERN char_u e_notread[]       INIT(= N_("E485: Can't read file %s"));
1441 EXTERN char_u e_nowrtmsg[]      INIT(= N_("E37: No write since last change (add ! to override)"));
1442 EXTERN char_u e_null[]          INIT(= N_("E38: Null argument"));
1443 #ifdef FEAT_DIGRAPHS
1444 EXTERN char_u e_number_exp[]    INIT(= N_("E39: Number expected"));
1445 #endif
1446 #ifdef FEAT_QUICKFIX
1447 EXTERN char_u e_openerrf[]      INIT(= N_("E40: Can't open errorfile %s"));
1448 #endif
1449 #if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11)
1450 EXTERN char_u e_opendisp[]      INIT(= N_("E233: cannot open display"));
1451 #endif
1452 EXTERN char_u e_outofmem[]      INIT(= N_("E41: Out of memory!"));
1453 #ifdef FEAT_INS_EXPAND
1454 EXTERN char_u e_patnotf[]       INIT(= N_("Pattern not found"));
1455 #endif
1456 EXTERN char_u e_patnotf2[]      INIT(= N_("E486: Pattern not found: %s"));
1457 EXTERN char_u e_positive[]      INIT(= N_("E487: Argument must be positive"));
1458 #if defined(UNIX) || defined(FEAT_SESSION)
1459 EXTERN char_u e_prev_dir[]      INIT(= N_("E459: Cannot go back to previous directory"));
1460 #endif
1461
1462 #ifdef FEAT_QUICKFIX
1463 EXTERN char_u e_quickfix[]      INIT(= N_("E42: No Errors"));
1464 EXTERN char_u e_loclist[]       INIT(= N_("E776: No location list"));
1465 #endif
1466 EXTERN char_u e_re_damg[]       INIT(= N_("E43: Damaged match string"));
1467 EXTERN char_u e_re_corr[]       INIT(= N_("E44: Corrupted regexp program"));
1468 EXTERN char_u e_readonly[]      INIT(= N_("E45: 'readonly' option is set (add ! to override)"));
1469 #ifdef FEAT_EVAL
1470 EXTERN char_u e_readonlyvar[]   INIT(= N_("E46: Cannot change read-only variable \"%s\""));
1471 EXTERN char_u e_readonlysbx[]   INIT(= N_("E794: Cannot set variable in the sandbox: \"%s\""));
1472 #endif
1473 #ifdef FEAT_QUICKFIX
1474 EXTERN char_u e_readerrf[]      INIT(= N_("E47: Error while reading errorfile"));
1475 #endif
1476 #ifdef HAVE_SANDBOX
1477 EXTERN char_u e_sandbox[]       INIT(= N_("E48: Not allowed in sandbox"));
1478 #endif
1479 EXTERN char_u e_secure[]        INIT(= N_("E523: Not allowed here"));
1480 #if defined(AMIGA) || defined(MACOS) || defined(MSWIN) || defined(RISCOS) \
1481         || defined(UNIX) || defined(VMS) || defined(OS2)
1482 EXTERN char_u e_screenmode[]    INIT(= N_("E359: Screen mode setting not supported"));
1483 #endif
1484 EXTERN char_u e_scroll[]        INIT(= N_("E49: Invalid scroll size"));
1485 EXTERN char_u e_shellempty[]    INIT(= N_("E91: 'shell' option is empty"));
1486 #if defined(FEAT_SIGN_ICONS) && !defined(HAVE_GTK2)
1487 EXTERN char_u e_signdata[]      INIT(= N_("E255: Couldn't read in sign data!"));
1488 #endif
1489 EXTERN char_u e_swapclose[]     INIT(= N_("E72: Close error on swap file"));
1490 EXTERN char_u e_tagstack[]      INIT(= N_("E73: tag stack empty"));
1491 EXTERN char_u e_toocompl[]      INIT(= N_("E74: Command too complex"));
1492 EXTERN char_u e_longname[]      INIT(= N_("E75: Name too long"));
1493 EXTERN char_u e_toomsbra[]      INIT(= N_("E76: Too many ["));
1494 EXTERN char_u e_toomany[]       INIT(= N_("E77: Too many file names"));
1495 EXTERN char_u e_trailing[]      INIT(= N_("E488: Trailing characters"));
1496 EXTERN char_u e_umark[]         INIT(= N_("E78: Unknown mark"));
1497 EXTERN char_u e_wildexpand[]    INIT(= N_("E79: Cannot expand wildcards"));
1498 #ifdef FEAT_WINDOWS
1499 EXTERN char_u e_winheight[]     INIT(= N_("E591: 'winheight' cannot be smaller than 'winminheight'"));
1500 # ifdef FEAT_VERTSPLIT
1501 EXTERN char_u e_winwidth[]      INIT(= N_("E592: 'winwidth' cannot be smaller than 'winminwidth'"));
1502 # endif
1503 #endif
1504 EXTERN char_u e_write[]         INIT(= N_("E80: Error while writing"));
1505 EXTERN char_u e_zerocount[]     INIT(= N_("Zero count"));
1506 #ifdef FEAT_EVAL
1507 EXTERN char_u e_usingsid[]      INIT(= N_("E81: Using <SID> not in a script context"));
1508 #endif
1509 #ifdef FEAT_CLIENTSERVER
1510 EXTERN char_u e_invexprmsg[]    INIT(= N_("E449: Invalid expression received"));
1511 #endif
1512 #ifdef FEAT_NETBEANS_INTG
1513 EXTERN char_u e_guarded[]       INIT(= N_("E463: Region is guarded, cannot modify"));
1514 EXTERN char_u e_nbreadonly[]    INIT(= N_("E744: NetBeans does not allow changes in read-only files"));
1515 #endif
1516 EXTERN char_u e_intern2[]       INIT(= N_("E685: Internal error: %s"));
1517 EXTERN char_u e_maxmempat[]     INIT(= N_("E363: pattern uses more memory than 'maxmempattern'"));
1518 EXTERN char_u e_emptybuf[]      INIT(= N_("E749: empty buffer"));
1519
1520 #ifdef FEAT_EX_EXTRA
1521 EXTERN char_u e_invalpat[]      INIT(= N_("E682: Invalid search pattern or delimiter"));
1522 #endif
1523 EXTERN char_u e_bufloaded[]     INIT(= N_("E139: File is loaded in another buffer"));
1524 #if defined(FEAT_SYN_HL) || \
1525         (defined(FEAT_INS_EXPAND) && defined(FEAT_COMPL_FUNC))
1526 EXTERN char_u e_notset[]        INIT(= N_("E764: Option '%s' is not set"));
1527 #endif
1528
1529 #ifdef MACOS_X_UNIX
1530 EXTERN short disallow_gui       INIT(= FALSE);
1531 #endif
1532
1533 EXTERN char top_bot_msg[] INIT(= N_("search hit TOP, continuing at BOTTOM"));
1534 EXTERN char bot_top_msg[] INIT(= N_("search hit BOTTOM, continuing at TOP"));
1535
1536 /*
1537  * Comms. with the session manager (XSMP)
1538  */
1539 #ifdef USE_XSMP
1540 EXTERN int xsmp_icefd INIT(= -1);   /* The actual connection */
1541 #endif
1542
1543 /* For undo we need to know the lowest time possible. */
1544 EXTERN time_t starttime;
1545
1546 /*
1547  * Optional Farsi support.  Include it here, so EXTERN and INIT are defined.
1548  */
1549 #ifdef FEAT_FKMAP
1550 # include "farsi.h"
1551 #endif
1552
1553 /*
1554  * Optional Arabic support. Include it here, so EXTERN and INIT are defined.
1555  */
1556 #ifdef FEAT_ARABIC
1557 # include "arabic.h"
1558 #endif