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      need_clr_eos INIT(= FALSE); /* need to clear text before
 172                                                displaying a message. */
 173 EXTERN int      emsg_skip INIT(= 0);        /* don't display errors for
 174                                                expression that is skipped */
 175 EXTERN int      emsg_severe INIT(= FALSE);   /* use message of next of several
 176                                                emsg() calls for throw */
 177 EXTERN int      did_endif INIT(= FALSE);    /* just had ":endif" */
 178 #endif
 179 EXTERN int      did_emsg;                   /* set by emsg() when the message
 180                                                is displayed or thrown */
 181 EXTERN int      called_emsg;                /* always set by emsg() */
 182 EXTERN int      ex_exitval INIT(= 0);       /* exit value for ex mode */
 183 EXTERN int      emsg_on_display INIT(= FALSE);  /* there is an error message */
 184 EXTERN int      rc_did_emsg INIT(= FALSE);  /* vim_regcomp() called emsg() */
 185
 186 EXTERN int      no_wait_return INIT(= 0);   /* don't wait for return for now */
 187 EXTERN int      need_wait_return INIT(= 0); /* need to wait for return later */
 188 EXTERN int      did_wait_return INIT(= FALSE);  /* wait_return() was used and
 189                                                    nothing written since then */
 190 #ifdef FEAT_TITLE
 191 EXTERN int      need_maketitle INIT(= TRUE); /* call maketitle() soon */
 192 #endif
 193
 194 EXTERN int      quit_more INIT(= FALSE);    /* 'q' hit at "--more--" msg */
 195 #if defined(UNIX) || defined(__EMX__) || defined(VMS) || defined(MACOS_X)
 196 EXTERN int      newline_on_exit INIT(= FALSE);  /* did msg in altern. screen */
 197 EXTERN int      intr_char INIT(= 0);        /* extra interrupt character */
 198 #endif
 199 #if (defined(UNIX) || defined(VMS)) && defined(FEAT_X11)
 200 EXTERN int      x_no_connect INIT(= FALSE); /* don't connect to X server */
 201 # if defined(FEAT_CLIENTSERVER)
 202 EXTERN int      x_force_connect INIT(= FALSE); /* Do connect to X server.
 203                                                   Overrules x_no_connect and
 204                                                   "exclude" in 'clipboard'. */
 205 # endif
 206 #endif
 207 EXTERN int      ex_keep_indent INIT(= FALSE); /* getexmodeline(): keep indent */
 208 EXTERN int      vgetc_busy INIT(= 0);       /* when inside vgetc() then > 0 */
 209
 210 EXTERN int      didset_vim INIT(= FALSE);   /* did set $VIM ourselves */
 211 EXTERN int      didset_vimruntime INIT(= FALSE);   /* idem for $VIMRUNTIME */
 212
 213 /*
 214  * Lines left before a "more" message.  Ex mode needs to be able to reset this
 215  * after you type something.
 216  */
 217 EXTERN int      lines_left INIT(= -1);      /* lines left for listing */
 218 EXTERN int      msg_no_more INIT(= FALSE);  /* don't use more prompt, truncate
 219                                                messages */
 220
 221 EXTERN char_u   *sourcing_name INIT( = NULL);/* name of error message source */
 222 EXTERN linenr_T sourcing_lnum INIT(= 0);    /* line number of the source file */
 223
 224 #ifdef FEAT_EVAL
 225 EXTERN int      ex_nesting_level INIT(= 0);     /* nesting level */
 226 EXTERN int      debug_break_level INIT(= -1);   /* break below this level */
 227 EXTERN int      debug_did_msg INIT(= FALSE);    /* did "debug mode" message */
 228 EXTERN int      debug_tick INIT(= 0);           /* breakpoint change count */
 229 # ifdef FEAT_PROFILE
 230 EXTERN int      do_profiling INIT(= PROF_NONE); /* PROF_ values */
 231 # endif
 232
 233 /*
 234  * The exception currently being thrown.  Used to pass an exception to
 235  * a different cstack.  Also used for discarding an exception before it is
 236  * caught or made pending.  Only valid when did_throw is TRUE.
 237  */
 238 EXTERN except_T *current_exception;
 239
 240 /*
 241  * did_throw: An exception is being thrown.  Reset when the exception is caught
 242  * or as long as it is pending in a finally clause.
 243  */
 244 EXTERN int did_throw INIT(= FALSE);
 245
 246 /*
 247  * need_rethrow: set to TRUE when a throw that cannot be handled in do_cmdline()
 248  * must be propagated to the cstack of the previously called do_cmdline().
 249  */
 250 EXTERN int need_rethrow INIT(= FALSE);
 251
 252 /*
 253  * check_cstack: set to TRUE when a ":finish" or ":return" that cannot be
 254  * handled in do_cmdline() must be propagated to the cstack of the previously
 255  * called do_cmdline().
 256  */
 257 EXTERN int check_cstack INIT(= FALSE);
 258
 259 /*
 260  * Number of nested try conditionals (across function calls and ":source"
 261  * commands).
 262  */
 263 EXTERN int trylevel INIT(= 0);
 264
 265 /*
 266  * When "force_abort" is TRUE, always skip commands after an error message,
 267  * even after the outermost ":endif", ":endwhile" or ":endfor" or for a
 268  * function without the "abort" flag.  It is set to TRUE when "trylevel" is
 269  * non-zero (and ":silent!" was not used) or an exception is being thrown at
 270  * the time an error is detected.  It is set to FALSE when "trylevel" gets
 271  * zero again and there was no error or interrupt or throw.
 272  */
 273 EXTERN int force_abort INIT(= FALSE);
 274
 275 /*
 276  * "msg_list" points to a variable in the stack of do_cmdline() which keeps
 277  * the list of arguments of several emsg() calls, one of which is to be
 278  * converted to an error exception immediately after the failing command
 279  * returns.  The message to be used for the exception value is pointed to by
 280  * the "throw_msg" field of the first element in the list.  It is usually the
 281  * same as the "msg" field of that element, but can be identical to the "msg"
 282  * field of a later list element, when the "emsg_severe" flag was set when the
 283  * emsg() call was made.
 284  */
 285 EXTERN struct msglist **msg_list INIT(= NULL);
 286
 287 /*
 288  * suppress_errthrow: When TRUE, don't convert an error to an exception.  Used
 289  * when displaying the interrupt message or reporting an exception that is still
 290  * uncaught at the top level (which has already been discarded then).  Also used
 291  * for the error message when no exception can be thrown.
 292  */
 293 EXTERN int suppress_errthrow INIT(= FALSE);
 294
 295 /*
 296  * The stack of all caught and not finished exceptions.  The exception on the
 297  * top of the stack is the one got by evaluation of v:exception.  The complete
 298  * stack of all caught and pending exceptions is embedded in the various
 299  * cstacks; the pending exceptions, however, are not on the caught stack.
 300  */
 301 EXTERN except_T *caught_stack INIT(= NULL);
 302
 303 #endif
 304
 305 #ifdef FEAT_EVAL
 306 /*
 307  * Garbage collection can only take place when we are sure there are no Lists
 308  * or Dictionaries being used internally.  This is flagged with
 309  * "may_garbage_collect" when we are at the toplevel.
 310  * "want_garbage_collect" is set by the garbagecollect() function, which means
 311  * we do garbage collection before waiting for a char at the toplevel.
 312  * "garbage_collect_at_exit" indicates garbagecollect(1) was called.
 313  */
 314 EXTERN int      may_garbage_collect INIT(= FALSE);
 315 EXTERN int      want_garbage_collect INIT(= FALSE);
 316 EXTERN int      garbage_collect_at_exit INIT(= FALSE);
 317
 318 /* ID of script being sourced or was sourced to define the current function. */
 319 EXTERN scid_T   current_SID INIT(= 0);
 320 #endif
 321
 322 #if defined(FEAT_EVAL) || defined(FEAT_SYN_HL)
 323 /* Magic number used for hashitem "hi_key" value indicating a deleted item.
 324  * Only the address is used. */
 325 EXTERN char_u   hash_removed;
 326 #endif
 327
 328
 329 EXTERN int      scroll_region INIT(= FALSE); /* term supports scroll region */
 330 EXTERN int      t_colors INIT(= 0);         /* int value of T_CCO */
 331
 332 /*
 333  * When highlight_match is TRUE, highlight a match, starting at the cursor
 334  * position.  Search_match_lines is the number of lines after the match (0 for
 335  * a match within one line), search_match_endcol the column number of the
 336  * character just after the match in the last line.
 337  */
 338 EXTERN int      highlight_match INIT(= FALSE);  /* show search match pos */
 339 EXTERN linenr_T search_match_lines;             /* lines of of matched string */
 340 EXTERN colnr_T  search_match_endcol;            /* col nr of match end */
 341
 342 EXTERN int      no_smartcase INIT(= FALSE);     /* don't use 'smartcase' once */
 343
 344 EXTERN int      need_check_timestamps INIT(= FALSE); /* need to check file
 345                                                         timestamps asap */
 346 EXTERN int      did_check_timestamps INIT(= FALSE); /* did check timestamps
 347                                                        recently */
 348 EXTERN int      no_check_timestamps INIT(= 0);  /* Don't check timestamps */
 349
 350 EXTERN int      highlight_attr[HLF_COUNT];  /* Highl. attr for each context. */
 351 #ifdef FEAT_STL_OPT
 352 # define USER_HIGHLIGHT
 353 #endif
 354 #ifdef USER_HIGHLIGHT
 355 EXTERN int      highlight_user[9];              /* User[1-9] attributes */
 356 # ifdef FEAT_STL_OPT
 357 EXTERN int      highlight_stlnc[9];             /* On top of user */
 358 # endif
 359 #endif
 360 #ifdef FEAT_GUI
 361 EXTERN char_u   *use_gvimrc INIT(= NULL);       /* "-U" cmdline argument */
 362 #endif
 363 EXTERN int      cterm_normal_fg_color INIT(= 0);
 364 EXTERN int      cterm_normal_fg_bold INIT(= 0);
 365 EXTERN int      cterm_normal_bg_color INIT(= 0);
 366
 367 #ifdef FEAT_AUTOCMD
 368 EXTERN int      autocmd_busy INIT(= FALSE);     /* Is apply_autocmds() busy? */
 369 EXTERN int      autocmd_no_enter INIT(= FALSE); /* *Enter autocmds disabled */
 370 EXTERN int      autocmd_no_leave INIT(= FALSE); /* *Leave autocmds disabled */
 371 EXTERN int      modified_was_set;               /* did ":set modified" */
 372 EXTERN int      did_filetype INIT(= FALSE);     /* FileType event found */
 373 EXTERN int      keep_filetype INIT(= FALSE);    /* value for did_filetype when
 374                                                    starting to execute
 375                                                    autocommands */
 376
 377 /* When deleting the current buffer, another one must be loaded.  If we know
 378  * which one is preferred, au_new_curbuf is set to it */
 379 EXTERN buf_T    *au_new_curbuf INIT(= NULL);
 380 #endif
 381
 382 #ifdef FEAT_MOUSE
 383 /*
 384  * Mouse coordinates, set by check_termcode()
 385  */
 386 EXTERN int      mouse_row;
 387 EXTERN int      mouse_col;
 388 EXTERN int      mouse_past_bottom INIT(= FALSE);/* mouse below last line */
 389 EXTERN int      mouse_past_eol INIT(= FALSE);   /* mouse right of line */
 390 EXTERN int      mouse_dragging INIT(= 0);       /* extending Visual area with
 391                                                    mouse dragging */
 392 # if defined(FEAT_MOUSE_DEC)
 393 /*
 394  * When the DEC mouse has been pressed but not yet released we enable
 395  * automatic querys for the mouse position.
 396  */
 397 EXTERN int      WantQueryMouse INIT(= FALSE);
 398 # endif
 399
 400 # ifdef FEAT_GUI
 401 /* When the window layout is about to be changed, need_mouse_correct is set,
 402  * so that gui_mouse_correct() is called afterwards, to correct the mouse
 403  * pointer when focus-follow-mouse is being used. */
 404 EXTERN int      need_mouse_correct INIT(= FALSE);
 405
 406 /* When double clicking, topline must be the same */
 407 EXTERN linenr_T gui_prev_topline INIT(= 0);
 408 #  ifdef FEAT_DIFF
 409 EXTERN int      gui_prev_topfill INIT(= 0);
 410 #  endif
 411 # endif
 412
 413 # ifdef FEAT_MOUSESHAPE
 414 EXTERN int      drag_status_line INIT(= FALSE); /* dragging the status line */
 415 EXTERN int      postponed_mouseshape INIT(= FALSE); /* postponed updating the
 416                                                        mouse pointer shape */
 417 #  ifdef FEAT_VERTSPLIT
 418 EXTERN int      drag_sep_line INIT(= FALSE);    /* dragging vert separator */
 419 #  endif
 420 # endif
 421
 422 #endif
 423
 424 #ifdef FEAT_DIFF
 425 /* Value set from 'diffopt'. */
 426 EXTERN int      diff_context INIT(= 6);         /* context for folds */
 427 EXTERN int      diff_foldcolumn INIT(= 2);      /* 'foldcolumn' for diff mode */
 428 EXTERN int      diff_need_scrollbind INIT(= FALSE);
 429 #endif
 430
 431 #ifdef FEAT_MENU
 432 /* The root of the menu hierarchy. */
 433 EXTERN vimmenu_T        *root_menu INIT(= NULL);
 434 /*
 435  * While defining the system menu, sys_menu is TRUE.  This avoids
 436  * overruling of menus that the user already defined.
 437  */
 438 EXTERN int      sys_menu INIT(= FALSE);
 439 #endif
 440
 441 /* While redrawing the screen this flag is set.  It means the screen size
 442  * ('lines' and 'rows') must not be changed. */
 443 EXTERN int      updating_screen INIT(= FALSE);
 444
 445 #ifdef FEAT_GUI
 446 # ifdef FEAT_MENU
 447 /* Menu item just selected, set by check_termcode() */
 448 EXTERN vimmenu_T        *current_menu;
 449
 450 /* Set to TRUE after adding/removing menus to ensure they are updated */
 451 EXTERN int force_menu_update INIT(= FALSE);
 452 # endif
 453 # ifdef FEAT_GUI_TABLINE
 454 /* Tab in tab pages line just selected, set by check_termcode() */
 455 EXTERN int          current_tab;
 456
 457 /* Menu entry in tab pages line menu just selected, set by check_termcode() */
 458 EXTERN int          current_tabmenu;
 459 #  define TABLINE_MENU_CLOSE    1
 460 #  define TABLINE_MENU_NEW      2
 461 #  define TABLINE_MENU_OPEN     3
 462 # endif
 463
 464 /* Scrollbar moved and new value, set by check_termcode() */
 465 EXTERN int      current_scrollbar;
 466 EXTERN long_u   scrollbar_value;
 467
 468 /* found "-rv" or "-reverse" in command line args */
 469 EXTERN int      found_reverse_arg INIT(= FALSE);
 470
 471 /* "-fn" or "-font" command line argument */
 472 EXTERN char     *font_argument INIT(= NULL);
 473
 474 # ifdef FEAT_GUI_GTK
 475 /* "-bg" or "-background" command line argument */
 476 EXTERN char     *background_argument INIT(= NULL);
 477
 478 /* "-fg" or "-foreground" command line argument */
 479 EXTERN char     *foreground_argument INIT(= NULL);
 480 # endif
 481
 482 /*
 483  * While executing external commands or in Ex mode, should not insert GUI
 484  * events in the input buffer: Set hold_gui_events to non-zero.
 485  *
 486  * volatile because it is used in signal handler sig_sysmouse().
 487  */
 488 EXTERN volatile int hold_gui_events INIT(= 0);
 489
 490 /*
 491  * When resizing the shell is postponed, remember the new size, and call
 492  * gui_resize_shell() later.
 493  */
 494 EXTERN int      new_pixel_width INIT(= 0);
 495 EXTERN int      new_pixel_height INIT(= 0);
 496
 497 /* Window position from ":winpos", to be used when opening the GUI window. */
 498 EXTERN int      gui_win_x INIT(= -1);
 499 EXTERN int      gui_win_y INIT(= -1);
 500 #endif
 501
 502 #ifdef FEAT_CLIPBOARD
 503 EXTERN VimClipboard clip_star;  /* PRIMARY selection in X11 */
 504 # ifdef FEAT_X11
 505 EXTERN VimClipboard clip_plus;  /* CLIPBOARD selection in X11 */
 506 # else
 507 #  define clip_plus clip_star   /* there is only one clipboard */
 508 # endif
 509 EXTERN int      clip_unnamed INIT(= FALSE);
 510 EXTERN int      clip_autoselect INIT(= FALSE);
 511 EXTERN int      clip_autoselectml INIT(= FALSE);
 512 EXTERN int      clip_html INIT(= FALSE);
 513 EXTERN regprog_T *clip_exclude_prog INIT(= NULL);
 514 #endif
 515
 516 /*
 517  * All windows are linked in a list. firstwin points to the first entry,
 518  * lastwin to the last entry (can be the same as firstwin) and curwin to the
 519  * currently active window.
 520  * Without the FEAT_WINDOWS they are all equal.
 521  */
 522 #ifdef FEAT_WINDOWS
 523 EXTERN win_T    *firstwin;              /* first window */
 524 EXTERN win_T    *lastwin;               /* last window */
 525 EXTERN win_T    *prevwin INIT(= NULL);  /* previous window */
 526 # define W_NEXT(wp) ((wp)->w_next)
 527 # define FOR_ALL_WINDOWS(wp) for (wp = firstwin; wp != NULL; wp = wp->w_next)
 528 # define FOR_ALL_TAB_WINDOWS(tp, wp) \
 529     for ((tp) = first_tabpage; (tp) != NULL; (tp) = (tp)->tp_next) \
 530         for ((wp) = ((tp) == curtab) \
 531                 ? firstwin : (tp)->tp_firstwin; (wp); (wp) = (wp)->w_next)
 532 #else
 533 # define firstwin curwin
 534 # define lastwin curwin
 535 # define W_NEXT(wp) NULL
 536 # define FOR_ALL_WINDOWS(wp) wp = curwin;
 537 # define FOR_ALL_TAB_WINDOWS(tp, wp) wp = curwin;
 538 #endif
 539
 540 EXTERN win_T    *curwin;        /* currently active window */
 541
 542 #ifdef FEAT_AUTOCMD
 543 EXTERN win_T    *aucmd_win;     /* window used in aucmd_prepbuf() */
 544 EXTERN int      aucmd_win_used INIT(= FALSE);   /* aucmd_win is being used */
 545 #endif
 546
 547 /*
 548  * The window layout is kept in a tree of frames.  topframe points to the top
 549  * of the tree.
 550  */
 551 EXTERN frame_T  *topframe;      /* top of the window frame tree */
 552
 553 #ifdef FEAT_WINDOWS
 554 /*
 555  * Tab pages are alternative topframes.  "first_tabpage" points to the first
 556  * one in the list, "curtab" is the current one.
 557  */
 558 EXTERN tabpage_T    *first_tabpage;
 559 EXTERN tabpage_T    *curtab;
 560 EXTERN int          redraw_tabline INIT(= FALSE);  /* need to redraw tabline */
 561 #endif
 562
 563 /*
 564  * All buffers are linked in a list. 'firstbuf' points to the first entry,
 565  * 'lastbuf' to the last entry and 'curbuf' to the currently active buffer.
 566  */
 567 EXTERN buf_T    *firstbuf INIT(= NULL); /* first buffer */
 568 EXTERN buf_T    *lastbuf INIT(= NULL);  /* last buffer */
 569 EXTERN buf_T    *curbuf INIT(= NULL);   /* currently active buffer */
 570
 571 /* Flag that is set when switching off 'swapfile'.  It means that all blocks
 572  * are to be loaded into memory.  Shouldn't be global... */
 573 EXTERN int      mf_dont_release INIT(= FALSE);  /* don't release blocks */
 574
 575 /*
 576  * List of files being edited (global argument list).  curwin->w_alist points
 577  * to this when the window is using the global argument list.
 578  */
 579 EXTERN alist_T  global_alist;   /* global argument list */
 580 EXTERN int      arg_had_last INIT(= FALSE); /* accessed last file in
 581                                                global_alist */
 582
 583 EXTERN int      ru_col;         /* column for ruler */
 584 #ifdef FEAT_STL_OPT
 585 EXTERN int      ru_wid;         /* 'rulerfmt' width of ruler when non-zero */
 586 #endif
 587 EXTERN int      sc_col;         /* column for shown command */
 588
 589 #ifdef TEMPDIRNAMES
 590 EXTERN char_u   *vim_tempdir INIT(= NULL); /* Name of Vim's own temp dir.
 591                                               Ends in a slash. */
 592 #endif
 593
 594 /*
 595  * When starting or exiting some things are done differently (e.g. screen
 596  * updating).
 597  */
 598 EXTERN int      starting INIT(= NO_SCREEN);
 599                                 /* first NO_SCREEN, then NO_BUFFERS and then
 600                                  * set to 0 when starting up finished */
 601 EXTERN int      exiting INIT(= FALSE);
 602                                 /* TRUE when planning to exit Vim.  Might
 603                                  * still keep on running if there is a changed
 604                                  * buffer. */
 605 EXTERN int      really_exiting INIT(= FALSE);
 606                                 /* TRUE when we are sure to exit, e.g., after
 607                                  * a deadly signal */
 608 /* volatile because it is used in signal handler deathtrap(). */
 609 EXTERN volatile int full_screen INIT(= FALSE);
 610                                 /* TRUE when doing full-screen output
 611                                  * otherwise only writing some messages */
 612
 613 EXTERN int      restricted INIT(= FALSE);
 614                                 /* TRUE when started as "rvim" */
 615 EXTERN int      secure INIT(= FALSE);
 616                                 /* non-zero when only "safe" commands are
 617                                  * allowed, e.g. when sourcing .exrc or .vimrc
 618                                  * in current directory */
 619
 620 EXTERN int      textlock INIT(= 0);
 621                                 /* non-zero when changing text and jumping to
 622                                  * another window or buffer is not allowed */
 623
 624 #ifdef FEAT_AUTOCMD
 625 EXTERN int      curbuf_lock INIT(= 0);
 626                                 /* non-zero when the current buffer can't be
 627                                  * changed.  Used for FileChangedRO. */
 628 EXTERN int      allbuf_lock INIT(= 0);
 629                                 /* non-zero when no buffer name can be
 630                                  * changed, no buffer can be deleted and
 631                                  * current directory can't be changed.
 632                                  * Used for SwapExists et al. */
 633 #endif
 634 #ifdef FEAT_EVAL
 635 # define HAVE_SANDBOX
 636 EXTERN int      sandbox INIT(= 0);
 637                                 /* Non-zero when evaluating an expression in a
 638                                  * "sandbox".  Several things are not allowed
 639                                  * then. */
 640 #endif
 641
 642 EXTERN int      silent_mode INIT(= FALSE);
 643                                 /* set to TRUE when "-s" commandline argument
 644                                  * used for ex */
 645
 646 #ifdef FEAT_VISUAL
 647 EXTERN pos_T    VIsual;         /* start position of active Visual selection */
 648 EXTERN int      VIsual_active INIT(= FALSE);
 649                                 /* whether Visual mode is active */
 650 EXTERN int      VIsual_select INIT(= FALSE);
 651                                 /* whether Select mode is active */
 652 EXTERN int      VIsual_reselect;
 653                                 /* whether to restart the selection after a
 654                                  * Select mode mapping or menu */
 655
 656 EXTERN int      VIsual_mode INIT(= 'v');
 657                                 /* type of Visual mode */
 658
 659 EXTERN int      redo_VIsual_busy INIT(= FALSE);
 660                                 /* TRUE when redoing Visual */
 661 #endif
 662
 663 #ifdef FEAT_MOUSE
 664 /*
 665  * When pasting text with the middle mouse button in visual mode with
 666  * restart_edit set, remember where it started so we can set Insstart.
 667  */
 668 EXTERN pos_T    where_paste_started;
 669 #endif
 670
 671 /*
 672  * This flag is used to make auto-indent work right on lines where only a
 673  * <RETURN> or <ESC> is typed. It is set when an auto-indent is done, and
 674  * reset when any other editing is done on the line. If an <ESC> or <RETURN>
 675  * is received, and did_ai is TRUE, the line is truncated.
 676  */
 677 EXTERN int     did_ai INIT(= FALSE);
 678
 679 /*
 680  * Column of first char after autoindent.  0 when no autoindent done.  Used
 681  * when 'backspace' is 0, to avoid backspacing over autoindent.
 682  */
 683 EXTERN colnr_T  ai_col INIT(= 0);
 684
 685 #ifdef FEAT_COMMENTS
 686 /*
 687  * This is a character which will end a start-middle-end comment when typed as
 688  * the first character on a new line.  It is taken from the last character of
 689  * the "end" comment leader when the COM_AUTO_END flag is given for that
 690  * comment end in 'comments'.  It is only valid when did_ai is TRUE.
 691  */
 692 EXTERN int     end_comment_pending INIT(= NUL);
 693 #endif
 694
 695 #ifdef FEAT_SCROLLBIND
 696 /*
 697  * This flag is set after a ":syncbind" to let the check_scrollbind() function
 698  * know that it should not attempt to perform scrollbinding due to the scroll
 699  * that was a result of the ":syncbind." (Otherwise, check_scrollbind() will
 700  * undo some of the work done by ":syncbind.")  -ralston
 701  */
 702 EXTERN int     did_syncbind INIT(= FALSE);
 703 #endif
 704
 705 #ifdef FEAT_SMARTINDENT
 706 /*
 707  * This flag is set when a smart indent has been performed. When the next typed
 708  * character is a '{' the inserted tab will be deleted again.
 709  */
 710 EXTERN int      did_si INIT(= FALSE);
 711
 712 /*
 713  * This flag is set after an auto indent. If the next typed character is a '}'
 714  * one indent will be removed.
 715  */
 716 EXTERN int      can_si INIT(= FALSE);
 717
 718 /*
 719  * This flag is set after an "O" command. If the next typed character is a '{'
 720  * one indent will be removed.
 721  */
 722 EXTERN int      can_si_back INIT(= FALSE);
 723 #endif
 724
 725 EXTERN pos_T    saved_cursor            /* w_cursor before formatting text. */
 726 # ifdef DO_INIT
 727         = INIT_POS_T(0, 0, 0)
 728 # endif
 729         ;
 730
 731 /*
 732  * Stuff for insert mode.
 733  */
 734 EXTERN pos_T    Insstart;               /* This is where the latest
 735                                          * insert/append mode started. */
 736 #ifdef FEAT_VREPLACE
 737 /*
 738  * Stuff for VREPLACE mode.
 739  */
 740 EXTERN int      orig_line_count INIT(= 0);  /* Line count when "gR" started */
 741 EXTERN int      vr_lines_changed INIT(= 0); /* #Lines changed by "gR" so far */
 742 #endif
 743
 744 #if defined(FEAT_X11) && defined(FEAT_XCLIPBOARD)
 745 /* argument to SETJMP() for handling X IO errors */
 746 EXTERN JMP_BUF x_jump_env;
 747 #endif
 748
 749 #if defined(HAVE_SETJMP_H)
 750 /*
 751  * Stuff for setjmp() and longjmp().
 752  * Used to protect areas where we could crash.
 753  */
 754 EXTERN JMP_BUF lc_jump_env;     /* argument to SETJMP() */
 755 # ifdef SIGHASARG
 756 /* volatile because it is used in signal handlers. */
 757 EXTERN volatile int lc_signal;  /* caught signal number, 0 when no was signal
 758                                    caught; used for mch_libcall() */
 759 # endif
 760 /* volatile because it is used in signal handler deathtrap(). */
 761 EXTERN volatile int lc_active INIT(= FALSE); /* TRUE when lc_jump_env is valid. */
 762 #endif
 763
 764 #if defined(FEAT_MBYTE) || defined(FEAT_POSTSCRIPT)
 765 /*
 766  * These flags are set based upon 'fileencoding'.
 767  * Note that "enc_utf8" is also set for "unicode", because the characters are
 768  * internally stored as UTF-8 (to avoid trouble with NUL bytes).
 769  */
 770 # define DBCS_JPN       932     /* japan */
 771 # define DBCS_JPNU      9932    /* euc-jp */
 772 # define DBCS_KOR       949     /* korea */
 773 # define DBCS_KORU      9949    /* euc-kr */
 774 # define DBCS_CHS       936     /* chinese */
 775 # define DBCS_CHSU      9936    /* euc-cn */
 776 # define DBCS_CHT       950     /* taiwan */
 777 # define DBCS_CHTU      9950    /* euc-tw */
 778 # define DBCS_2BYTE     1       /* 2byte- */
 779 # define DBCS_DEBUG     -1
 780 #endif
 781
 782 #ifdef FEAT_MBYTE
 783 EXTERN int      enc_dbcs INIT(= 0);             /* One of DBCS_xxx values if
 784                                                    DBCS encoding */
 785 EXTERN int      enc_unicode INIT(= 0);  /* 2: UCS-2 or UTF-16, 4: UCS-4 */
 786 EXTERN int      enc_utf8 INIT(= FALSE);         /* UTF-8 encoded Unicode */
 787 EXTERN int      enc_latin1like INIT(= TRUE);    /* 'encoding' is latin1 comp. */
 788 # ifdef WIN3264
 789 /* Codepage nr of 'encoding'.  Negative means it's not been set yet, zero
 790  * means 'encoding' is not a valid codepage. */
 791 EXTERN int      enc_codepage INIT(= -1);
 792 EXTERN int      enc_latin9 INIT(= FALSE);       /* 'encoding' is latin9 */
 793 # endif
 794 EXTERN int      has_mbyte INIT(= 0);            /* any multi-byte encoding */
 795
 796 #if defined(WIN3264) && defined(FEAT_MBYTE)
 797 EXTERN int      wide_WindowProc INIT(= FALSE);  /* use wide WindowProc() */
 798 #endif
 799
 800 /*
 801  * To speed up BYTELEN() we fill a table with the byte lengths whenever
 802  * enc_utf8 or enc_dbcs changes.
 803  */
 804 EXTERN char     mb_bytelen_tab[256];
 805
 806 /* Variables that tell what conversion is used for keyboard input and display
 807  * output. */
 808 EXTERN vimconv_T input_conv;                    /* type of input conversion */
 809 EXTERN vimconv_T output_conv;                   /* type of output conversion */
 810
 811 /*
 812  * Function pointers, used to quickly get to the right function.  Each has
 813  * three possible values: latin_ (8-bit), utfc_ or utf_ (utf-8) and dbcs_
 814  * (DBCS).
 815  * The value is set in mb_init();
 816  */
 817 /* length of char in bytes, including following composing chars */
 818 EXTERN int (*mb_ptr2len) __ARGS((char_u *p)) INIT(= latin_ptr2len);
 819 /* idem, with limit on string length */
 820 EXTERN int (*mb_ptr2len_len) __ARGS((char_u *p, int size)) INIT(= latin_ptr2len_len);
 821 /* byte length of char */
 822 EXTERN int (*mb_char2len) __ARGS((int c)) INIT(= latin_char2len);
 823 /* convert char to bytes, return the length */
 824 EXTERN int (*mb_char2bytes) __ARGS((int c, char_u *buf)) INIT(= latin_char2bytes);
 825 EXTERN int (*mb_ptr2cells) __ARGS((char_u *p)) INIT(= latin_ptr2cells);
 826 EXTERN int (*mb_ptr2cells_len) __ARGS((char_u *p, int size)) INIT(= latin_ptr2cells_len);
 827 EXTERN int (*mb_char2cells) __ARGS((int c)) INIT(= latin_char2cells);
 828 EXTERN int (*mb_off2cells) __ARGS((unsigned off, unsigned max_off)) INIT(= latin_off2cells);
 829 EXTERN int (*mb_ptr2char) __ARGS((char_u *p)) INIT(= latin_ptr2char);
 830 EXTERN int (*mb_head_off) __ARGS((char_u *base, char_u *p)) INIT(= latin_head_off);
 831
 832 # if defined(USE_ICONV) && defined(DYNAMIC_ICONV)
 833 /* Pointers to functions and variables to be loaded at runtime */
 834 EXTERN size_t (*iconv) (iconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft);
 835 EXTERN iconv_t (*iconv_open) (const char *tocode, const char *fromcode);
 836 EXTERN int (*iconv_close) (iconv_t cd);
 837 EXTERN int (*iconvctl) (iconv_t cd, int request, void *argument);
 838 EXTERN int* (*iconv_errno) (void);
 839 # endif
 840
 841 #endif /* FEAT_MBYTE */
 842
 843 #ifdef FEAT_XIM
 844 # if defined(FEAT_GUI_GTK) || defined (FEAT_GUI_MACVIM)
 845 #  ifdef HAVE_GTK2
 846 EXTERN GtkIMContext     *xic INIT(= NULL);
 847 #  elif !defined(FEAT_GUI_MACVIM)
 848 EXTERN GdkICAttr        *xic_attr INIT(= NULL);
 849 EXTERN GdkIC            *xic INIT(= NULL);
 850 EXTERN char             *draw_feedback INIT(= NULL);
 851 #  endif
 852 /*
 853  * Start and end column of the preedit area in virtual columns from the start
 854  * of the text line.  When there is no preedit area they are set to MAXCOL.
 855  * "preedit_end_col" is needed for coloring the preedited string.  Drawing the
 856  * color between "preedit_start_col" and curpos did not work, because some XIM
 857  * set the cursor position to the first char of the string.
 858  */
 859 EXTERN colnr_T          preedit_start_col INIT(= MAXCOL);
 860 EXTERN colnr_T          preedit_end_col INIT(= MAXCOL);
 861
 862 /* "xim_changed_while_preediting" is set when changed() can set the 'modified'
 863  * flag even while preediting. */
 864 EXTERN int              xim_changed_while_preediting INIT(= FALSE);
 865 # else
 866 EXTERN XIC              xic INIT(= NULL);
 867 # endif
 868 # ifdef FEAT_GUI
 869 EXTERN guicolor_T       xim_fg_color INIT(= INVALCOLOR);
 870 EXTERN guicolor_T       xim_bg_color INIT(= INVALCOLOR);
 871 # endif
 872 #endif
 873
 874 #ifdef FEAT_HANGULIN
 875 EXTERN int              composing_hangul INIT(= 0);
 876 EXTERN char_u           composing_hangul_buffer[5];
 877 #endif
 878
 879 /*
 880  * "State" is the main state of Vim.
 881  * There are other variables that modify the state:
 882  * "Visual_mode"    When State is NORMAL or INSERT.
 883  * "finish_op"      When State is NORMAL, after typing the operator and before
 884  *                  typing the motion command.
 885  */
 886 EXTERN int      State INIT(= NORMAL);   /* This is the current state of the
 887                                          * command interpreter. */
 888
 889 EXTERN int      finish_op INIT(= FALSE);/* TRUE while an operator is pending */
 890 EXTERN int      opcount INIT(= 0);      /* count for pending operator */
 891
 892 /*
 893  * ex mode (Q) state
 894  */
 895 EXTERN int exmode_active INIT(= 0);     /* zero, EXMODE_NORMAL or EXMODE_VIM */
 896 EXTERN int ex_no_reprint INIT(= FALSE); /* no need to print after z or p */
 897
 898 EXTERN int Recording INIT(= FALSE);     /* TRUE when recording into a reg. */
 899 EXTERN int Exec_reg INIT(= FALSE);      /* TRUE when executing a register */
 900
 901 EXTERN int no_mapping INIT(= FALSE);    /* currently no mapping allowed */
 902 EXTERN int no_zero_mapping INIT(= 0);   /* mapping zero not allowed */
 903 EXTERN int allow_keys INIT(= FALSE);    /* allow key codes when no_mapping
 904                                          * is set */
 905 EXTERN int no_u_sync INIT(= 0);         /* Don't call u_sync() */
 906
 907 EXTERN int restart_edit INIT(= 0);      /* call edit when next cmd finished */
 908 EXTERN int arrow_used;                  /* Normally FALSE, set to TRUE after
 909                                          * hitting cursor key in insert mode.
 910                                          * Used by vgetorpeek() to decide when
 911                                          * to call u_sync() */
 912 EXTERN int      ins_at_eol INIT(= FALSE); /* put cursor after eol when
 913                                            restarting edit after CTRL-O */
 914 #ifdef FEAT_INS_EXPAND
 915 EXTERN char_u   *edit_submode INIT(= NULL); /* msg for CTRL-X submode */
 916 EXTERN char_u   *edit_submode_pre INIT(= NULL); /* prepended to edit_submode */
 917 EXTERN char_u   *edit_submode_extra INIT(= NULL);/* appended to edit_submode */
 918 EXTERN hlf_T    edit_submode_highl;     /* highl. method for extra info */
 919 EXTERN int      ctrl_x_mode INIT(= 0);  /* Which Ctrl-X mode are we in? */
 920 #endif
 921
 922 EXTERN int      no_abbr INIT(= TRUE);   /* TRUE when no abbreviations loaded */
 923 #ifdef MSDOS
 924 EXTERN int      beep_count INIT(= 0);   /* nr of beeps since last char typed */
 925 #endif
 926
 927 #ifdef USE_EXE_NAME
 928 EXTERN char_u   *exe_name;              /* the name of the executable */
 929 #endif
 930
 931 #ifdef USE_ON_FLY_SCROLL
 932 EXTERN int      dont_scroll INIT(= FALSE);/* don't use scrollbars when TRUE */
 933 #endif
 934 EXTERN int      mapped_ctrl_c INIT(= FALSE); /* CTRL-C is mapped */
 935 EXTERN int      ctrl_c_interrupts INIT(= TRUE); /* CTRL-C sets got_int */
 936
 937 EXTERN cmdmod_T cmdmod;                 /* Ex command modifiers */
 938
 939 EXTERN int      msg_silent INIT(= 0);   /* don't print messages */
 940 EXTERN int      emsg_silent INIT(= 0);  /* don't print error messages */
 941 EXTERN int      cmd_silent INIT(= FALSE); /* don't echo the command line */
 942
 943 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) \
 944         || defined(FEAT_AUTOCMD)
 945 # define HAS_SWAP_EXISTS_ACTION
 946 EXTERN int      swap_exists_action INIT(= SEA_NONE);
 947                                         /* For dialog when swap file already
 948                                          * exists. */
 949 EXTERN int      swap_exists_did_quit INIT(= FALSE);
 950                                         /* Selected "quit" at the dialog. */
 951 #endif
 952
 953 EXTERN char_u   *IObuff;                /* sprintf's are done in this buffer,
 954                                            size is IOSIZE */
 955 EXTERN char_u   *NameBuff;              /* file names are expanded in this
 956                                          * buffer, size is MAXPATHL */
 957 EXTERN char_u   msg_buf[MSG_BUF_LEN];   /* small buffer for messages */
 958
 959 /* When non-zero, postpone redrawing. */
 960 EXTERN int      RedrawingDisabled INIT(= 0);
 961
 962 EXTERN int      readonlymode INIT(= FALSE); /* Set to TRUE for "view" */
 963 EXTERN int      recoverymode INIT(= FALSE); /* Set to TRUE for "-r" option */
 964
 965 EXTERN struct buffheader stuffbuff      /* stuff buffer */
 966 #ifdef DO_INIT
 967                     = {{NULL, {NUL}}, NULL, 0, 0}
 968 #endif
 969                     ;
 970 EXTERN typebuf_T typebuf                /* typeahead buffer */
 971 #ifdef DO_INIT
 972                     = {NULL, NULL, 0, 0, 0, 0, 0, 0, 0}
 973 #endif
 974                     ;
 975 #ifdef FEAT_EX_EXTRA
 976 EXTERN int      ex_normal_busy INIT(= 0); /* recursiveness of ex_normal() */
 977 EXTERN int      ex_normal_lock INIT(= 0); /* forbid use of ex_normal() */
 978 #endif
 979 #ifdef FEAT_EVAL
 980 EXTERN int      ignore_script INIT(= FALSE);  /* ignore script input */
 981 #endif
 982 EXTERN int      stop_insert_mode;       /* for ":stopinsert" and 'insertmode' */
 983
 984 EXTERN int      KeyTyped;               /* TRUE if user typed current char */
 985 EXTERN int      KeyStuffed;             /* TRUE if current char from stuffbuf */
 986 #ifdef USE_IM_CONTROL
 987 EXTERN int      vgetc_im_active;        /* Input Method was active for last
 988                                            character obtained from vgetc() */
 989 #endif
 990 EXTERN int      maptick INIT(= 0);      /* tick for each non-mapped char */
 991
 992 EXTERN char_u   chartab[256];           /* table used in charset.c; See
 993                                            init_chartab() for explanation */
 994
 995 EXTERN int      must_redraw INIT(= 0);      /* type of redraw necessary */
 996 EXTERN int      skip_redraw INIT(= FALSE);  /* skip redraw once */
 997 EXTERN int      do_redraw INIT(= FALSE);    /* extra redraw once */
 998
 999 EXTERN int      need_highlight_changed INIT(= TRUE);
1000 EXTERN char_u   *use_viminfo INIT(= NULL);  /* name of viminfo file to use */
1001
1002 #define NSCRIPT 15
1003 EXTERN FILE     *scriptin[NSCRIPT];         /* streams to read script from */
1004 EXTERN int      curscript INIT(= 0);        /* index in scriptin[] */
1005 EXTERN FILE     *scriptout  INIT(= NULL);   /* stream to write script to */
1006 EXTERN int      read_cmd_fd INIT(= 0);      /* fd to read commands from */
1007
1008 /* volatile because it is used in signal handler catch_sigint(). */
1009 EXTERN volatile int got_int INIT(= FALSE);    /* set to TRUE when interrupt
1010                                                 signal occurred */
1011 #ifdef USE_TERM_CONSOLE
1012 EXTERN int      term_console INIT(= FALSE); /* set to TRUE when console used */
1013 #endif
1014 EXTERN int      termcap_active INIT(= FALSE);   /* set by starttermcap() */
1015 EXTERN int      cur_tmode INIT(= TMODE_COOK);   /* input terminal mode */
1016 EXTERN int      bangredo INIT(= FALSE);     /* set to TRUE with ! command */
1017 EXTERN int      searchcmdlen;               /* length of previous search cmd */
1018 #ifdef FEAT_SYN_HL
1019 EXTERN int      reg_do_extmatch INIT(= 0);  /* Used when compiling regexp:
1020                                              * REX_SET to allow \z\(...\),
1021                                              * REX_USE to allow \z\1 et al. */
1022 EXTERN reg_extmatch_T *re_extmatch_in INIT(= NULL); /* Used by vim_regexec():
1023                                              * strings for \z\1...\z\9 */
1024 EXTERN reg_extmatch_T *re_extmatch_out INIT(= NULL); /* Set by vim_regexec()
1025                                              * to store \z\(...\) matches */
1026 #endif
1027
1028 EXTERN int      did_outofmem_msg INIT(= FALSE);
1029                                             /* set after out of memory msg */
1030 EXTERN int      did_swapwrite_msg INIT(= FALSE);
1031                                             /* set after swap write error msg */
1032 EXTERN int      undo_off INIT(= FALSE);     /* undo switched off for now */
1033 EXTERN int      global_busy INIT(= 0);      /* set when :global is executing */
1034 EXTERN int      listcmd_busy INIT(= FALSE); /* set when :argdo, :windo or
1035                                                :bufdo is executing */
1036 EXTERN int      need_start_insertmode INIT(= FALSE);
1037                                             /* start insert mode soon */
1038 EXTERN char_u   *last_cmdline INIT(= NULL); /* last command line (for ":) */
1039 EXTERN char_u   *repeat_cmdline INIT(= NULL); /* command line for "." */
1040 #ifdef FEAT_CMDHIST
1041 EXTERN char_u   *new_last_cmdline INIT(= NULL); /* new value for last_cmdline */
1042 #endif
1043 #ifdef FEAT_AUTOCMD
1044 EXTERN char_u   *autocmd_fname INIT(= NULL); /* fname for <afile> on cmdline */
1045 EXTERN int      autocmd_fname_full;          /* autocmd_fname is full path */
1046 EXTERN int      autocmd_bufnr INIT(= 0);     /* fnum for <abuf> on cmdline */
1047 EXTERN char_u   *autocmd_match INIT(= NULL); /* name for <amatch> on cmdline */
1048 EXTERN int      did_cursorhold INIT(= FALSE); /* set when CursorHold t'gerd */
1049 EXTERN pos_T    last_cursormoved            /* for CursorMoved event */
1050 # ifdef DO_INIT
1051                         = INIT_POS_T(0, 0, 0)
1052 # endif
1053                         ;
1054 #endif
1055
1056 EXTERN linenr_T write_no_eol_lnum INIT(= 0); /* non-zero lnum when last line
1057                                                 of next binary write should
1058                                                 not have an end-of-line */
1059
1060 #ifdef FEAT_WINDOWS
1061 EXTERN int      postponed_split INIT(= 0);  /* for CTRL-W CTRL-] command */
1062 EXTERN int      postponed_split_flags INIT(= 0);  /* args for win_split() */
1063 EXTERN int      postponed_split_tab INIT(= 0);  /* cmdmod.tab */
1064 # ifdef FEAT_QUICKFIX
1065 EXTERN int      g_do_tagpreview INIT(= 0);  /* for tag preview commands:
1066                                                height of preview window */
1067 # endif
1068 #endif
1069 EXTERN int      replace_offset INIT(= 0);   /* offset for replace_push() */
1070
1071 EXTERN char_u   *escape_chars INIT(= (char_u *)" \t\\\"|");
1072                                             /* need backslash in cmd line */
1073
1074 EXTERN int      keep_help_flag INIT(= FALSE); /* doing :ta from help file */
1075
1076 /*
1077  * When a string option is NULL (which only happens in out-of-memory
1078  * situations), it is set to empty_option, to avoid having to check for NULL
1079  * everywhere.
1080  */
1081 EXTERN char_u   *empty_option INIT(= (char_u *)"");
1082
1083 EXTERN int  redir_off INIT(= FALSE);    /* no redirection for a moment */
1084 EXTERN FILE *redir_fd INIT(= NULL);     /* message redirection file */
1085 #ifdef FEAT_EVAL
1086 EXTERN int  redir_reg INIT(= 0);        /* message redirection register */
1087 EXTERN int  redir_vname INIT(= 0);      /* message redirection variable */
1088 #endif
1089
1090 #ifdef FEAT_LANGMAP
1091 EXTERN char_u   langmap_mapchar[256];   /* mapping for language keys */
1092 #endif
1093
1094 #ifdef FEAT_WILDMENU
1095 EXTERN int  save_p_ls INIT(= -1);       /* Save 'laststatus' setting */
1096 EXTERN int  save_p_wmh INIT(= -1);      /* Save 'winminheight' setting */
1097 EXTERN int  wild_menu_showing INIT(= 0);
1098 #define WM_SHOWN        1               /* wildmenu showing */
1099 #define WM_SCROLLED     2               /* wildmenu showing with scroll */
1100 #endif
1101
1102 #ifdef MSWIN
1103 EXTERN char_u   toupper_tab[256];       /* table for toupper() */
1104 EXTERN char_u   tolower_tab[256];       /* table for tolower() */
1105 #endif
1106
1107 #ifdef FEAT_LINEBREAK
1108 EXTERN char     breakat_flags[256];     /* which characters are in 'breakat' */
1109 #endif
1110
1111 /* these are in version.c */
1112 extern char *Version;
1113 #if defined(HAVE_DATE_TIME) && defined(VMS) && defined(VAXC)
1114 extern char longVersion[];
1115 #else
1116 extern char *longVersion;
1117 #endif
1118
1119 /*
1120  * Some file names are stored in pathdef.c, which is generated from the
1121  * Makefile to make their value depend on the Makefile.
1122  */
1123 #ifdef HAVE_PATHDEF
1124 extern char_u *default_vim_dir;
1125 extern char_u *default_vimruntime_dir;
1126 extern char_u *all_cflags;
1127 extern char_u *all_lflags;
1128 # ifdef VMS
1129 extern char_u *compiler_version;
1130 extern char_u *compiled_arch;
1131 # endif
1132 extern char_u *compiled_user;
1133 extern char_u *compiled_sys;
1134 #endif
1135
1136 /* When a window has a local directory, the absolute path of the global
1137  * current directory is stored here (in allocated memory).  If the current
1138  * directory is not a local directory, globaldir is NULL. */
1139 EXTERN char_u   *globaldir INIT(= NULL);
1140
1141 /* Characters from 'listchars' option */
1142 EXTERN int      lcs_eol INIT(= '$');
1143 EXTERN int      lcs_ext INIT(= NUL);
1144 EXTERN int      lcs_prec INIT(= NUL);
1145 EXTERN int      lcs_nbsp INIT(= NUL);
1146 EXTERN int      lcs_tab1 INIT(= NUL);
1147 EXTERN int      lcs_tab2 INIT(= NUL);
1148 EXTERN int      lcs_trail INIT(= NUL);
1149
1150 #if defined(FEAT_WINDOWS) || defined(FEAT_WILDMENU) || defined(FEAT_STL_OPT) \
1151         || defined(FEAT_FOLDING)
1152 /* Characters from 'fillchars' option */
1153 EXTERN int      fill_stl INIT(= ' ');
1154 EXTERN int      fill_stlnc INIT(= ' ');
1155 #endif
1156 #if defined(FEAT_WINDOWS) || defined(FEAT_FOLDING)
1157 EXTERN int      fill_vert INIT(= ' ');
1158 EXTERN int      fill_fold INIT(= '-');
1159 EXTERN int      fill_diff INIT(= '-');
1160 #endif
1161
1162 #ifdef FEAT_VISUAL
1163 /* Whether 'keymodel' contains "stopsel" and "startsel". */
1164 EXTERN int      km_stopsel INIT(= FALSE);
1165 EXTERN int      km_startsel INIT(= FALSE);
1166 #endif
1167
1168 #ifdef FEAT_CMDWIN
1169 EXTERN int      cedit_key INIT(= -1);   /* key value of 'cedit' option */
1170 EXTERN int      cmdwin_type INIT(= 0);  /* type of cmdline window or 0 */
1171 EXTERN int      cmdwin_result INIT(= 0); /* result of cmdline window or 0 */
1172 #endif
1173
1174 EXTERN char_u no_lines_msg[]    INIT(= N_("--No lines in buffer--"));
1175
1176 /*
1177  * When ":global" is used to number of substitutions and changed lines is
1178  * accumulated until it's finished.
1179  * Also used for ":spellrepall".
1180  */
1181 EXTERN long     sub_nsubs;      /* total number of substitutions */
1182 EXTERN linenr_T sub_nlines;     /* total number of lines changed */
1183
1184 /* table to store parsed 'wildmode' */
1185 EXTERN char_u   wim_flags[4];
1186
1187 #if defined(FEAT_TITLE) && defined(FEAT_STL_OPT)
1188 /* whether titlestring and iconstring contains statusline syntax */
1189 # define STL_IN_ICON    1
1190 # define STL_IN_TITLE   2
1191 EXTERN int      stl_syntax INIT(= 0);
1192 #endif
1193
1194 #ifdef FEAT_SEARCH_EXTRA
1195 /* don't use 'hlsearch' temporarily */
1196 EXTERN int      no_hlsearch INIT(= FALSE);
1197 #endif
1198
1199 #if defined(FEAT_BEVAL) && !defined(NO_X11_INCLUDES)
1200 EXTERN BalloonEval      *balloonEval INIT(= NULL);
1201 # if defined(FEAT_NETBEANS_INTG) || defined(FEAT_SUN_WORKSHOP)
1202 EXTERN int bevalServers INIT(= 0);
1203 #  define BEVAL_NETBEANS                0x01
1204 #  define BEVAL_WORKSHOP                0x02
1205 # endif
1206 #endif
1207
1208 #ifdef CURSOR_SHAPE
1209 /* the table is in misc2.c, because of initializations */
1210 extern cursorentry_T shape_table[SHAPE_IDX_COUNT];
1211 #endif
1212
1213 #ifdef FEAT_PRINTER
1214 /*
1215  * Printer stuff shared between hardcopy.c and machine-specific printing code.
1216  */
1217 # define OPT_PRINT_TOP          0
1218 # define OPT_PRINT_BOT          1
1219 # define OPT_PRINT_LEFT         2
1220 # define OPT_PRINT_RIGHT        3
1221 # define OPT_PRINT_HEADERHEIGHT 4
1222 # define OPT_PRINT_SYNTAX       5
1223 # define OPT_PRINT_NUMBER       6
1224 # define OPT_PRINT_WRAP         7
1225 # define OPT_PRINT_DUPLEX       8
1226 # define OPT_PRINT_PORTRAIT     9
1227 # define OPT_PRINT_PAPER        10
1228 # define OPT_PRINT_COLLATE      11
1229 # define OPT_PRINT_JOBSPLIT     12
1230 # define OPT_PRINT_FORMFEED     13
1231
1232 # define OPT_PRINT_NUM_OPTIONS  14
1233
1234 EXTERN option_table_T printer_opts[OPT_PRINT_NUM_OPTIONS]
1235 # ifdef DO_INIT
1236  =
1237 {
1238     {"top",     TRUE, 0, NULL, 0, FALSE},
1239     {"bottom",  TRUE, 0, NULL, 0, FALSE},
1240     {"left",    TRUE, 0, NULL, 0, FALSE},
1241     {"right",   TRUE, 0, NULL, 0, FALSE},
1242     {"header",  TRUE, 0, NULL, 0, FALSE},
1243     {"syntax",  FALSE, 0, NULL, 0, FALSE},
1244     {"number",  FALSE, 0, NULL, 0, FALSE},
1245     {"wrap",    FALSE, 0, NULL, 0, FALSE},
1246     {"duplex",  FALSE, 0, NULL, 0, FALSE},
1247     {"portrait", FALSE, 0, NULL, 0, FALSE},
1248     {"paper",   FALSE, 0, NULL, 0, FALSE},
1249     {"collate", FALSE, 0, NULL, 0, FALSE},
1250     {"jobsplit", FALSE, 0, NULL, 0, FALSE},
1251     {"formfeed", FALSE, 0, NULL, 0, FALSE},
1252 }
1253 # endif
1254 ;
1255
1256 /* For prt_get_unit(). */
1257 # define PRT_UNIT_NONE  -1
1258 # define PRT_UNIT_PERC  0
1259 # define PRT_UNIT_INCH  1
1260 # define PRT_UNIT_MM    2
1261 # define PRT_UNIT_POINT 3
1262 # define PRT_UNIT_NAMES {"pc", "in", "mm", "pt"}
1263 #endif
1264
1265 #if (defined(FEAT_PRINTER) && defined(FEAT_STL_OPT)) \
1266             || defined(FEAT_GUI_TABLINE)
1267 /* Page number used for %N in 'pageheader' and 'guitablabel'. */
1268 EXTERN linenr_T printer_page_num;
1269 #endif
1270
1271 #ifdef FEAT_XCLIPBOARD
1272 EXTERN char     *xterm_display INIT(= NULL);    /* xterm display name; points
1273                                                    into argv[] */
1274 EXTERN Display  *xterm_dpy INIT(= NULL);        /* xterm display pointer */
1275 #endif
1276 #if defined(FEAT_XCLIPBOARD) || defined(FEAT_GUI_X11)
1277 EXTERN XtAppContext app_context INIT(= (XtAppContext)NULL);
1278 #endif
1279
1280 #ifdef FEAT_GUI_GTK
1281 EXTERN guint32  gtk_socket_id INIT(= 0);
1282 EXTERN int      echo_wid_arg INIT(= FALSE);     /* --echo-wid argument */
1283 #endif
1284
1285 #ifdef FEAT_GUI_W32
1286 /*
1287  * The value of the --windowid argument.
1288  * For embedding gvim inside another application.
1289  */
1290 EXTERN long_u   win_socket_id INIT(= 0);
1291 #endif
1292
1293 #if defined(FEAT_CLIENTSERVER) || defined(FEAT_EVAL)
1294 EXTERN int      typebuf_was_filled INIT(= FALSE); /* received text from client
1295                                                      or from feedkeys() */
1296 #endif
1297
1298 #ifdef FEAT_CLIENTSERVER
1299 EXTERN char_u   *serverName INIT(= NULL);       /* name of the server */
1300 # ifdef FEAT_X11
1301 EXTERN Window   commWindow INIT(= None);
1302 EXTERN Window   clientWindow INIT(= None);
1303 EXTERN Atom     commProperty INIT(= None);
1304 EXTERN char_u   *serverDelayedStartName INIT(= NULL);
1305 # elif defined(WIN32)
1306 # ifdef PROTO
1307 typedef int HWND;
1308 # endif
1309 EXTERN HWND     clientWindow INIT(= 0);
1310 # elif defined(MAC_CLIENTSERVER)
1311 EXTERN int      clientWindow INIT(= 0);
1312 # endif
1313 #endif
1314
1315 #if defined(UNIX) || defined(VMS)
1316 EXTERN int      term_is_xterm INIT(= FALSE);    /* xterm-like 'term' */
1317 #endif
1318
1319 #ifdef BACKSLASH_IN_FILENAME
1320 EXTERN char     psepc INIT(= '\\');     /* normal path separator character */
1321 EXTERN char     psepcN INIT(= '/');     /* abnormal path separator character */
1322 EXTERN char     pseps[2]                /* normal path separator string */
1323 # ifdef DO_INIT
1324                         = {'\\', 0}
1325 # endif
1326                         ;
1327 #endif
1328
1329 #ifdef FEAT_VIRTUALEDIT
1330 /* Set to TRUE when an operator is being executed with virtual editing, MAYBE
1331  * when no operator is being executed, FALSE otherwise. */
1332 EXTERN int      virtual_op INIT(= MAYBE);
1333 #endif
1334
1335 #ifdef FEAT_SYN_HL
1336 /* Display tick, incremented for each call to update_screen() */
1337 EXTERN disptick_T       display_tick INIT(= 0);
1338 #endif
1339
1340 #ifdef FEAT_SPELL
1341 /* Line in which spell checking wasn't highlighted because it touched the
1342  * cursor position in Insert mode. */
1343 EXTERN linenr_T         spell_redraw_lnum INIT(= 0);
1344 #endif
1345
1346 #ifdef ALT_X_INPUT
1347 /* we need to be able to go into the dispatch loop while processing a command
1348  * received via alternate input. However, we don't want to process another
1349  * command until the first is completed.
1350  */
1351 EXTERN int      suppress_alternate_input INIT(= FALSE);
1352 #endif
1353
1354 #ifdef USE_MCH_ERRMSG
1355 /* Grow array to collect error messages in until they can be displayed. */
1356 EXTERN garray_T error_ga
1357 # ifdef DO_INIT
1358         = {0, 0, 0, 0, NULL}
1359 # endif
1360         ;
1361 #endif
1362
1363 #ifdef FEAT_NETBEANS_INTG
1364 EXTERN char *netbeansArg INIT(= NULL);  /* the -nb[:host:port:passwd] arg */
1365 EXTERN int netbeansFireChanges INIT(= 1); /* send buffer changes if != 0 */
1366 EXTERN int netbeansForcedQuit INIT(= 0);/* don't write modified files */
1367 EXTERN int netbeansReadFile INIT(= 1);  /* OK to read from disk if != 0 */
1368 EXTERN int netbeansSuppressNoLines INIT(= 0); /* skip "No lines in buffer" */
1369 EXTERN int usingNetbeans INIT(= 0);     /* set if -nb flag is used */
1370 #endif
1371
1372 /*
1373  * The error messages that can be shared are included here.
1374  * Excluded are errors that are only used once and debugging messages.
1375  */
1376 EXTERN char_u e_abort[]         INIT(= N_("E470: Command aborted"));
1377 EXTERN char_u e_argreq[]        INIT(= N_("E471: Argument required"));
1378 EXTERN char_u e_backslash[]     INIT(= N_("E10: \\ should be followed by /, ? or &"));
1379 #ifdef FEAT_CMDWIN
1380 EXTERN char_u e_cmdwin[]        INIT(= N_("E11: Invalid in command-line window; <CR> executes, CTRL-C quits"));
1381 #endif
1382 EXTERN char_u e_curdir[]        INIT(= N_("E12: Command not allowed from exrc/vimrc in current dir or tag search"));
1383 #ifdef FEAT_EVAL
1384 EXTERN char_u e_endif[]         INIT(= N_("E171: Missing :endif"));
1385 EXTERN char_u e_endtry[]        INIT(= N_("E600: Missing :endtry"));
1386 EXTERN char_u e_endwhile[]      INIT(= N_("E170: Missing :endwhile"));
1387 EXTERN char_u e_endfor[]        INIT(= N_("E170: Missing :endfor"));
1388 EXTERN char_u e_while[]         INIT(= N_("E588: :endwhile without :while"));
1389 EXTERN char_u e_for[]           INIT(= N_("E588: :endfor without :for"));
1390 #endif
1391 EXTERN char_u e_exists[]        INIT(= N_("E13: File exists (add ! to override)"));
1392 EXTERN char_u e_failed[]        INIT(= N_("E472: Command failed"));
1393 #if defined(FEAT_GUI) && defined(FEAT_XFONTSET)
1394 EXTERN char_u e_fontset[]       INIT(= N_("E234: Unknown fontset: %s"));
1395 #endif
1396 #if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) || defined(MACOS) \
1397         || defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MSWIN)
1398 EXTERN char_u e_font[]          INIT(= N_("E235: Unknown font: %s"));
1399 #endif
1400 #if (defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK)) && !defined(HAVE_GTK2)
1401 EXTERN char_u e_fontwidth[]     INIT(= N_("E236: Font \"%s\" is not fixed-width"));
1402 #endif
1403 EXTERN char_u e_internal[]      INIT(= N_("E473: Internal error"));
1404 EXTERN char_u e_interr[]        INIT(= N_("Interrupted"));
1405 EXTERN char_u e_invaddr[]       INIT(= N_("E14: Invalid address"));
1406 EXTERN char_u e_invarg[]        INIT(= N_("E474: Invalid argument"));
1407 EXTERN char_u e_invarg2[]       INIT(= N_("E475: Invalid argument: %s"));
1408 #ifdef FEAT_EVAL
1409 EXTERN char_u e_invexpr2[]      INIT(= N_("E15: Invalid expression: %s"));
1410 #endif
1411 EXTERN char_u e_invrange[]      INIT(= N_("E16: Invalid range"));
1412 EXTERN char_u e_invcmd[]        INIT(= N_("E476: Invalid command"));
1413 #if defined(UNIX) || defined(FEAT_SYN_HL)
1414 EXTERN char_u e_isadir2[]       INIT(= N_("E17: \"%s\" is a directory"));
1415 #endif
1416 #ifdef FEAT_LIBCALL
1417 EXTERN char_u e_libcall[]       INIT(= N_("E364: Library call failed for \"%s()\""));
1418 #endif
1419 #if defined(DYNAMIC_PERL) || defined(DYNAMIC_PYTHON) || defined(DYNAMIC_RUBY) \
1420         || defined(DYNAMIC_TCL) || defined(DYNAMIC_ICONV) \
1421         || defined(DYNAMIC_GETTEXT) || defined(DYNAMIC_MZSCHEME)
1422 EXTERN char_u e_loadlib[]       INIT(= N_("E370: Could not load library %s"));
1423 EXTERN char_u e_loadfunc[]      INIT(= N_("E448: Could not load library function %s"));
1424 #endif
1425 EXTERN char_u e_markinval[]     INIT(= N_("E19: Mark has invalid line number"));
1426 EXTERN char_u e_marknotset[]    INIT(= N_("E20: Mark not set"));
1427 EXTERN char_u e_modifiable[]    INIT(= N_("E21: Cannot make changes, 'modifiable' is off"));
1428 EXTERN char_u e_nesting[]       INIT(= N_("E22: Scripts nested too deep"));
1429 EXTERN char_u e_noalt[]         INIT(= N_("E23: No alternate file"));
1430 EXTERN char_u e_noabbr[]        INIT(= N_("E24: No such abbreviation"));
1431 EXTERN char_u e_nobang[]        INIT(= N_("E477: No ! allowed"));
1432 #ifndef FEAT_GUI
1433 EXTERN char_u e_nogvim[]        INIT(= N_("E25: GUI cannot be used: Not enabled at compile time"));
1434 #endif
1435 #ifndef FEAT_RIGHTLEFT
1436 EXTERN char_u e_nohebrew[]      INIT(= N_("E26: Hebrew cannot be used: Not enabled at compile time\n"));
1437 #endif
1438 #ifndef FEAT_FKMAP
1439 EXTERN char_u e_nofarsi[]       INIT(= N_("E27: Farsi cannot be used: Not enabled at compile time\n"));
1440 #endif
1441 #ifndef FEAT_ARABIC
1442 EXTERN char_u e_noarabic[]      INIT(= N_("E800: Arabic cannot be used: Not enabled at compile time\n"));
1443 #endif
1444 #if defined(FEAT_SEARCH_EXTRA) || defined(FEAT_SYN_HL)
1445 EXTERN char_u e_nogroup[]       INIT(= N_("E28: No such highlight group name: %s"));
1446 #endif
1447 EXTERN char_u e_noinstext[]     INIT(= N_("E29: No inserted text yet"));
1448 EXTERN char_u e_nolastcmd[]     INIT(= N_("E30: No previous command line"));
1449 EXTERN char_u e_nomap[]         INIT(= N_("E31: No such mapping"));
1450 EXTERN char_u e_nomatch[]       INIT(= N_("E479: No match"));
1451 EXTERN char_u e_nomatch2[]      INIT(= N_("E480: No match: %s"));
1452 EXTERN char_u e_noname[]        INIT(= N_("E32: No file name"));
1453 EXTERN char_u e_nopresub[]      INIT(= N_("E33: No previous substitute regular expression"));
1454 EXTERN char_u e_noprev[]        INIT(= N_("E34: No previous command"));
1455 EXTERN char_u e_noprevre[]      INIT(= N_("E35: No previous regular expression"));
1456 EXTERN char_u e_norange[]       INIT(= N_("E481: No range allowed"));
1457 #ifdef FEAT_WINDOWS
1458 EXTERN char_u e_noroom[]        INIT(= N_("E36: Not enough room"));
1459 #endif
1460 #ifdef FEAT_CLIENTSERVER
1461 EXTERN char_u e_noserver[]      INIT(= N_("E247: no registered server named \"%s\""));
1462 #endif
1463 EXTERN char_u e_notcreate[]     INIT(= N_("E482: Can't create file %s"));
1464 EXTERN char_u e_notmp[]         INIT(= N_("E483: Can't get temp file name"));
1465 EXTERN char_u e_notopen[]       INIT(= N_("E484: Can't open file %s"));
1466 EXTERN char_u e_notread[]       INIT(= N_("E485: Can't read file %s"));
1467 EXTERN char_u e_nowrtmsg[]      INIT(= N_("E37: No write since last change (add ! to override)"));
1468 EXTERN char_u e_null[]          INIT(= N_("E38: Null argument"));
1469 #ifdef FEAT_DIGRAPHS
1470 EXTERN char_u e_number_exp[]    INIT(= N_("E39: Number expected"));
1471 #endif
1472 #ifdef FEAT_QUICKFIX
1473 EXTERN char_u e_openerrf[]      INIT(= N_("E40: Can't open errorfile %s"));
1474 #endif
1475 #if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11)
1476 EXTERN char_u e_opendisp[]      INIT(= N_("E233: cannot open display"));
1477 #endif
1478 EXTERN char_u e_outofmem[]      INIT(= N_("E41: Out of memory!"));
1479 #ifdef FEAT_INS_EXPAND
1480 EXTERN char_u e_patnotf[]       INIT(= N_("Pattern not found"));
1481 #endif
1482 EXTERN char_u e_patnotf2[]      INIT(= N_("E486: Pattern not found: %s"));
1483 EXTERN char_u e_positive[]      INIT(= N_("E487: Argument must be positive"));
1484 #if defined(UNIX) || defined(FEAT_SESSION)
1485 EXTERN char_u e_prev_dir[]      INIT(= N_("E459: Cannot go back to previous directory"));
1486 #endif
1487
1488 #ifdef FEAT_QUICKFIX
1489 EXTERN char_u e_quickfix[]      INIT(= N_("E42: No Errors"));
1490 EXTERN char_u e_loclist[]       INIT(= N_("E776: No location list"));
1491 #endif
1492 EXTERN char_u e_re_damg[]       INIT(= N_("E43: Damaged match string"));
1493 EXTERN char_u e_re_corr[]       INIT(= N_("E44: Corrupted regexp program"));
1494 EXTERN char_u e_readonly[]      INIT(= N_("E45: 'readonly' option is set (add ! to override)"));
1495 #ifdef FEAT_EVAL
1496 EXTERN char_u e_readonlyvar[]   INIT(= N_("E46: Cannot change read-only variable \"%s\""));
1497 EXTERN char_u e_readonlysbx[]   INIT(= N_("E794: Cannot set variable in the sandbox: \"%s\""));
1498 #endif
1499 #ifdef FEAT_QUICKFIX
1500 EXTERN char_u e_readerrf[]      INIT(= N_("E47: Error while reading errorfile"));
1501 #endif
1502 #ifdef HAVE_SANDBOX
1503 EXTERN char_u e_sandbox[]       INIT(= N_("E48: Not allowed in sandbox"));
1504 #endif
1505 EXTERN char_u e_secure[]        INIT(= N_("E523: Not allowed here"));
1506 #if defined(AMIGA) || defined(MACOS) || defined(MSWIN) || defined(RISCOS) \
1507         || defined(UNIX) || defined(VMS) || defined(OS2)
1508 EXTERN char_u e_screenmode[]    INIT(= N_("E359: Screen mode setting not supported"));
1509 #endif
1510 EXTERN char_u e_scroll[]        INIT(= N_("E49: Invalid scroll size"));
1511 EXTERN char_u e_shellempty[]    INIT(= N_("E91: 'shell' option is empty"));
1512 #if defined(FEAT_SIGN_ICONS) && !defined(HAVE_GTK2)
1513 EXTERN char_u e_signdata[]      INIT(= N_("E255: Couldn't read in sign data!"));
1514 #endif
1515 EXTERN char_u e_swapclose[]     INIT(= N_("E72: Close error on swap file"));
1516 EXTERN char_u e_tagstack[]      INIT(= N_("E73: tag stack empty"));
1517 EXTERN char_u e_toocompl[]      INIT(= N_("E74: Command too complex"));
1518 EXTERN char_u e_longname[]      INIT(= N_("E75: Name too long"));
1519 EXTERN char_u e_toomsbra[]      INIT(= N_("E76: Too many ["));
1520 EXTERN char_u e_toomany[]       INIT(= N_("E77: Too many file names"));
1521 EXTERN char_u e_trailing[]      INIT(= N_("E488: Trailing characters"));
1522 EXTERN char_u e_umark[]         INIT(= N_("E78: Unknown mark"));
1523 EXTERN char_u e_wildexpand[]    INIT(= N_("E79: Cannot expand wildcards"));
1524 #ifdef FEAT_WINDOWS
1525 EXTERN char_u e_winheight[]     INIT(= N_("E591: 'winheight' cannot be smaller than 'winminheight'"));
1526 # ifdef FEAT_VERTSPLIT
1527 EXTERN char_u e_winwidth[]      INIT(= N_("E592: 'winwidth' cannot be smaller than 'winminwidth'"));
1528 # endif
1529 #endif
1530 EXTERN char_u e_write[]         INIT(= N_("E80: Error while writing"));
1531 EXTERN char_u e_zerocount[]     INIT(= N_("Zero count"));
1532 #ifdef FEAT_EVAL
1533 EXTERN char_u e_usingsid[]      INIT(= N_("E81: Using <SID> not in a script context"));
1534 #endif
1535 #ifdef FEAT_CLIENTSERVER
1536 EXTERN char_u e_invexprmsg[]    INIT(= N_("E449: Invalid expression received"));
1537 #endif
1538 #ifdef FEAT_NETBEANS_INTG
1539 EXTERN char_u e_guarded[]       INIT(= N_("E463: Region is guarded, cannot modify"));
1540 EXTERN char_u e_nbreadonly[]    INIT(= N_("E744: NetBeans does not allow changes in read-only files"));
1541 #endif
1542 EXTERN char_u e_intern2[]       INIT(= N_("E685: Internal error: %s"));
1543 EXTERN char_u e_maxmempat[]     INIT(= N_("E363: pattern uses more memory than 'maxmempattern'"));
1544 EXTERN char_u e_emptybuf[]      INIT(= N_("E749: empty buffer"));
1545
1546 #ifdef FEAT_EX_EXTRA
1547 EXTERN char_u e_invalpat[]      INIT(= N_("E682: Invalid search pattern or delimiter"));
1548 #endif
1549 EXTERN char_u e_bufloaded[]     INIT(= N_("E139: File is loaded in another buffer"));
1550 #if defined(FEAT_SYN_HL) || \
1551         (defined(FEAT_INS_EXPAND) && defined(FEAT_COMPL_FUNC))
1552 EXTERN char_u e_notset[]        INIT(= N_("E764: Option '%s' is not set"));
1553 #endif
1554
1555 #ifdef MACOS_X_UNIX
1556 EXTERN short disallow_gui       INIT(= FALSE);
1557 #endif
1558
1559 EXTERN char top_bot_msg[] INIT(= N_("search hit TOP, continuing at BOTTOM"));
1560 EXTERN char bot_top_msg[] INIT(= N_("search hit BOTTOM, continuing at TOP"));
1561
1562 /*
1563  * Comms. with the session manager (XSMP)
1564  */
1565 #ifdef USE_XSMP
1566 EXTERN int xsmp_icefd INIT(= -1);   /* The actual connection */
1567 #endif
1568
1569 /* For undo we need to know the lowest time possible. */
1570 EXTERN time_t starttime;
1571
1572 #ifdef STARTUPTIME
1573 EXTERN FILE *time_fd INIT(= NULL);  /* where to write startup timing */
1574 #endif
1575
1576 /*
1577  * Some compilers warn for not using a return value, but in some situations we
1578  * can't do anything useful with the value.  Assign to this variable to avoid
1579  * the warning.
1580  */
1581 EXTERN int ignored;
1582 EXTERN char *ignoredp;
1583
1584 /*
1585  * Optional Farsi support.  Include it here, so EXTERN and INIT are defined.
1586  */
1587 #ifdef FEAT_FKMAP
1588 # include "farsi.h"
1589 #endif
1590
1591 /*
1592  * Optional Arabic support. Include it here, so EXTERN and INIT are defined.
1593  */
1594 #ifdef FEAT_ARABIC
1595 # include "arabic.h"
1596 #endif