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globals.h
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globals.h
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/* vi:set ts=8 sts=4 sw=4 noet:
*
* VIM - Vi IMproved by Bram Moolenaar
*
* Do ":help uganda" in Vim to read copying and usage conditions.
* Do ":help credits" in Vim to see a list of people who contributed.
*/
/*
* definition of global variables
*/
/*
* Number of Rows and Columns in the screen.
* Must be long to be able to use them as options in option.c.
* Note: Use screen_Rows and screen_Columns to access items in ScreenLines[].
* They may have different values when the screen wasn't (re)allocated yet
* after setting Rows or Columns (e.g., when starting up).
*/
EXTERN long Rows /* nr of rows in the screen */
#ifdef DO_INIT
# if defined(WIN3264)
= 25L
# else
= 24L
# endif
#endif
;
EXTERN long Columns INIT(= 80); /* nr of columns in the screen */
/*
* The characters that are currently on the screen are kept in ScreenLines[].
* It is a single block of characters, the size of the screen plus one line.
* The attributes for those characters are kept in ScreenAttrs[].
*
* "LineOffset[n]" is the offset from ScreenLines[] for the start of line 'n'.
* The same value is used for ScreenLinesUC[] and ScreenAttrs[].
*
* Note: before the screen is initialized and when out of memory these can be
* NULL.
*/
EXTERN schar_T *ScreenLines INIT(= NULL);
EXTERN sattr_T *ScreenAttrs INIT(= NULL);
EXTERN unsigned *LineOffset INIT(= NULL);
EXTERN char_u *LineWraps INIT(= NULL); /* line wraps to next line */
#ifdef FEAT_MBYTE
/*
* When using Unicode characters (in UTF-8 encoding) the character in
* ScreenLinesUC[] contains the Unicode for the character at this position, or
* NUL when the character in ScreenLines[] is to be used (ASCII char).
* The composing characters are to be drawn on top of the original character.
* ScreenLinesC[0][off] is only to be used when ScreenLinesUC[off] != 0.
* Note: These three are only allocated when enc_utf8 is set!
*/
EXTERN u8char_T *ScreenLinesUC INIT(= NULL); /* decoded UTF-8 characters */
EXTERN u8char_T *ScreenLinesC[MAX_MCO]; /* composing characters */
EXTERN int Screen_mco INIT(= 0); /* value of p_mco used when
allocating ScreenLinesC[] */
/* Only used for euc-jp: Second byte of a character that starts with 0x8e.
* These are single-width. */
EXTERN schar_T *ScreenLines2 INIT(= NULL);
#endif
#ifdef FEAT_WINDOWS
/*
* Indexes for tab page line:
* N > 0 for label of tab page N
* N == 0 for no label
* N < 0 for closing tab page -N
* N == -999 for closing current tab page
*/
EXTERN short *TabPageIdxs INIT(= NULL);
#endif
EXTERN int screen_Rows INIT(= 0); /* actual size of ScreenLines[] */
EXTERN int screen_Columns INIT(= 0); /* actual size of ScreenLines[] */
/*
* When vgetc() is called, it sets mod_mask to the set of modifiers that are
* held down based on the MOD_MASK_* symbols that are read first.
*/
EXTERN int mod_mask INIT(= 0x0); /* current key modifiers */
/*
* Cmdline_row is the row where the command line starts, just below the
* last window.
* When the cmdline gets longer than the available space the screen gets
* scrolled up. After a CTRL-D (show matches), after hitting ':' after
* "hit return", and for the :global command, the command line is
* temporarily moved. The old position is restored with the next call to
* update_screen().
*/
EXTERN int cmdline_row;
EXTERN int redraw_cmdline INIT(= FALSE); /* cmdline must be redrawn */
EXTERN int clear_cmdline INIT(= FALSE); /* cmdline must be cleared */
EXTERN int mode_displayed INIT(= FALSE); /* mode is being displayed */
EXTERN int no_win_do_lines_ins INIT(= FALSE); /* don't insert lines */
#if defined(FEAT_CRYPT) || defined(FEAT_EVAL)
EXTERN int cmdline_star INIT(= FALSE); /* cmdline is crypted */
#endif
EXTERN int exec_from_reg INIT(= FALSE); /* executing register */
EXTERN int screen_cleared INIT(= FALSE); /* screen has been cleared */
/*
* When '$' is included in 'cpoptions' option set:
* When a change command is given that deletes only part of a line, a dollar
* is put at the end of the changed text. dollar_vcol is set to the virtual
* column of this '$'. -1 is used to indicate no $ is being displayed.
*/
EXTERN colnr_T dollar_vcol INIT(= -1);
#ifdef FEAT_INS_EXPAND
/*
* Variables for Insert mode completion.
*/
/* Length in bytes of the text being completed (this is deleted to be replaced
* by the match.) */
EXTERN int compl_length INIT(= 0);
/* Set when character typed while looking for matches and it means we should
* stop looking for matches. */
EXTERN int compl_interrupted INIT(= FALSE);
/* List of flags for method of completion. */
EXTERN int compl_cont_status INIT(= 0);
# define CONT_ADDING 1 /* "normal" or "adding" expansion */
# define CONT_INTRPT (2 + 4) /* a ^X interrupted the current expansion */
/* it's set only iff N_ADDS is set */
# define CONT_N_ADDS 4 /* next ^X<> will add-new or expand-current */
# define CONT_S_IPOS 8 /* next ^X<> will set initial_pos?
* if so, word-wise-expansion will set SOL */
# define CONT_SOL 16 /* pattern includes start of line, just for
* word-wise expansion, not set for ^X^L */
# define CONT_LOCAL 32 /* for ctrl_x_mode 0, ^X^P/^X^N do a local
* expansion, (eg use complete=.) */
#endif
/*
* Functions for putting characters in the command line,
* while keeping ScreenLines[] updated.
*/
#ifdef FEAT_RIGHTLEFT
EXTERN int cmdmsg_rl INIT(= FALSE); /* cmdline is drawn right to left */
#endif
EXTERN int msg_col;
EXTERN int msg_row;
EXTERN int msg_scrolled; /* Number of screen lines that windows have
* scrolled because of printing messages. */
EXTERN int msg_scrolled_ign INIT(= FALSE);
/* when TRUE don't set need_wait_return in
msg_puts_attr() when msg_scrolled is
non-zero */
EXTERN char_u *keep_msg INIT(= NULL); /* msg to be shown after redraw */
EXTERN int keep_msg_attr INIT(= 0); /* highlight attr for keep_msg */
EXTERN int keep_msg_more INIT(= FALSE); /* keep_msg was set by msgmore() */
EXTERN int need_fileinfo INIT(= FALSE);/* do fileinfo() after redraw */
EXTERN int msg_scroll INIT(= FALSE); /* msg_start() will scroll */
EXTERN int msg_didout INIT(= FALSE); /* msg_outstr() was used in line */
EXTERN int msg_didany INIT(= FALSE); /* msg_outstr() was used at all */
EXTERN int msg_nowait INIT(= FALSE); /* don't wait for this msg */
EXTERN int emsg_off INIT(= 0); /* don't display errors for now,
unless 'debug' is set. */
EXTERN int info_message INIT(= FALSE); /* printing informative message */
EXTERN int msg_hist_off INIT(= FALSE); /* don't add messages to history */
#ifdef FEAT_EVAL
EXTERN int need_clr_eos INIT(= FALSE); /* need to clear text before
displaying a message. */
EXTERN int emsg_skip INIT(= 0); /* don't display errors for
expression that is skipped */
EXTERN int emsg_severe INIT(= FALSE); /* use message of next of several
emsg() calls for throw */
EXTERN int did_endif INIT(= FALSE); /* just had ":endif" */
EXTERN dict_T vimvardict; /* Dictionary with v: variables */
EXTERN dict_T globvardict; /* Dictionary with g: variables */
#endif
EXTERN int did_emsg; /* set by emsg() when the message
is displayed or thrown */
#ifdef FEAT_EVAL
EXTERN int did_uncaught_emsg; /* emsg() was called and did not
cause an exception */
#endif
EXTERN int did_emsg_syntax; /* did_emsg set because of a
syntax error */
EXTERN int called_emsg; /* always set by emsg() */
EXTERN int ex_exitval INIT(= 0); /* exit value for ex mode */
EXTERN int emsg_on_display INIT(= FALSE); /* there is an error message */
EXTERN int rc_did_emsg INIT(= FALSE); /* vim_regcomp() called emsg() */
EXTERN int no_wait_return INIT(= 0); /* don't wait for return for now */
EXTERN int need_wait_return INIT(= 0); /* need to wait for return later */
EXTERN int did_wait_return INIT(= FALSE); /* wait_return() was used and
nothing written since then */
#ifdef FEAT_TITLE
EXTERN int need_maketitle INIT(= TRUE); /* call maketitle() soon */
#endif
EXTERN int quit_more INIT(= FALSE); /* 'q' hit at "--more--" msg */
#if defined(UNIX) || defined(VMS) || defined(MACOS_X)
EXTERN int newline_on_exit INIT(= FALSE); /* did msg in altern. screen */
EXTERN int intr_char INIT(= 0); /* extra interrupt character */
#endif
#if (defined(UNIX) || defined(VMS)) && defined(FEAT_X11)
EXTERN int x_no_connect INIT(= FALSE); /* don't connect to X server */
# if defined(FEAT_CLIENTSERVER)
EXTERN int x_force_connect INIT(= FALSE); /* Do connect to X server.
Overrules x_no_connect and
"exclude" in 'clipboard'. */
# endif
#endif
EXTERN int ex_keep_indent INIT(= FALSE); /* getexmodeline(): keep indent */
EXTERN int vgetc_busy INIT(= 0); /* when inside vgetc() then > 0 */
EXTERN int didset_vim INIT(= FALSE); /* did set $VIM ourselves */
EXTERN int didset_vimruntime INIT(= FALSE); /* idem for $VIMRUNTIME */
/*
* Lines left before a "more" message. Ex mode needs to be able to reset this
* after you type something.
*/
EXTERN int lines_left INIT(= -1); /* lines left for listing */
EXTERN int msg_no_more INIT(= FALSE); /* don't use more prompt, truncate
messages */
EXTERN char_u *sourcing_name INIT( = NULL);/* name of error message source */
EXTERN linenr_T sourcing_lnum INIT(= 0); /* line number of the source file */
#ifdef FEAT_EVAL
EXTERN int ex_nesting_level INIT(= 0); /* nesting level */
EXTERN int debug_break_level INIT(= -1); /* break below this level */
EXTERN int debug_did_msg INIT(= FALSE); /* did "debug mode" message */
EXTERN int debug_tick INIT(= 0); /* breakpoint change count */
EXTERN int debug_backtrace_level INIT(= 0); /* breakpoint backtrace level */
# ifdef FEAT_PROFILE
EXTERN int do_profiling INIT(= PROF_NONE); /* PROF_ values */
# endif
/*
* The exception currently being thrown. Used to pass an exception to
* a different cstack. Also used for discarding an exception before it is
* caught or made pending. Only valid when did_throw is TRUE.
*/
EXTERN except_T *current_exception;
/*
* did_throw: An exception is being thrown. Reset when the exception is caught
* or as long as it is pending in a finally clause.
*/
EXTERN int did_throw INIT(= FALSE);
/*
* need_rethrow: set to TRUE when a throw that cannot be handled in do_cmdline()
* must be propagated to the cstack of the previously called do_cmdline().
*/
EXTERN int need_rethrow INIT(= FALSE);
/*
* check_cstack: set to TRUE when a ":finish" or ":return" that cannot be
* handled in do_cmdline() must be propagated to the cstack of the previously
* called do_cmdline().
*/
EXTERN int check_cstack INIT(= FALSE);
/*
* Number of nested try conditionals (across function calls and ":source"
* commands).
*/
EXTERN int trylevel INIT(= 0);
/*
* When "force_abort" is TRUE, always skip commands after an error message,
* even after the outermost ":endif", ":endwhile" or ":endfor" or for a
* function without the "abort" flag. It is set to TRUE when "trylevel" is
* non-zero (and ":silent!" was not used) or an exception is being thrown at
* the time an error is detected. It is set to FALSE when "trylevel" gets
* zero again and there was no error or interrupt or throw.
*/
EXTERN int force_abort INIT(= FALSE);
/*
* "msg_list" points to a variable in the stack of do_cmdline() which keeps
* the list of arguments of several emsg() calls, one of which is to be
* converted to an error exception immediately after the failing command
* returns. The message to be used for the exception value is pointed to by
* the "throw_msg" field of the first element in the list. It is usually the
* same as the "msg" field of that element, but can be identical to the "msg"
* field of a later list element, when the "emsg_severe" flag was set when the
* emsg() call was made.
*/
EXTERN struct msglist **msg_list INIT(= NULL);
/*
* suppress_errthrow: When TRUE, don't convert an error to an exception. Used
* when displaying the interrupt message or reporting an exception that is still
* uncaught at the top level (which has already been discarded then). Also used
* for the error message when no exception can be thrown.
*/
EXTERN int suppress_errthrow INIT(= FALSE);
/*
* The stack of all caught and not finished exceptions. The exception on the
* top of the stack is the one got by evaluation of v:exception. The complete
* stack of all caught and pending exceptions is embedded in the various
* cstacks; the pending exceptions, however, are not on the caught stack.
*/
EXTERN except_T *caught_stack INIT(= NULL);
#endif
#ifdef FEAT_EVAL
/*
* Garbage collection can only take place when we are sure there are no Lists
* or Dictionaries being used internally. This is flagged with
* "may_garbage_collect" when we are at the toplevel.
* "want_garbage_collect" is set by the garbagecollect() function, which means
* we do garbage collection before waiting for a char at the toplevel.
* "garbage_collect_at_exit" indicates garbagecollect(1) was called.
*/
EXTERN int may_garbage_collect INIT(= FALSE);
EXTERN int want_garbage_collect INIT(= FALSE);
EXTERN int garbage_collect_at_exit INIT(= FALSE);
/* ID of script being sourced or was sourced to define the current function. */
EXTERN scid_T current_SID INIT(= 0);
#endif
EXTERN int did_source_packages INIT(= FALSE);
/* Magic number used for hashitem "hi_key" value indicating a deleted item.
* Only the address is used. */
EXTERN char_u hash_removed;
EXTERN int scroll_region INIT(= FALSE); /* term supports scroll region */
EXTERN int t_colors INIT(= 0); /* int value of T_CCO */
/*
* When highlight_match is TRUE, highlight a match, starting at the cursor
* position. Search_match_lines is the number of lines after the match (0 for
* a match within one line), search_match_endcol the column number of the
* character just after the match in the last line.
*/
EXTERN int highlight_match INIT(= FALSE); /* show search match pos */
EXTERN linenr_T search_match_lines; /* lines of of matched string */
EXTERN colnr_T search_match_endcol; /* col nr of match end */
EXTERN int no_smartcase INIT(= FALSE); /* don't use 'smartcase' once */
EXTERN int need_check_timestamps INIT(= FALSE); /* need to check file
timestamps asap */
EXTERN int did_check_timestamps INIT(= FALSE); /* did check timestamps
recently */
EXTERN int no_check_timestamps INIT(= 0); /* Don't check timestamps */
EXTERN int highlight_attr[HLF_COUNT]; /* Highl. attr for each context. */
#ifdef FEAT_STL_OPT
# define USER_HIGHLIGHT
#endif
#ifdef USER_HIGHLIGHT
EXTERN int highlight_user[9]; /* User[1-9] attributes */
# ifdef FEAT_STL_OPT
EXTERN int highlight_stlnc[9]; /* On top of user */
# ifdef FEAT_TERMINAL
EXTERN int highlight_stlterm[9]; /* On top of user */
EXTERN int highlight_stltermnc[9]; /* On top of user */
# endif
# endif
#endif
#ifdef FEAT_GUI
EXTERN char_u *use_gvimrc INIT(= NULL); /* "-U" cmdline argument */
#endif
EXTERN int cterm_normal_fg_color INIT(= 0);
EXTERN int cterm_normal_fg_bold INIT(= 0);
EXTERN int cterm_normal_bg_color INIT(= 0);
#ifdef FEAT_TERMGUICOLORS
EXTERN guicolor_T cterm_normal_fg_gui_color INIT(= INVALCOLOR);
EXTERN guicolor_T cterm_normal_bg_gui_color INIT(= INVALCOLOR);
#endif
#ifdef FEAT_AUTOCMD
EXTERN int autocmd_busy INIT(= FALSE); /* Is apply_autocmds() busy? */
EXTERN int autocmd_no_enter INIT(= FALSE); /* *Enter autocmds disabled */
EXTERN int autocmd_no_leave INIT(= FALSE); /* *Leave autocmds disabled */
EXTERN int modified_was_set; /* did ":set modified" */
EXTERN int did_filetype INIT(= FALSE); /* FileType event found */
EXTERN int keep_filetype INIT(= FALSE); /* value for did_filetype when
starting to execute
autocommands */
/* When deleting the current buffer, another one must be loaded. If we know
* which one is preferred, au_new_curbuf is set to it */
EXTERN bufref_T au_new_curbuf INIT(= {NULL COMMA 0 COMMA 0});
/* When deleting a buffer/window and autocmd_busy is TRUE, do not free the
* buffer/window. but link it in the list starting with
* au_pending_free_buf/ap_pending_free_win, using b_next/w_next.
* Free the buffer/window when autocmd_busy is being set to FALSE. */
EXTERN buf_T *au_pending_free_buf INIT(= NULL);
EXTERN win_T *au_pending_free_win INIT(= NULL);
#endif
#ifdef FEAT_MOUSE
/*
* Mouse coordinates, set by check_termcode()
*/
EXTERN int mouse_row;
EXTERN int mouse_col;
EXTERN int mouse_past_bottom INIT(= FALSE);/* mouse below last line */
EXTERN int mouse_past_eol INIT(= FALSE); /* mouse right of line */
EXTERN int mouse_dragging INIT(= 0); /* extending Visual area with
mouse dragging */
# if defined(FEAT_MOUSE_DEC)
/*
* When the DEC mouse has been pressed but not yet released we enable
* automatic querys for the mouse position.
*/
EXTERN int WantQueryMouse INIT(= FALSE);
# endif
# ifdef FEAT_GUI
/* When the window layout is about to be changed, need_mouse_correct is set,
* so that gui_mouse_correct() is called afterwards, to correct the mouse
* pointer when focus-follow-mouse is being used. */
EXTERN int need_mouse_correct INIT(= FALSE);
/* When double clicking, topline must be the same */
EXTERN linenr_T gui_prev_topline INIT(= 0);
# ifdef FEAT_DIFF
EXTERN int gui_prev_topfill INIT(= 0);
# endif
# endif
# ifdef FEAT_MOUSESHAPE
EXTERN int drag_status_line INIT(= FALSE); /* dragging the status line */
EXTERN int postponed_mouseshape INIT(= FALSE); /* postponed updating the
mouse pointer shape */
# ifdef FEAT_WINDOWS
EXTERN int drag_sep_line INIT(= FALSE); /* dragging vert separator */
# endif
# endif
#endif
#ifdef FEAT_DIFF
/* Value set from 'diffopt'. */
EXTERN int diff_context INIT(= 6); /* context for folds */
EXTERN int diff_foldcolumn INIT(= 2); /* 'foldcolumn' for diff mode */
EXTERN int diff_need_scrollbind INIT(= FALSE);
#endif
#ifdef FEAT_MENU
/* The root of the menu hierarchy. */
EXTERN vimmenu_T *root_menu INIT(= NULL);
/*
* While defining the system menu, sys_menu is TRUE. This avoids
* overruling of menus that the user already defined.
*/
EXTERN int sys_menu INIT(= FALSE);
#endif
/* While redrawing the screen this flag is set. It means the screen size
* ('lines' and 'rows') must not be changed. */
EXTERN int updating_screen INIT(= FALSE);
#ifdef FEAT_GUI
# ifdef FEAT_MENU
/* Menu item just selected, set by check_termcode() */
EXTERN vimmenu_T *current_menu;
/* Set to TRUE after adding/removing menus to ensure they are updated */
EXTERN int force_menu_update INIT(= FALSE);
# endif
# ifdef FEAT_GUI_TABLINE
/* Tab in tab pages line just selected, set by check_termcode() */
EXTERN int current_tab;
/* Menu entry in tab pages line menu just selected, set by check_termcode() */
EXTERN int current_tabmenu;
# define TABLINE_MENU_CLOSE 1
# define TABLINE_MENU_NEW 2
# define TABLINE_MENU_OPEN 3
# endif
/* Scrollbar moved and new value, set by check_termcode() */
EXTERN int current_scrollbar;
EXTERN long_u scrollbar_value;
/* found "-rv" or "-reverse" in command line args */
EXTERN int found_reverse_arg INIT(= FALSE);
/* "-fn" or "-font" command line argument */
EXTERN char *font_argument INIT(= NULL);
# ifdef FEAT_GUI_GTK
/* "-bg" or "-background" command line argument */
EXTERN char *background_argument INIT(= NULL);
/* "-fg" or "-foreground" command line argument */
EXTERN char *foreground_argument INIT(= NULL);
# endif
/*
* While executing external commands or in Ex mode, should not insert GUI
* events in the input buffer: Set hold_gui_events to non-zero.
*
* volatile because it is used in signal handler sig_sysmouse().
*/
EXTERN volatile int hold_gui_events INIT(= 0);
/*
* When resizing the shell is postponed, remember the new size, and call
* gui_resize_shell() later.
*/
EXTERN int new_pixel_width INIT(= 0);
EXTERN int new_pixel_height INIT(= 0);
/* Window position from ":winpos", to be used when opening the GUI window. */
EXTERN int gui_win_x INIT(= -1);
EXTERN int gui_win_y INIT(= -1);
#endif
#ifdef FEAT_CLIPBOARD
EXTERN VimClipboard clip_star; /* PRIMARY selection in X11 */
# ifdef FEAT_X11
EXTERN VimClipboard clip_plus; /* CLIPBOARD selection in X11 */
# else
# define clip_plus clip_star /* there is only one clipboard */
# define ONE_CLIPBOARD
# endif
# define CLIP_UNNAMED 1
# define CLIP_UNNAMED_PLUS 2
EXTERN int clip_unnamed INIT(= 0); /* above two values or'ed */
EXTERN int clip_autoselect_star INIT(= FALSE);
EXTERN int clip_autoselect_plus INIT(= FALSE);
EXTERN int clip_autoselectml INIT(= FALSE);
EXTERN int clip_html INIT(= FALSE);
EXTERN regprog_T *clip_exclude_prog INIT(= NULL);
EXTERN int clip_unnamed_saved INIT(= 0);
#endif
/*
* All windows are linked in a list. firstwin points to the first entry,
* lastwin to the last entry (can be the same as firstwin) and curwin to the
* currently active window.
* Without the FEAT_WINDOWS they are all equal.
*/
#ifdef FEAT_WINDOWS
EXTERN win_T *firstwin; /* first window */
EXTERN win_T *lastwin; /* last window */
EXTERN win_T *prevwin INIT(= NULL); /* previous window */
# define ONE_WINDOW (firstwin == lastwin)
# define W_NEXT(wp) ((wp)->w_next)
# define FOR_ALL_WINDOWS(wp) for (wp = firstwin; wp != NULL; wp = wp->w_next)
# define FOR_ALL_TABPAGES(tp) for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
# define FOR_ALL_WINDOWS_IN_TAB(tp, wp) \
for ((wp) = ((tp) == NULL || (tp) == curtab) \
? firstwin : (tp)->tp_firstwin; (wp); (wp) = (wp)->w_next)
/*
* When using this macro "break" only breaks out of the inner loop. Use "goto"
* to break out of the tabpage loop.
*/
# define FOR_ALL_TAB_WINDOWS(tp, wp) \
for ((tp) = first_tabpage; (tp) != NULL; (tp) = (tp)->tp_next) \
for ((wp) = ((tp) == curtab) \
? firstwin : (tp)->tp_firstwin; (wp); (wp) = (wp)->w_next)
#else
# define firstwin curwin
# define lastwin curwin
# define ONE_WINDOW 1
# define W_NEXT(wp) NULL
# define FOR_ALL_WINDOWS(wp) wp = curwin;
# define FOR_ALL_TABPAGES(tp) for (;FALSE;)
# define FOR_ALL_WINDOWS_IN_TAB(tp, wp) wp = curwin;
# define FOR_ALL_TAB_WINDOWS(tp, wp) wp = curwin;
#endif
EXTERN win_T *curwin; /* currently active window */
#ifdef FEAT_AUTOCMD
EXTERN win_T *aucmd_win; /* window used in aucmd_prepbuf() */
EXTERN int aucmd_win_used INIT(= FALSE); /* aucmd_win is being used */
#endif
/*
* The window layout is kept in a tree of frames. topframe points to the top
* of the tree.
*/
EXTERN frame_T *topframe; /* top of the window frame tree */
#ifdef FEAT_WINDOWS
/*
* Tab pages are alternative topframes. "first_tabpage" points to the first
* one in the list, "curtab" is the current one.
*/
EXTERN tabpage_T *first_tabpage;
EXTERN tabpage_T *curtab;
EXTERN int redraw_tabline INIT(= FALSE); /* need to redraw tabline */
#endif
/*
* All buffers are linked in a list. 'firstbuf' points to the first entry,
* 'lastbuf' to the last entry and 'curbuf' to the currently active buffer.
*/
EXTERN buf_T *firstbuf INIT(= NULL); /* first buffer */
EXTERN buf_T *lastbuf INIT(= NULL); /* last buffer */
EXTERN buf_T *curbuf INIT(= NULL); /* currently active buffer */
#define FOR_ALL_BUFFERS(buf) for (buf = firstbuf; buf != NULL; buf = buf->b_next)
/* Flag that is set when switching off 'swapfile'. It means that all blocks
* are to be loaded into memory. Shouldn't be global... */
EXTERN int mf_dont_release INIT(= FALSE); /* don't release blocks */
/*
* List of files being edited (global argument list). curwin->w_alist points
* to this when the window is using the global argument list.
*/
EXTERN alist_T global_alist; /* global argument list */
EXTERN int max_alist_id INIT(= 0); /* the previous argument list id */
EXTERN int arg_had_last INIT(= FALSE); /* accessed last file in
global_alist */
EXTERN int ru_col; /* column for ruler */
#ifdef FEAT_STL_OPT
EXTERN int ru_wid; /* 'rulerfmt' width of ruler when non-zero */
#endif
EXTERN int sc_col; /* column for shown command */
#ifdef TEMPDIRNAMES
EXTERN char_u *vim_tempdir INIT(= NULL); /* Name of Vim's own temp dir.
Ends in a slash. */
#endif
/*
* When starting or exiting some things are done differently (e.g. screen
* updating).
*/
EXTERN int starting INIT(= NO_SCREEN);
/* first NO_SCREEN, then NO_BUFFERS and then
* set to 0 when starting up finished */
EXTERN int exiting INIT(= FALSE);
/* TRUE when planning to exit Vim. Might
* still keep on running if there is a changed
* buffer. */
EXTERN int really_exiting INIT(= FALSE);
/* TRUE when we are sure to exit, e.g., after
* a deadly signal */
EXTERN int stdout_isatty INIT(= TRUE); /* is stdout a terminal? */
#if defined(FEAT_AUTOCHDIR)
EXTERN int test_autochdir INIT(= FALSE);
#endif
#if defined(EXITFREE)
EXTERN int entered_free_all_mem INIT(= FALSE);
/* TRUE when in or after free_all_mem() */
#endif
/* volatile because it is used in signal handler deathtrap(). */
EXTERN volatile int full_screen INIT(= FALSE);
/* TRUE when doing full-screen output
* otherwise only writing some messages */
EXTERN int restricted INIT(= FALSE);
/* TRUE when started as "rvim" */
EXTERN int secure INIT(= FALSE);
/* non-zero when only "safe" commands are
* allowed, e.g. when sourcing .exrc or .vimrc
* in current directory */
EXTERN int textlock INIT(= 0);
/* non-zero when changing text and jumping to
* another window or buffer is not allowed */
#ifdef FEAT_AUTOCMD
EXTERN int curbuf_lock INIT(= 0);
/* non-zero when the current buffer can't be
* changed. Used for FileChangedRO. */
EXTERN int allbuf_lock INIT(= 0);
/* non-zero when no buffer name can be
* changed, no buffer can be deleted and
* current directory can't be changed.
* Used for SwapExists et al. */
#endif
#ifdef FEAT_EVAL
# define HAVE_SANDBOX
EXTERN int sandbox INIT(= 0);
/* Non-zero when evaluating an expression in a
* "sandbox". Several things are not allowed
* then. */
#endif
EXTERN int silent_mode INIT(= FALSE);
/* set to TRUE when "-s" commandline argument
* used for ex */
EXTERN pos_T VIsual; /* start position of active Visual selection */
EXTERN int VIsual_active INIT(= FALSE);
/* whether Visual mode is active */
EXTERN int VIsual_select INIT(= FALSE);
/* whether Select mode is active */
EXTERN int VIsual_reselect;
/* whether to restart the selection after a
* Select mode mapping or menu */
EXTERN int VIsual_mode INIT(= 'v');
/* type of Visual mode */
EXTERN int redo_VIsual_busy INIT(= FALSE);
/* TRUE when redoing Visual */
#ifdef FEAT_MOUSE
/*
* When pasting text with the middle mouse button in visual mode with
* restart_edit set, remember where it started so we can set Insstart.
*/
EXTERN pos_T where_paste_started;
#endif
/*
* This flag is used to make auto-indent work right on lines where only a
* <RETURN> or <ESC> is typed. It is set when an auto-indent is done, and
* reset when any other editing is done on the line. If an <ESC> or <RETURN>
* is received, and did_ai is TRUE, the line is truncated.
*/
EXTERN int did_ai INIT(= FALSE);
/*
* Column of first char after autoindent. 0 when no autoindent done. Used
* when 'backspace' is 0, to avoid backspacing over autoindent.
*/
EXTERN colnr_T ai_col INIT(= 0);
#ifdef FEAT_COMMENTS
/*
* This is a character which will end a start-middle-end comment when typed as
* the first character on a new line. It is taken from the last character of
* the "end" comment leader when the COM_AUTO_END flag is given for that
* comment end in 'comments'. It is only valid when did_ai is TRUE.
*/
EXTERN int end_comment_pending INIT(= NUL);
#endif
#ifdef FEAT_SCROLLBIND
/*
* This flag is set after a ":syncbind" to let the check_scrollbind() function
* know that it should not attempt to perform scrollbinding due to the scroll
* that was a result of the ":syncbind." (Otherwise, check_scrollbind() will
* undo some of the work done by ":syncbind.") -ralston
*/
EXTERN int did_syncbind INIT(= FALSE);
#endif
#ifdef FEAT_SMARTINDENT
/*
* This flag is set when a smart indent has been performed. When the next typed
* character is a '{' the inserted tab will be deleted again.
*/
EXTERN int did_si INIT(= FALSE);
/*
* This flag is set after an auto indent. If the next typed character is a '}'
* one indent will be removed.
*/
EXTERN int can_si INIT(= FALSE);
/*
* This flag is set after an "O" command. If the next typed character is a '{'
* one indent will be removed.
*/
EXTERN int can_si_back INIT(= FALSE);
#endif
EXTERN pos_T saved_cursor /* w_cursor before formatting text. */
#ifdef DO_INIT
= INIT_POS_T(0, 0, 0)
#endif
;
/*
* Stuff for insert mode.
*/
EXTERN pos_T Insstart; /* This is where the latest
* insert/append mode started. */
/* This is where the latest insert/append mode started. In contrast to
* Insstart, this won't be reset by certain keys and is needed for
* op_insert(), to detect correctly where inserting by the user started. */
EXTERN pos_T Insstart_orig;
#ifdef FEAT_VREPLACE
/*
* Stuff for VREPLACE mode.
*/
EXTERN int orig_line_count INIT(= 0); /* Line count when "gR" started */
EXTERN int vr_lines_changed INIT(= 0); /* #Lines changed by "gR" so far */
#endif
#if defined(FEAT_X11) && defined(FEAT_XCLIPBOARD)
/* argument to SETJMP() for handling X IO errors */
EXTERN JMP_BUF x_jump_env;
#endif
#if defined(HAVE_SETJMP_H)
/*
* Stuff for setjmp() and longjmp().
* Used to protect areas where we could crash.
*/
EXTERN JMP_BUF lc_jump_env; /* argument to SETJMP() */
# ifdef SIGHASARG
/* volatile because it is used in signal handlers. */
EXTERN volatile int lc_signal; /* caught signal number, 0 when no was signal
caught; used for mch_libcall() */
# endif
/* volatile because it is used in signal handler deathtrap(). */
EXTERN volatile int lc_active INIT(= FALSE); /* TRUE when lc_jump_env is valid. */
#endif
#if defined(FEAT_MBYTE) || defined(FEAT_POSTSCRIPT)
/*
* These flags are set based upon 'fileencoding'.
* Note that "enc_utf8" is also set for "unicode", because the characters are
* internally stored as UTF-8 (to avoid trouble with NUL bytes).
*/
# define DBCS_JPN 932 /* japan */
# define DBCS_JPNU 9932 /* euc-jp */
# define DBCS_KOR 949 /* korea */
# define DBCS_KORU 9949 /* euc-kr */
# define DBCS_CHS 936 /* chinese */
# define DBCS_CHSU 9936 /* euc-cn */
# define DBCS_CHT 950 /* taiwan */
# define DBCS_CHTU 9950 /* euc-tw */
# define DBCS_2BYTE 1 /* 2byte- */
# define DBCS_DEBUG -1
#endif
#ifdef FEAT_MBYTE
EXTERN int enc_dbcs INIT(= 0); /* One of DBCS_xxx values if
DBCS encoding */
EXTERN int enc_unicode INIT(= 0); /* 2: UCS-2 or UTF-16, 4: UCS-4 */
EXTERN int enc_utf8 INIT(= FALSE); /* UTF-8 encoded Unicode */
EXTERN int enc_latin1like INIT(= TRUE); /* 'encoding' is latin1 comp. */
# if defined(WIN3264) || defined(FEAT_CYGWIN_WIN32_CLIPBOARD)
/* Codepage nr of 'encoding'. Negative means it's not been set yet, zero
* means 'encoding' is not a valid codepage. */
EXTERN int enc_codepage INIT(= -1);
EXTERN int enc_latin9 INIT(= FALSE); /* 'encoding' is latin9 */
# endif
EXTERN int has_mbyte INIT(= 0); /* any multi-byte encoding */
# if defined(WIN3264) && defined(FEAT_MBYTE)
EXTERN int wide_WindowProc INIT(= FALSE); /* use wide WindowProc() */
# endif
/*
* To speed up BYTELEN() we fill a table with the byte lengths whenever
* enc_utf8 or enc_dbcs changes.
*/
EXTERN char mb_bytelen_tab[256];
/* Variables that tell what conversion is used for keyboard input and display
* output. */
EXTERN vimconv_T input_conv; /* type of input conversion */
EXTERN vimconv_T output_conv; /* type of output conversion */
/*
* Function pointers, used to quickly get to the right function. Each has
* three possible values: latin_ (8-bit), utfc_ or utf_ (utf-8) and dbcs_
* (DBCS).
* The value is set in mb_init();
*/
/* length of char in bytes, including following composing chars */
EXTERN int (*mb_ptr2len)(char_u *p) INIT(= latin_ptr2len);
/* idem, with limit on string length */
EXTERN int (*mb_ptr2len_len)(char_u *p, int size) INIT(= latin_ptr2len_len);
/* byte length of char */
EXTERN int (*mb_char2len)(int c) INIT(= latin_char2len);
/* convert char to bytes, return the length */
EXTERN int (*mb_char2bytes)(int c, char_u *buf) INIT(= latin_char2bytes);
EXTERN int (*mb_ptr2cells)(char_u *p) INIT(= latin_ptr2cells);
EXTERN int (*mb_ptr2cells_len)(char_u *p, int size) INIT(= latin_ptr2cells_len);
EXTERN int (*mb_char2cells)(int c) INIT(= latin_char2cells);
EXTERN int (*mb_off2cells)(unsigned off, unsigned max_off) INIT(= latin_off2cells);
EXTERN int (*mb_ptr2char)(char_u *p) INIT(= latin_ptr2char);
EXTERN int (*mb_head_off)(char_u *base, char_u *p) INIT(= latin_head_off);
# if defined(USE_ICONV) && defined(DYNAMIC_ICONV)
/* Pointers to functions and variables to be loaded at runtime */
EXTERN size_t (*iconv) (iconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft);
EXTERN iconv_t (*iconv_open) (const char *tocode, const char *fromcode);
EXTERN int (*iconv_close) (iconv_t cd);
EXTERN int (*iconvctl) (iconv_t cd, int request, void *argument);
EXTERN int* (*iconv_errno) (void);
# endif
#endif /* FEAT_MBYTE */
#ifdef FEAT_XIM
# ifdef FEAT_GUI_GTK
EXTERN GtkIMContext *xic INIT(= NULL);
/*
* Start and end column of the preedit area in virtual columns from the start
* of the text line. When there is no preedit area they are set to MAXCOL.
* "preedit_end_col" is needed for coloring the preedited string. Drawing the
* color between "preedit_start_col" and curpos did not work, because some XIM
* set the cursor position to the first char of the string.
*/
EXTERN colnr_T preedit_start_col INIT(= MAXCOL);
EXTERN colnr_T preedit_end_col INIT(= MAXCOL);
/* "xim_changed_while_preediting" is set when changed() can set the 'modified'
* flag even while preediting. */
EXTERN int xim_changed_while_preediting INIT(= FALSE);
# else
EXTERN XIC xic INIT(= NULL);
# endif
# ifdef FEAT_GUI
EXTERN guicolor_T xim_fg_color INIT(= INVALCOLOR);
EXTERN guicolor_T xim_bg_color INIT(= INVALCOLOR);
# endif
#endif
#ifdef FEAT_HANGULIN
EXTERN int composing_hangul INIT(= 0);
EXTERN char_u composing_hangul_buffer[5];
#endif
/*
* "State" is the main state of Vim.
* There are other variables that modify the state:
* "Visual_mode" When State is NORMAL or INSERT.
* "finish_op" When State is NORMAL, after typing the operator and before
* typing the motion command.
*/
EXTERN int State INIT(= NORMAL); /* This is the current state of the
* command interpreter. */
EXTERN int finish_op INIT(= FALSE);/* TRUE while an operator is pending */
EXTERN long opcount INIT(= 0); /* count for pending operator */
/*
* Ex mode (Q) state
*/
EXTERN int exmode_active INIT(= 0); /* zero, EXMODE_NORMAL or EXMODE_VIM */
EXTERN int ex_no_reprint INIT(= FALSE); /* no need to print after z or p */
EXTERN int Recording INIT(= FALSE); /* TRUE when recording into a reg. */
EXTERN int Exec_reg INIT(= FALSE); /* TRUE when executing a register */
EXTERN int no_mapping INIT(= FALSE); /* currently no mapping allowed */
EXTERN int no_zero_mapping INIT(= 0); /* mapping zero not allowed */
EXTERN int allow_keys INIT(= FALSE); /* allow key codes when no_mapping
* is set */
EXTERN int no_u_sync INIT(= 0); /* Don't call u_sync() */
#ifdef FEAT_EVAL
EXTERN int u_sync_once INIT(= 0); /* Call u_sync() once when evaluating
an expression. */
#endif
EXTERN int restart_edit INIT(= 0); /* call edit when next cmd finished */
EXTERN int arrow_used; /* Normally FALSE, set to TRUE after
* hitting cursor key in insert mode.
* Used by vgetorpeek() to decide when
* to call u_sync() */
EXTERN int ins_at_eol INIT(= FALSE); /* put cursor after eol when
restarting edit after CTRL-O */
#ifdef FEAT_INS_EXPAND
EXTERN char_u *edit_submode INIT(= NULL); /* msg for CTRL-X submode */
EXTERN char_u *edit_submode_pre INIT(= NULL); /* prepended to edit_submode */
EXTERN char_u *edit_submode_extra INIT(= NULL);/* appended to edit_submode */
EXTERN hlf_T edit_submode_highl; /* highl. method for extra info */
EXTERN int ctrl_x_mode INIT(= 0); /* Which Ctrl-X mode are we in? */
#endif
EXTERN int no_abbr INIT(= TRUE); /* TRUE when no abbreviations loaded */
#ifdef USE_EXE_NAME
EXTERN char_u *exe_name; /* the name of the executable */
#endif
#ifdef USE_ON_FLY_SCROLL
EXTERN int dont_scroll INIT(= FALSE);/* don't use scrollbars when TRUE */
#endif
EXTERN int mapped_ctrl_c INIT(= FALSE); /* modes where CTRL-C is mapped */
EXTERN int ctrl_c_interrupts INIT(= TRUE); /* CTRL-C sets got_int */
EXTERN cmdmod_T cmdmod; /* Ex command modifiers */
EXTERN int msg_silent INIT(= 0); /* don't print messages */
EXTERN int emsg_silent INIT(= 0); /* don't print error messages */
EXTERN int emsg_noredir INIT(= 0); /* don't redirect error messages */
EXTERN int cmd_silent INIT(= FALSE); /* don't echo the command line */
#if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) \