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Diffstat (limited to 'src/globals.h')
-rw-r--r-- | src/globals.h | 1381 |
1 files changed, 1381 insertions, 0 deletions
diff --git a/src/globals.h b/src/globals.h new file mode 100644 index 0000000000..6f53317a63 --- /dev/null +++ b/src/globals.h @@ -0,0 +1,1381 @@ +/* vi:set ts=8 sts=4 sw=4: + * + * 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(MSDOS) || defined(WIN3264) || defined(OS2) + = 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[]. + */ +EXTERN schar_T *ScreenLines INIT(= NULL); +EXTERN sattr_T *ScreenAttrs INIT(= NULL); +EXTERN unsigned *LineOffset INIT(= NULL); +EXTERN char_u *LineWraps INIT(= NULL); + +#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. + * Note: These three are only allocated when enc_utf8 is set! + */ +EXTERN u8char_T *ScreenLinesUC INIT(= NULL); /* decoded UTF-8 characters */ +EXTERN u8char_T *ScreenLinesC1 INIT(= NULL); /* first composing char */ +EXTERN u8char_T *ScreenLinesC2 INIT(= NULL); /* second composing char */ + +/* 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 + +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 KSMOD_* 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 */ +#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 global_changedtick INIT(= 0); /* incremented for each + change, also for undo */ +EXTERN int screen_cleared INIT(= FALSE); /* screen has been cleared */ + +/* + * When '$' is included in 'cpoptions' option set: + * When a change command is given that deletes only part of a line, a dollar + * is put at the end of the changed text. dollar_vcol is set to the virtual + * column of this '$'. + */ +EXTERN colnr_T dollar_vcol INIT(= 0); + +#ifdef FEAT_INS_EXPAND +/* + * used for Insert mode completion + */ +EXTERN int completion_length INIT(= 0); +EXTERN int continue_status INIT(= 0); +EXTERN int completion_interrupted INIT(= FALSE); + +/* flags for continue_status */ +#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 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 */ +#ifdef FEAT_EVAL +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" */ +#endif +EXTERN int did_emsg; /* set by emsg() when the message + is displayed or thrown */ +EXTERN int called_emsg; /* always set by emsg() */ +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 */ +EXTERN int more_back INIT(= 0); /* 'b' or 'u' at "--more--" msg */ +EXTERN int more_back_used INIT(= FALSE); /* using more_back */ +#if defined(UNIX) || defined(__EMX__) || 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 vgetc_busy INIT(= FALSE); /* inside vgetc() now */ + +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 */ + +/* + * 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" or ":endwhile" or for a function whithout + * 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 +EXTERN scid_T current_SID INIT(= 0); /* ID of script being sourced or + was sourced to define the + current function. */ +#endif +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 */ +# 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_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 autocmd_block INIT(= 0); /* block all autocmds */ +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 buf_T *au_new_curbuf 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(= 0); +# 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_VERTSPLIT +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 */ +#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 + +/* 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. + */ +EXTERN 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 */ +# endif +#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 W_NEXT(wp) ((wp)->w_next) +# define FOR_ALL_WINDOWS(wp) for (wp = firstwin; wp != NULL; wp = wp->w_next) +#else +# define firstwin curwin +# define lastwin curwin +# define W_NEXT(wp) NULL +# define FOR_ALL_WINDOWS(wp) wp = curwin; +#endif +EXTERN win_T *curwin; /* currently active window */ + +/* + * 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 */ + +/* + * 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 */ + +/* + * 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 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 abandoning Vim */ +EXTERN 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 */ + +#ifdef FEAT_EVAL +# define HAVE_SANDBOX +EXTERN int sandbox INIT(= 0); + /* non-zero when evaluating an expression in a + * "sandbox". Not allowed to change the + * buffer. */ +#endif + +EXTERN int silent_mode INIT(= FALSE); + /* set to TRUE when "-s" commandline argument + * used for ex */ + +#ifdef FEAT_VISUAL +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 */ +#endif + +#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 +# endif + ; + +/* + * Stuff for insert mode. + */ +EXTERN pos_T Insstart; /* This is where the latest + * insert/append mode started. */ +#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 +EXTERN int lc_signal; /* catched signal number, 0 when no was signal + catched; used for mch_libcall() */ +#endif +EXTERN 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 */ +# ifdef WIN3264 +/* 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); +# 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(); + */ +EXTERN int (*mb_ptr2len_check) __ARGS((char_u *p)) INIT(= latin_ptr2len_check); +EXTERN int (*mb_char2len) __ARGS((int c)) INIT(= latin_char2len); +EXTERN int (*mb_char2bytes) __ARGS((int c, char_u *buf)) INIT(= latin_char2bytes); +EXTERN int (*mb_ptr2cells) __ARGS((char_u *p)) INIT(= latin_ptr2cells); +EXTERN int (*mb_char2cells) __ARGS((int c)) INIT(= latin_char2cells); +EXTERN int (*mb_off2cells) __ARGS((unsigned off)) INIT(= latin_off2cells); +EXTERN int (*mb_ptr2char) __ARGS((char_u *p)) INIT(= latin_ptr2char); +EXTERN int (*mb_head_off) __ARGS((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 +# ifdef HAVE_GTK2 +EXTERN GtkIMContext *xic INIT(= NULL); +# else +EXTERN GdkICAttr *xic_attr INIT(= NULL); +EXTERN GdkIC *xic INIT(= NULL); +EXTERN char *draw_feedback INIT(= NULL); +# endif +/* + * 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 +EXTERN guicolor_T xim_fg_color INIT(= INVALCOLOR); +EXTERN guicolor_T xim_bg_color INIT(= INVALCOLOR); +#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 */ + +/* + * 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() */ + +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() */ +#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 enum hlf_value 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 MSDOS +EXTERN int beep_count INIT(= 0); /* nr of beeps since last char typed */ +#endif + +#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); /* 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 cmd_silent INIT(= FALSE); /* don't echo the command line */ + +#if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) +EXTERN int swap_exists_action INIT(= 0); /* use dialog when swap file + already exists */ +#endif + +EXTERN char_u *IObuff; /* sprintf's are done in this buffer, + size is IOSIZE */ +EXTERN char_u *NameBuff; /* file names are expanded in this + * buffer, size is MAXPATHL */ +EXTERN char_u msg_buf[MSG_BUF_LEN]; /* small buffer for messages */ + +/* When non-zero, postpone redrawing. */ +EXTERN int RedrawingDisabled INIT(= 0); + +EXTERN int readonlymode INIT(= FALSE); /* Set to TRUE for "view" */ +EXTERN int recoverymode INIT(= FALSE); /* Set to TRUE for "-r" option */ + +EXTERN struct buffheader stuffbuff /* stuff buffer */ +#ifdef DO_INIT + = {{NULL, {NUL}}, NULL, 0, 0} +#endif + ; +EXTERN typebuf_T typebuf /* typeahead buffer */ +#ifdef DO_INIT + = {NULL, NULL} +#endif + ; +#ifdef FEAT_EX_EXTRA +EXTERN int ex_normal_busy INIT(= 0); /* recursivenes of ex_normal() */ +#endif +EXTERN int stop_insert_mode; /* for ":stopinsert" and 'insertmode' */ + +EXTERN int KeyTyped; /* TRUE if user typed current char */ +EXTERN int KeyStuffed; /* TRUE if current char from stuffbuf */ +#ifdef USE_IM_CONTROL +EXTERN int vgetc_im_active; /* Input Method was active for last + character obtained from vgetc() */ +#endif +EXTERN int maptick INIT(= 0); /* tick for each non-mapped char */ + +EXTERN char_u chartab[256]; /* table used in charset.c; See + init_chartab() for explanation */ + +EXTERN int must_redraw INIT(= 0); /* type of redraw necessary */ +EXTERN int skip_redraw INIT(= FALSE); /* skip redraw once */ +EXTERN int do_redraw INIT(= FALSE); /* extra redraw once */ + +EXTERN int need_highlight_changed INIT(= TRUE); +EXTERN char_u *use_viminfo INIT(= NULL); /* name of viminfo file to use */ + +#define NSCRIPT 15 +EXTERN FILE *scriptin[NSCRIPT]; /* streams to read script from */ +EXTERN int curscript INIT(= 0); /* index in scriptin[] */ +EXTERN FILE *scriptout INIT(= NULL); /* stream to write script to */ +EXTERN int read_cmd_fd INIT(= 0); /* fd to read commands from */ + +EXTERN int got_int INIT(= FALSE); /* set to TRUE when interrupt + signal occurred */ +#ifdef USE_TERM_CONSOLE +EXTERN int term_console INIT(= FALSE); /* set to TRUE when console used */ +#endif +EXTERN int termcap_active INIT(= FALSE); /* set by starttermcap() */ +EXTERN int cur_tmode INIT(= TMODE_COOK); /* input terminal mode */ +EXTERN int bangredo INIT(= FALSE); /* set to TRUE whith ! command */ +EXTERN int searchcmdlen; /* length of previous search cmd */ +EXTERN int reg_syn INIT(= 0); /* vim_regexec() used for syntax */ +#ifdef FEAT_SYN_HL +EXTERN int reg_do_extmatch INIT(= 0); /* Used when compiling regexp: + * REX_SET to allow \z\(...\), + * REX_USE to allow \z\1 et al. */ +EXTERN reg_extmatch_T *re_extmatch_in INIT(= NULL); /* Used by vim_regexec(): + * strings for \z\1...\z\9 */ +EXTERN reg_extmatch_T *re_extmatch_out INIT(= NULL); /* Set by vim_regexec() + * to store \z\(...\) matches */ +#endif + +EXTERN int did_outofmem_msg INIT(= FALSE); + /* set after out of memory msg */ +EXTERN int did_swapwrite_msg INIT(= FALSE); + /* set after swap write error msg */ +EXTERN int undo_off INIT(= FALSE); /* undo switched off for now */ +EXTERN int global_busy INIT(= 0); /* set when :global is executing */ +EXTERN int listcmd_busy INIT(= FALSE); /* set when :argdo, :windo or + :bufdo is executing */ +EXTERN int need_start_insertmode INIT(= FALSE); + /* start insert mode soon */ +EXTERN char_u *last_cmdline INIT(= NULL); /* last command line (for ":) */ +EXTERN char_u *repeat_cmdline INIT(= NULL); /* command line for "." */ +#ifdef FEAT_CMDHIST +EXTERN char_u *new_last_cmdline INIT(= NULL); /* new value for last_cmdline */ +#endif +#ifdef FEAT_AUTOCMD +EXTERN char_u *autocmd_fname INIT(= NULL); /* fname for <afile> on cmdline */ +EXTERN int autocmd_bufnr INIT(= 0); /* fnum for <abuf> on cmdline */ +EXTERN char_u *autocmd_match INIT(= NULL); /* name for <amatch> on cmdline */ +#endif + +#ifdef FEAT_WINDOWS +EXTERN int postponed_split INIT(= 0); /* for CTRL-W CTRL-] command */ +EXTERN int postponed_split_flags INIT(= 0); /* args for win_split() */ +# ifdef FEAT_QUICKFIX +EXTERN int g_do_tagpreview INIT(= 0); /* for tag preview commands: + height of preview window */ +# endif +#endif +EXTERN int replace_offset INIT(= 0); /* offset for replace_push() */ + +EXTERN char_u *escape_chars INIT(= (char_u *)" \t\\\"|"); + /* need backslash in cmd line */ + +EXTERN int keep_help_flag INIT(= FALSE); /* doing :ta from help file */ + +/* + * When a string option is NULL (which only happens in out-of-memory + * situations), it is set to empty_option, to avoid having to check for NULL + * everywhere. + */ +EXTERN char_u *empty_option INIT(= (char_u *)""); + +#ifdef DEBUG +EXTERN FILE *debugfp INIT(= NULL); +#endif + +EXTERN int redir_off INIT(= FALSE); /* no redirection for a moment */ +EXTERN FILE *redir_fd INIT(= NULL); /* message redirection file */ +#ifdef FEAT_EVAL +EXTERN int redir_reg INIT(= 0); /* message redirection register */ +#endif + +#ifdef FEAT_LANGMAP +EXTERN char_u langmap_mapchar[256]; /* mapping for language keys */ +#endif + +#ifdef FEAT_WILDMENU +EXTERN int save_p_ls INIT(= -1); /* Save 'laststatus' setting */ +EXTERN int save_p_wmh INIT(= -1); /* Save 'winminheight' setting */ +EXTERN int wild_menu_showing INIT(= 0); +#define WM_SHOWN 1 /* wildmenu showing */ +#define WM_SCROLLED 2 /* wildmenu showing with scroll */ +#endif + +#ifdef MSWIN +EXTERN char_u toupper_tab[256]; /* table for toupper() */ +EXTERN char_u tolower_tab[256]; /* table for tolower() */ +#endif + +#ifdef FEAT_LINEBREAK +EXTERN char breakat_flags[256]; /* which characters are in 'breakat' */ +#endif + +/* these are in version.c */ +extern char *Version; +extern char *mediumVersion; +#if defined(HAVE_DATE_TIME) && defined(VMS) && defined(VAXC) +extern char longVersion[]; +#else +extern char *longVersion; +#endif + +/* + * Some file names are stored in pathdef.c, which is generated from the + * Makefile to make their value depend on the Makefile. + */ +#ifdef HAVE_PATHDEF +extern char_u *default_vim_dir; +extern char_u *default_vimruntime_dir; +extern char_u *all_cflags; +extern char_u *all_lflags; +# ifdef VMS +extern char_u *compiler_version; +# endif +extern char_u *compiled_user; +extern char_u *compiled_sys; +#endif + +/* When a window has a local directory, the absolute path of the global + * current directory is stored here (in allocated memory). If the current + * directory is not a local directory, globaldir is NULL. */ +EXTERN char_u *globaldir INIT(= NULL); + +/* Characters from 'listchars' option */ +EXTERN int lcs_eol INIT(= '$'); +EXTERN int lcs_ext INIT(= NUL); +EXTERN int lcs_prec INIT(= NUL); +EXTERN int lcs_tab1 INIT(= NUL); +EXTERN int lcs_tab2 INIT(= NUL); +EXTERN int lcs_trail INIT(= NUL); + +#if defined(FEAT_WINDOWS) || defined(FEAT_WILDMENU) || defined(FEAT_STL_OPT) \ + || defined(FEAT_FOLDING) +/* Characters from 'fillchars' option */ +EXTERN int fill_stl INIT(= ' '); +EXTERN int fill_stlnc INIT(= ' |