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- /* vi:set ts=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
- *
- * EXTERN is only defined in main.c (and in option.h)
- */
-
- #ifndef EXTERN
- # define EXTERN extern
- # define INIT(x)
- #else
- # ifndef INIT
- # define INIT(x) x
- # endif
- #endif
-
- /*
- * Number of Rows and Columns in the screen.
- * Must be long to be able to use them as options in option.c.
- */
- EXTERN long Rows; /* number of rows in the screen */
- EXTERN long Columns; /* number of columns in the screen */
-
- /*
- * The characters that are currently on the screen are kept in NextScreen.
- * It is a single block of characters, twice the size of the screen.
- * First come the characters for one line, then the attributes for that line.
- *
- * "LinePointers[n]" points into NextScreen, at the start of line 'n'.
- * "LinePointers[n] + Columns" points to the attibutes of line 'n'.
- */
- EXTERN char_u *NextScreen INIT(= NULL);
- EXTERN char_u **LinePointers INIT(= NULL);
-
- EXTERN int screen_Rows INIT(= 0); /* actual size of NextScreen */
- EXTERN int screen_Columns INIT(= 0); /* actual size of NextScreen */
-
- /*
- * Positioning the cursor is reduced by remembering the last position.
- * Mostly used by screen_char().
- */
- EXTERN int screen_cur_row, screen_cur_col; /* last known cursor position */
-
- /*
- * 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
- * updateScreen().
- */
- 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 modified INIT(= FALSE); /* buffer was modified since
- last redraw */
- EXTERN int tag_modified INIT(= FALSE); /* buffer was modified since
- start of tag command */
- 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);
-
- /*
- * used for completion on the command line
- */
- EXTERN int expand_context INIT(= CONTEXT_UNKNOWN);
- EXTERN char_u *expand_pattern INIT(= NULL);
- EXTERN int expand_interactively INIT(= FALSE);
-
- /*
- * Functions for putting characters in the command line,
- * while keeping NextScreen updated.
- */
- EXTERN int msg_col;
- EXTERN int msg_row;
- EXTERN int msg_scrolled;
-
- EXTERN char_u *keep_msg INIT(= NULL); /* msg to be shown after redraw */
- EXTERN int keep_msg_highlight INIT(= 0);/* highlight for keep_msg */
- #ifdef SLEEP_IN_EMSG
- EXTERN int need_sleep INIT(= FALSE); /* call sleep() before redraw */
- #endif
- 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 emsg_off INIT(= FALSE); /* don't display errors for now */
- EXTERN int did_emsg; /* set by emsg() for DoOneCmd() */
- EXTERN int emsg_on_display INIT(= FALSE); /* there is an error message */
- 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 */
-
- EXTERN int msg_highlight INIT(= FALSE);/* message should be highlighted */
- EXTERN char_u *highlight INIT(= NULL); /* string for start of highlighting */
- EXTERN char_u *unhighlight INIT(= NULL); /* string for end of highlighting */
- EXTERN int scroll_region INIT(= FALSE);/* terminal supports scroll region */
- EXTERN int highlight_match INIT(= FALSE); /* show search match pos */
- EXTERN int search_match_len; /* length of matched string */
- EXTERN int no_smartcase INIT(= FALSE); /* don't use 'smartcase' once */
- EXTERN int need_check_timestamps INIT(= FALSE); /* got STOP signal */
-
- #ifdef 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 */
- #endif
-
- #ifdef USE_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 */
- #endif
-
- #ifdef USE_GUI
- /*
- * Menu item just selected, set by check_termcode()
- */
- EXTERN GuiMenu *current_menu;
-
- /*
- * Scrollbar moved and new value, set by check_termcode()
- */
- EXTERN int current_scrollbar;
- EXTERN long_u scrollbar_value;
- #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.
- */
- EXTERN WIN *firstwin; /* first window */
- EXTERN WIN *lastwin; /* last window */
- EXTERN WIN *curwin; /* currently active window */
-
- /*
- * 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 *firstbuf INIT(= NULL); /* first buffer */
- EXTERN BUF *lastbuf INIT(= NULL); /* last buffer */
- EXTERN BUF *curbuf INIT(= NULL); /* currently active buffer */
-
- /*
- * list of files being edited (argument list)
- */
- EXTERN char_u **arg_files; /* list of files */
- EXTERN int arg_count; /* number of files */
- EXTERN int arg_exp; /* when TRUE arg_files must be freed */
- EXTERN int arg_had_last INIT(= FALSE); /* accessed last file in arglist */
-
- EXTERN int ru_col; /* column for ruler */
- EXTERN int sc_col; /* column for shown command */
-
- /*
- * When starting or exiting some things are done differently (e.g. screen
- * updating).
- */
- EXTERN int starting INIT(= TRUE);
- /* set to FALSE when starting up finished */
- EXTERN int exiting INIT(= FALSE);
- /* set to TRUE when abandoning Vim */
- EXTERN int full_screen INIT(= TRUE);
- /* set to FALSE when not doing full-screen
- * output and only writing some messages */
-
- EXTERN int secure INIT(= FALSE);
- /* set to TRUE when only "safe" commands are
- * allowed, e.g. when sourcing .exrc or .vimrc
- * in current directory */
-
- EXTERN int found_version INIT(= 0);
- /* version nr found after :version command */
-
- EXTERN FPOS VIsual; /* start position of Visual */
- EXTERN FPOS VIsual_save; /* copy of VIsual before 'v' command */
- EXTERN int VIsual_active INIT(= FALSE);
- /* wheter Visual mode is active */
- EXTERN FPOS VIsual_end; /* end position of Visual; set when
- VIsual_active becomes FALSE */
-
- EXTERN int VIsual_mode INIT(= 'v');
- /* type of Visual mode */
- EXTERN int VIsual_mode_save;
- /* copy of VIsual_mode before 'v' command */
- EXTERN int redo_VIsual_busy INIT(= FALSE);
- /* TRUE when redo-ing a visual */
-
- #ifdef USE_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 FPOS 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 editting 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);
-
- /*
- * 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);
-
- EXTERN int old_indent INIT(= 0); /* for ^^D command in insert mode */
-
- EXTERN int State INIT(= NORMAL); /* This is the current state of the
- * command interpreter. */
- EXTERN int no_mapping INIT(= FALSE); /* currently no mapping allowed */
- EXTERN int allow_keys INIT(= FALSE); /* allow key codes when no_mapping
- * is set */
-
- EXTERN int restart_edit INIT(= 0); /* call edit when next command 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 INSERT_EXPAND
- EXTERN char_u *edit_submode INIT(= NULL); /* msg for CTRL-X submode */
- EXTERN char_u *edit_submode_extra INIT(= NULL);/* extra info for msg */
- EXTERN int edit_submode_highl; /* highlight method for extra info */
- EXTERN int ctrl_x_mode INIT(= 0); /* Which Ctrl-X mode are we in? */
- #endif
-
- EXTERN int Recording INIT(= FALSE);/* TRUE when recording into a register
- */
- EXTERN int Exec_reg INIT(= FALSE); /* TRUE when executing a register */
-
- EXTERN int did_cd INIT(= FALSE); /* TRUE when :cd dir used */
- EXTERN int no_abbr INIT(= TRUE); /* TRUE when no abbreviations loaded */
- EXTERN int fo_do_comments INIT(= FALSE);
- /* TRUE when comments are to be
- * formatted */
- #if defined MSDOS || defined WIN32
- EXTERN int beep_count INIT(= 0); /* nr of beeps since last char typed */
- #endif
-
- EXTERN char_u *IObuff; /* sprintf's are done in this buffer */
- EXTERN char_u *NameBuff; /* file names are expanded in this
- * buffer */
- EXTERN char_u msg_buf[MSG_BUF_LEN]; /* small buffer for messages */
-
- EXTERN int RedrawingDisabled INIT(= FALSE);
- /* Set to TRUE if doing :g */
-
- EXTERN int readonlymode INIT(= FALSE); /* Set to TRUE for "view" */
- EXTERN int recoverymode INIT(= FALSE); /* Set to TRUE for "-r" option */
-
- EXTERN char_u *typebuf INIT(= NULL); /* buffer for typed characters */
- EXTERN int typebuflen; /* size of typebuf */
- EXTERN int typeoff; /* current position in typebuf */
- EXTERN int typelen; /* number of valid chars in typebuf */
- EXTERN int KeyTyped; /* TRUE if user typed current char */
- EXTERN int KeyStuffed; /* TRUE if current char from stuffbuf */
-
- 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 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 got_int INIT(= FALSE); /* set to TRUE when interrupt
- signal occurred */
- EXTERN int term_console INIT(= FALSE); /* set to TRUE when consule used */
- EXTERN int termcap_active INIT(= FALSE); /* set by starttermcap() */
- EXTERN int bangredo INIT(= FALSE); /* set to TRUE whith ! command */
- EXTERN int searchcmdlen; /* length of previous search cmd */
- EXTERN int reg_ic INIT(= 0); /* p_ic passed to vim_regexec() */
- EXTERN int reg_magic; /* p_magic passed to ergexec() */
-
- 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 */
- #ifdef SLEEP_IN_EMSG
- EXTERN int dont_sleep INIT(= FALSE); /* set when sleep() in emsg() not
- wanted */
- #endif
- EXTERN int need_start_insertmode INIT(= FALSE);
- /* start insert mode soon */
- EXTERN int rc_did_emsg INIT(= FALSE); /* vim_regcomp() called emsg() */
- EXTERN int no_wait_return INIT(= 0); /* don't wait for return now */
- EXTERN int need_wait_return INIT(= 0); /* need to wait for return later */
- EXTERN int dont_wait_return INIT(= 0); /* no need to wait for return */
- EXTERN int quit_more INIT(= FALSE); /* 'q' hit at "--more--" msg */
- EXTERN char_u *last_cmdline INIT(= NULL); /* last command line (for ":) */
- EXTERN char_u *new_last_cmdline INIT(= NULL); /* new value for last_cmdline */
- #ifdef AUTOCMD
- EXTERN char_u *autocmd_fname INIT(= NULL); /* fname for <afile> on cmdline */
- #endif
-
- EXTERN int postponed_split INIT(= FALSE); /* for CTRL-W CTRL-] command */
- 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 char_u *help_save_isk INIT(= NULL);/* 'isk' saved by do_help() */
- EXTERN long help_save_ts INIT(= 0); /* 'ts' saved by do_help() */
- 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
-
- #ifdef HAVE_LANGMAP
- EXTERN char_u langmap_mapchar[256]; /* mapping for language keys */
- #endif
-
- EXTERN char breakat_flags[256]; /* which characters are in 'breakat' */
-
- extern char *Version; /* this is in version.c */
- extern char *longVersion; /* this is in version.c */
-
- /*
- * Some file names for Unix are stored in pathdef.c, to make their value
- * depend on the Makefile.
- */
- #if defined(HAVE_CONFIG_H) || defined(OS2)
- extern char_u *sys_vimrc_fname; /* this is in pathdef.c */
- extern char_u *sys_gvimrc_fname; /* this is in pathdef.c */
- extern char_u *help_fname; /* this is in pathdef.c */
- extern char_u *all_cflags; /* this is in pathdef.c */
- #endif
-
- EXTERN char_u no_lines_msg[] INIT(="--No lines in buffer--");
-
- /*
- * The error messages that can be shared are included here.
- * Excluded are very specific errors and debugging messages.
- */
- EXTERN char_u e_abbr[] INIT(="No such abbreviation");
- EXTERN char_u e_abort[] INIT(="Command aborted");
- EXTERN char_u e_ambmap[] INIT(="Ambiguous mapping");
- EXTERN char_u e_argreq[] INIT(="Argument required");
- EXTERN char_u e_backslash[] INIT(="\\ should be followed by /, ? or &");
- EXTERN char_u e_curdir[] INIT(="Command not allowed from exrc/vimrc in current dir or tag search");
- EXTERN char_u e_errorf[] INIT(="No errorfile name");
- EXTERN char_u e_exists[] INIT(="File exists (use ! to override)");
- EXTERN char_u e_failed[] INIT(="Command failed");
- EXTERN char_u e_internal[] INIT(="Internal error");
- EXTERN char_u e_interr[] INIT(="Interrupted");
- EXTERN char_u e_invaddr[] INIT(="Invalid address");
- EXTERN char_u e_invarg[] INIT(="Invalid argument");
- EXTERN char_u e_invrange[] INIT(="Invalid range");
- EXTERN char_u e_invcmd[] INIT(="Invalid command");
- EXTERN char_u e_markinval[] INIT(="Mark has invalid line number");
- EXTERN char_u e_marknotset[] INIT(="Mark not set");
- EXTERN char_u e_nesting[] INIT(="Scripts nested too deep");
- EXTERN char_u e_noalt[] INIT(="No alternate file");
- EXTERN char_u e_nobang[] INIT(="No ! allowed");
- EXTERN char_u e_nogvim[] INIT(="GUI cannot be used: Not enabled at compile time\n");
- EXTERN char_u e_nohebrew[] INIT(="Hebrew cannot be used: Not enabled at compile time\n");
- EXTERN char_u e_noinstext[] INIT(="No inserted text yet");
- EXTERN char_u e_nolastcmd[] INIT(="No previous command line");
- EXTERN char_u e_nomap[] INIT(="No such mapping");
- EXTERN char_u e_nomatch[] INIT(="No match");
- EXTERN char_u e_nomore[] INIT(="No more files to edit");
- EXTERN char_u e_noname[] INIT(="No file name");
- EXTERN char_u e_nopresub[] INIT(="No previous substitute regular expression");
- EXTERN char_u e_noprev[] INIT(="No previous command");
- EXTERN char_u e_noprevre[] INIT(="No previous regular expression");
- EXTERN char_u e_norange[] INIT(="No range allowed");
- EXTERN char_u e_noroom[] INIT(="Not enough room");
- EXTERN char_u e_notcreate[] INIT(="Can't create file %s");
- EXTERN char_u e_notmp[] INIT(="Can't get temp file name");
- EXTERN char_u e_notopen[] INIT(="Can't open file %s");
- EXTERN char_u e_notread[] INIT(="Can't read file %s");
- EXTERN char_u e_nowrtmsg[] INIT(="No write since last change (use ! to override)");
- EXTERN char_u e_null[] INIT(="Null argument");
- EXTERN char_u e_number[] INIT(="Number expected");
- EXTERN char_u e_openerrf[] INIT(="Can't open errorfile %s");
- EXTERN char_u e_outofmem[] INIT(="Out of memory!");
- EXTERN char_u e_patnotf[] INIT(="Pattern not found");
- EXTERN char_u e_positive[] INIT(="Argument must be positive");
- EXTERN char_u e_quickfix[] INIT(="No Errors");
- EXTERN char_u e_re_damg[] INIT(="Damaged match string");
- EXTERN char_u e_re_corr[] INIT(="Corrupted regexp program");
- EXTERN char_u e_readonly[] INIT(="'readonly' option is set (use ! to override)");
- EXTERN char_u e_readerrf[] INIT(="Error while reading errorfile");
- EXTERN char_u e_scroll[] INIT(="Invalid scroll size");
- EXTERN char_u e_toocompl[] INIT(="Command too complex");
- EXTERN char_u e_toombra[] INIT(="Too many (");
- EXTERN char_u e_toomket[] INIT(="Too many )");
- EXTERN char_u e_toomsbra[] INIT(="Too many [");
- EXTERN char_u e_toolong[] INIT(="Command too long");
- EXTERN char_u e_toomany[] INIT(="Too many file names");
- EXTERN char_u e_trailing[] INIT(="Trailing characters");
- EXTERN char_u e_umark[] INIT(="Unknown mark");
- EXTERN char_u e_unknown[] INIT(="Unknown");
- EXTERN char_u e_write[] INIT(="Error while writing");
- EXTERN char_u e_zerocount[] INIT(="Zero count");
-