vim: src/ex_docmd.c comparison

comparison src/ex_docmd.c @ 17536:e00d12c085a5 v8.1.1766

patch 8.1.1766: code for writing session file is spread out commit https://github.com/vim/vim/commit/845380791196aec7f991987ebf7b22de3779d106 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jul 28 14:15:42 2019 +0200 patch 8.1.1766: code for writing session file is spread out Problem: Code for writing session file is spread out. Solution: Put it in one file. (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/4728)

author	Bram Moolenaar <Bram@vim.org>
date	Sun, 28 Jul 2019 14:30:07 +0200
parents	c8152af9fa33
children	554240b9574b

comparison

equal deleted inserted replaced

-:3015901aaaa6
+:e00d12c085a5
 static void	ex_later(exarg_T *eap);
 static void	ex_redir(exarg_T *eap);
 static void	ex_redrawstatus(exarg_T *eap);
 static void	ex_redrawtabline(exarg_T *eap);
 static void	close_redir(void);
-static void	ex_mkrc(exarg_T *eap);
 static void	ex_mark(exarg_T *eap);
 static void	ex_startinsert(exarg_T *eap);
 static void	ex_stopinsert(exarg_T *eap);
 #ifdef FEAT_FIND_ID
 static void	ex_checkpath(exarg_T *eap);
 # define ex_delfunction		ex_ni
 # define ex_return		ex_ni
 # define ex_oldfiles		ex_ni
 #endif
 static char_u	*arg_all(void);
-#ifdef FEAT_SESSION
+#ifndef FEAT_SESSION
-static int	makeopens(FILE *fd, char_u *dirnow);
-static int	put_view(FILE *fd, win_T *wp, int add_edit, unsigned *flagp, int current_arg_idx);
-static void	ex_loadview(exarg_T *eap);
-static char_u	*get_view_file(int c);
-static int	did_lcd;	/* whether ":lcd" was produced for a session */
-#else
 # define ex_loadview		ex_ni
+# define ex_mkrc		ex_ni
 #endif
 #ifndef FEAT_EVAL
 # define ex_compiler		ex_ni
 #endif
 #ifndef FEAT_VIMINFO
 	redir_vname = 0;
 }
 #endif
 }
-#if defined(FEAT_SESSION) && defined(USE_CRNL)
-# define MKSESSION_NL
-static int mksession_nl = FALSE;    /* use NL only in put_eol() */
-#endif
-/*
-* ":mkexrc", ":mkvimrc", ":mkview" and ":mksession".
-*/
-static void
-ex_mkrc(
-exarg_T	*eap)
-{
-FILE	*fd;
-int		failed = FALSE;
-char_u	*fname;
-#ifdef FEAT_BROWSE
-char_u	*browseFile = NULL;
-#endif
-#ifdef FEAT_SESSION
-int		view_session = FALSE;
-int		using_vdir = FALSE;	/* using 'viewdir'? */
-char_u	*viewFile = NULL;
-unsigned	*flagp;
-#endif
-if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview)
-{
-#ifdef FEAT_SESSION
-	view_session = TRUE;
-#else
-	ex_ni(eap);
-	return;
-#endif
-}
-#ifdef FEAT_SESSION
-/* Use the short file name until ":lcd" is used.  We also don't use the
-* short file name when 'acd' is set, that is checked later. */
-did_lcd = FALSE;
-/* ":mkview" or ":mkview 9": generate file name with 'viewdir' */
-if (eap->cmdidx == CMD_mkview
-	    && (*eap->arg == NUL
-		|| (vim_isdigit(*eap->arg) && eap->arg[1] == NUL)))
-{
-	eap->forceit = TRUE;
-	fname = get_view_file(*eap->arg);
-	if (fname == NULL)
-	    return;
-	viewFile = fname;
-	using_vdir = TRUE;
-}
-else
-#endif
-	if (*eap->arg != NUL)
-	fname = eap->arg;
-else if (eap->cmdidx == CMD_mkvimrc)
-	fname = (char_u *)VIMRC_FILE;
-#ifdef FEAT_SESSION
-else if (eap->cmdidx == CMD_mksession)
-	fname = (char_u *)SESSION_FILE;
-#endif
-else
-	fname = (char_u *)EXRC_FILE;
-#ifdef FEAT_BROWSE
-if (cmdmod.browse)
-{
-	browseFile = do_browse(BROWSE_SAVE,
-# ifdef FEAT_SESSION
-		eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") :
-		eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") :
-# endif
-		(char_u *)_("Save Setup"),
-		fname, (char_u *)"vim", NULL,
-		(char_u *)_(BROWSE_FILTER_MACROS), NULL);
-	if (browseFile == NULL)
-	    goto theend;
-	fname = browseFile;
-	eap->forceit = TRUE;	/* since dialog already asked */
-}
-#endif
-#if defined(FEAT_SESSION) && defined(vim_mkdir)
-/* When using 'viewdir' may have to create the directory. */
-if (using_vdir && !mch_isdir(p_vdir))
-	vim_mkdir_emsg(p_vdir, 0755);
-#endif
-fd = open_exfile(fname, eap->forceit, WRITEBIN);
-if (fd != NULL)
-{
-#ifdef FEAT_SESSION
-	if (eap->cmdidx == CMD_mkview)
-	    flagp = &vop_flags;
-	else
-	    flagp = &ssop_flags;
-#endif
-#ifdef MKSESSION_NL
-	/* "unix" in 'sessionoptions': use NL line separator */
-	if (view_session && (*flagp & SSOP_UNIX))
-	    mksession_nl = TRUE;
-#endif
-	/* Write the version command for :mkvimrc */
-	if (eap->cmdidx == CMD_mkvimrc)
-	    (void)put_line(fd, "version 6.0");
-#ifdef FEAT_SESSION
-	if (eap->cmdidx == CMD_mksession)
-	{
-	    if (put_line(fd, "let SessionLoad = 1") == FAIL)
-		failed = TRUE;
-	}
-	if (eap->cmdidx != CMD_mkview)
-#endif
-	{
-	    /* Write setting 'compatible' first, because it has side effects.
-	     * For that same reason only do it when needed. */
-	    if (p_cp)
-		(void)put_line(fd, "if !&cp | set cp | endif");
-	    else
-		(void)put_line(fd, "if &cp | set nocp | endif");
-	}
-#ifdef FEAT_SESSION
-	if (!view_session
-		|| (eap->cmdidx == CMD_mksession
-		    && (*flagp & SSOP_OPTIONS)))
-#endif
-	    failed |= (makemap(fd, NULL) == FAIL
-				   || makeset(fd, OPT_GLOBAL, FALSE) == FAIL);
-#ifdef FEAT_SESSION
-	if (!failed && view_session)
-	{
-	    if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL)
-		failed = TRUE;
-	    if (eap->cmdidx == CMD_mksession)
-	    {
-		char_u *dirnow;	 /* current directory */
-		dirnow = alloc(MAXPATHL);
-		if (dirnow == NULL)
-		    failed = TRUE;
-		else
-		{
-		    /*
-		     * Change to session file's dir.
-		     */
-		    if (mch_dirname(dirnow, MAXPATHL) == FAIL
-					    || mch_chdir((char *)dirnow) != 0)
-			*dirnow = NUL;
-		    if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR))
-		    {
-			if (vim_chdirfile(fname, NULL) == OK)
-			    shorten_fnames(TRUE);
-		    }
-		    else if (*dirnow != NUL
-			   && (ssop_flags & SSOP_CURDIR) && globaldir != NULL)
-		    {
-			if (mch_chdir((char *)globaldir) == 0)
-			    shorten_fnames(TRUE);
-		    }
-		    failed |= (makeopens(fd, dirnow) == FAIL);
-		    /* restore original dir */
-		    if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR)
-			|| ((ssop_flags & SSOP_CURDIR) && globaldir != NULL)))
-		    {
-			if (mch_chdir((char *)dirnow) != 0)
-			    emsg(_(e_prev_dir));
-			shorten_fnames(TRUE);
-		    }
-		    vim_free(dirnow);
-		}
-	    }
-	    else
-	    {
-		failed |= (put_view(fd, curwin, !using_vdir, flagp,
-								 -1) == FAIL);
-	    }
-	    if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save")
-								      == FAIL)
-		failed = TRUE;
-# ifdef FEAT_SEARCH_EXTRA
-	    if (no_hlsearch && put_line(fd, "nohlsearch") == FAIL)
-		failed = TRUE;
-# endif
-	    if (put_line(fd, "doautoall SessionLoadPost") == FAIL)
-		failed = TRUE;
-	    if (eap->cmdidx == CMD_mksession)
-	    {
-		if (put_line(fd, "unlet SessionLoad") == FAIL)
-		    failed = TRUE;
-	    }
-	}
-#endif
-	if (put_line(fd, "\" vim: set ft=vim :") == FAIL)
-	    failed = TRUE;
-	failed |= fclose(fd);
-	if (failed)
-	    emsg(_(e_write));
-#if defined(FEAT_EVAL) && defined(FEAT_SESSION)
-	else if (eap->cmdidx == CMD_mksession)
-	{
-	    /* successful session write - set this_session var */
-	    char_u	*tbuf;
-	    tbuf = alloc(MAXPATHL);
-	    if (tbuf != NULL)
-	    {
-		if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK)
-		    set_vim_var_string(VV_THIS_SESSION, tbuf, -1);
-		vim_free(tbuf);
-	    }
-	}
-#endif
-#ifdef MKSESSION_NL
-	mksession_nl = FALSE;
-#endif
-}
-#ifdef FEAT_BROWSE
-theend:
-vim_free(browseFile);
-#endif
-#ifdef FEAT_SESSION
-vim_free(viewFile);
-#endif
-}
 #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \
 	|| defined(PROTO)
 int
 vim_mkdir_emsg(char_u *name, int prot)
 {
 }
 return result;
 }
-#ifdef FEAT_SESSION
-static int ses_winsizes(FILE *fd, int restore_size,
-							win_T *tab_firstwin);
-static int ses_win_rec(FILE *fd, frame_T *fr);
-static frame_T *ses_skipframe(frame_T *fr);
-static int ses_do_frame(frame_T *fr);
-static int ses_do_win(win_T *wp);
-static int ses_arglist(FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp);
-static int ses_put_fname(FILE *fd, char_u *name, unsigned *flagp);
-static int ses_fname(FILE *fd, buf_T *buf, unsigned *flagp, int add_eol);
-/*
-* Write openfile commands for the current buffers to an .exrc file.
-* Return FAIL on error, OK otherwise.
-*/
-static int
-makeopens(
-FILE	*fd,
-char_u	*dirnow)	/* Current directory name */
-{
-buf_T	*buf;
-int		only_save_windows = TRUE;
-int		nr;
-int		restore_size = TRUE;
-win_T	*wp;
-char_u	*sname;
-win_T	*edited_win = NULL;
-int		tabnr;
-int		restore_stal = FALSE;
-win_T	*tab_firstwin;
-frame_T	*tab_topframe;
-int		cur_arg_idx = 0;
-int		next_arg_idx = 0;
-if (ssop_flags & SSOP_BUFFERS)
-	only_save_windows = FALSE;		/* Save ALL buffers */
-/*
-* Begin by setting the this_session variable, and then other
-* sessionable variables.
-*/
-#ifdef FEAT_EVAL
-if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL)
-	return FAIL;
-if (ssop_flags & SSOP_GLOBALS)
-	if (store_session_globals(fd) == FAIL)
-	    return FAIL;
-#endif
-/*
-* Close all windows and tabs but one.
-*/
-if (put_line(fd, "silent only") == FAIL)
-	return FAIL;
-if ((ssop_flags & SSOP_TABPAGES)
-	    && put_line(fd, "silent tabonly") == FAIL)
-	return FAIL;
-/*
-* Now a :cd command to the session directory or the current directory
-*/
-if (ssop_flags & SSOP_SESDIR)
-{
-	if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')")
-								      == FAIL)
-	    return FAIL;
-}
-else if (ssop_flags & SSOP_CURDIR)
-{
-	sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow);
-	if (sname == NULL
-		|| fputs("cd ", fd) < 0
-		|| ses_put_fname(fd, sname, &ssop_flags) == FAIL
-		|| put_eol(fd) == FAIL)
-	{
-	    vim_free(sname);
-	    return FAIL;
-	}
-	vim_free(sname);
-}
-/*
-* If there is an empty, unnamed buffer we will wipe it out later.
-* Remember the buffer number.
-*/
-if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL)
-	return FAIL;
-if (put_line(fd, "  let s:wipebuf = bufnr('%')") == FAIL)
-	return FAIL;
-if (put_line(fd, "endif") == FAIL)
-	return FAIL;
-/*
-* Now save the current files, current buffer first.
-*/
-if (put_line(fd, "set shortmess=aoO") == FAIL)
-	return FAIL;
-/* the global argument list */
-if (ses_arglist(fd, "argglobal", &global_alist.al_ga,
-			    !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL)
-	return FAIL;
-if (ssop_flags & SSOP_RESIZE)
-{
-	/* Note: after the restore we still check it worked!*/
-	if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0
-		|| put_eol(fd) == FAIL)
-	    return FAIL;
-}
-#ifdef FEAT_GUI
-if (gui.in_use && (ssop_flags & SSOP_WINPOS))
-{
-	int	x, y;
-	if (gui_mch_get_winpos(&x, &y) == OK)
-	{
-	    /* Note: after the restore we still check it worked!*/
-	    if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL)
-		return FAIL;
-	}
-}
-#endif
-/*
-* When there are two or more tabpages and 'showtabline' is 1 the tabline
-* will be displayed when creating the next tab.  That resizes the windows
-* in the first tab, which may cause problems.  Set 'showtabline' to 2
-* temporarily to avoid that.
-*/
-if (p_stal == 1 && first_tabpage->tp_next != NULL)
-{
-	if (put_line(fd, "set stal=2") == FAIL)
-	    return FAIL;
-	restore_stal = TRUE;
-}
-/*
-* May repeat putting Windows for each tab, when "tabpages" is in
-* 'sessionoptions'.
-* Don't use goto_tabpage(), it may change directory and trigger
-* autocommands.
-*/
-tab_firstwin = firstwin;	/* first window in tab page "tabnr" */
-tab_topframe = topframe;
-if ((ssop_flags & SSOP_TABPAGES))
-{
-	tabpage_T *tp;
-	// Similar to ses_win_rec() below, populate the tab pages first so
-	// later local options won't be copied to the new tabs.
-	FOR_ALL_TABPAGES(tp)
-	    if (tp->tp_next != NULL && put_line(fd, "tabnew") == FAIL)
-		return FAIL;
-	if (first_tabpage->tp_next != NULL && put_line(fd, "tabrewind") == FAIL)
-	    return FAIL;
-}
-for (tabnr = 1; ; ++tabnr)
-{
-	tabpage_T *tp = NULL;
-	int	need_tabnext = FALSE;
-	int	cnr = 1;
-	if ((ssop_flags & SSOP_TABPAGES))
-	{
-	    tp = find_tabpage(tabnr);
-	    if (tp == NULL)
-		break;		/* done all tab pages */
-	    if (tp == curtab)
-	    {
-		tab_firstwin = firstwin;
-		tab_topframe = topframe;
-	    }
-	    else
-	    {
-		tab_firstwin = tp->tp_firstwin;
-		tab_topframe = tp->tp_topframe;
-	    }
-	    if (tabnr > 1)
-		need_tabnext = TRUE;
-	}
-	/*
-	 * Before creating the window layout, try loading one file.  If this
-	 * is aborted we don't end up with a number of useless windows.
-	 * This may have side effects! (e.g., compressed or network file).
-	 */
-	for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
-	{
-	    if (ses_do_win(wp)
-		    && wp->w_buffer->b_ffname != NULL
-		    && !bt_help(wp->w_buffer)
-#ifdef FEAT_QUICKFIX
-		    && !bt_nofilename(wp->w_buffer)
-#endif
-		    )
-	    {
-		if (need_tabnext && put_line(fd, "tabnext") == FAIL)
-		    return FAIL;
-		need_tabnext = FALSE;
-		if (fputs("edit ", fd) < 0
-			      || ses_fname(fd, wp->w_buffer, &ssop_flags, TRUE)
-								       == FAIL)
-		    return FAIL;
-		if (!wp->w_arg_idx_invalid)
-		    edited_win = wp;
-		break;
-	    }
-	}
-	/* If no file got edited create an empty tab page. */
-	if (need_tabnext && put_line(fd, "tabnext") == FAIL)
-	    return FAIL;
-	/*
-	 * Save current window layout.
-	 */
-	if (put_line(fd, "set splitbelow splitright") == FAIL)
-	    return FAIL;
-	if (ses_win_rec(fd, tab_topframe) == FAIL)
-	    return FAIL;
-	if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL)
-	    return FAIL;
-	if (!p_spr && put_line(fd, "set nosplitright") == FAIL)
-	    return FAIL;
-	/*
-	 * Check if window sizes can be restored (no windows omitted).
-	 * Remember the window number of the current window after restoring.
-	 */
-	nr = 0;
-	for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp))
-	{
-	    if (ses_do_win(wp))
-		++nr;
-	    else
-		restore_size = FALSE;
-	    if (curwin == wp)
-		cnr = nr;
-	}
-	/* Go to the first window. */
-	if (put_line(fd, "wincmd t") == FAIL)
-	    return FAIL;
-	/*
-	 * If more than one window, see if sizes can be restored.
-	 * First set 'winheight' and 'winwidth' to 1 to avoid the windows being
-	 * resized when moving between windows.
-	 * Do this before restoring the view, so that the topline and the
-	 * cursor can be set.  This is done again below.
-	 * winminheight and winminwidth need to be set to avoid an error if the
-	 * user has set winheight or winwidth.
-	 */
-	if (put_line(fd, "set winminheight=0") == FAIL
-		|| put_line(fd, "set winheight=1") == FAIL
-		|| put_line(fd, "set winminwidth=0") == FAIL
-		|| put_line(fd, "set winwidth=1") == FAIL)
-	    return FAIL;
-	if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
-	    return FAIL;
-	// Restore the tab-local working directory if specified
-	// Do this before the windows, so that the window-local directory can
-	// override the tab-local directory.
-	if (tp != NULL && tp->tp_localdir != NULL && ssop_flags & SSOP_CURDIR)
-	{
-	    if (fputs("tcd ", fd) < 0
-		    || ses_put_fname(fd, tp->tp_localdir, &ssop_flags) == FAIL
-		    || put_eol(fd) == FAIL)
-		return FAIL;
-	    did_lcd = TRUE;
-	}
-	/*
-	 * Restore the view of the window (options, file, cursor, etc.).
-	 */
-	for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
-	{
-	    if (!ses_do_win(wp))
-		continue;
-	    if (put_view(fd, wp, wp != edited_win, &ssop_flags,
-							 cur_arg_idx) == FAIL)
-		return FAIL;
-	    if (nr > 1 && put_line(fd, "wincmd w") == FAIL)
-		return FAIL;
-	    next_arg_idx = wp->w_arg_idx;
-	}
-	/* The argument index in the first tab page is zero, need to set it in
-	 * each window.  For further tab pages it's the window where we do
-	 * "tabedit". */
-	cur_arg_idx = next_arg_idx;
-	/*
-	 * Restore cursor to the current window if it's not the first one.
-	 */
-	if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0
-						      || put_eol(fd) == FAIL))
-	    return FAIL;
-	/*
-	 * Restore window sizes again after jumping around in windows, because
-	 * the current window has a minimum size while others may not.
-	 */
-	if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL)
-	    return FAIL;
-	/* Don't continue in another tab page when doing only the current one
-	 * or when at the last tab page. */
-	if (!(ssop_flags & SSOP_TABPAGES))
-	    break;
-}
-if (ssop_flags & SSOP_TABPAGES)
-{
-	if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0
-		|| put_eol(fd) == FAIL)
-	    return FAIL;
-}
-if (restore_stal && put_line(fd, "set stal=1") == FAIL)
-	return FAIL;
-// Now put the remaining buffers into the buffer list.
-// This is near the end, so that when 'hidden' is set we don't create extra
-// buffers.  If the buffer was already created with another command the
-// ":badd" will have no effect.
-FOR_ALL_BUFFERS(buf)
-{
-	if (!(only_save_windows && buf->b_nwindows == 0)
-		&& !(buf->b_help && !(ssop_flags & SSOP_HELP))
-#ifdef FEAT_TERMINAL
-		// Skip terminal buffers: finished ones are not useful, others
-		// will be resurrected and result in a new buffer.
-		&& !bt_terminal(buf)
-#endif
-		&& buf->b_fname != NULL
-		&& buf->b_p_bl)
-	{
-	    if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L
-					   : buf->b_wininfo->wi_fpos.lnum) < 0
-		    || ses_fname(fd, buf, &ssop_flags, TRUE) == FAIL)
-		return FAIL;
-	}
-}
-/*
-* Wipe out an empty unnamed buffer we started in.
-*/
-if (put_line(fd, "if exists('s:wipebuf') && len(win_findbuf(s:wipebuf)) == 0")
-								       == FAIL)
-	return FAIL;
-if (put_line(fd, "  silent exe 'bwipe ' . s:wipebuf") == FAIL)
-	return FAIL;
-if (put_line(fd, "endif") == FAIL)
-	return FAIL;
-if (put_line(fd, "unlet! s:wipebuf") == FAIL)
-	return FAIL;
-/* Re-apply 'winheight', 'winwidth' and 'shortmess'. */
-if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s",
-			       p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL)
-	return FAIL;
-/* Re-apply 'winminheight' and 'winminwidth'. */
-if (fprintf(fd, "set winminheight=%ld winminwidth=%ld",
-				      p_wmh, p_wmw) < 0 || put_eol(fd) == FAIL)
-	return FAIL;
-/*
-* Lastly, execute the x.vim file if it exists.
-*/
-if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
-	    || put_line(fd, "if file_readable(s:sx)") == FAIL
-	    || put_line(fd, "  exe \"source \" . fnameescape(s:sx)") == FAIL
-	    || put_line(fd, "endif") == FAIL)
-	return FAIL;
-return OK;
-}
-static int
-ses_winsizes(
-FILE	*fd,
-int		restore_size,
-win_T	*tab_firstwin)
-{
-int		n = 0;
-win_T	*wp;
-if (restore_size && (ssop_flags & SSOP_WINSIZE))
-{
-	for (wp = tab_firstwin; wp != NULL; wp = wp->w_next)
-	{
-	    if (!ses_do_win(wp))
-		continue;
-	    ++n;
-	    /* restore height when not full height */
-	    if (wp->w_height + wp->w_status_height < topframe->fr_height
-		    && (fprintf(fd,
-			  "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)",
-			    n, (long)wp->w_height, Rows / 2, Rows) < 0
-						  || put_eol(fd) == FAIL))
-		return FAIL;
-	    /* restore width when not full width */
-	    if (wp->w_width < Columns && (fprintf(fd,
-		   "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)",
-			    n, (long)wp->w_width, Columns / 2, Columns) < 0
-						  || put_eol(fd) == FAIL))
-		return FAIL;
-	}
-}
-else
-{
-	/* Just equalise window sizes */
-	if (put_line(fd, "wincmd =") == FAIL)
-	    return FAIL;
-}
-return OK;
-}
-/*
-* Write commands to "fd" to recursively create windows for frame "fr",
-* horizontally and vertically split.
-* After the commands the last window in the frame is the current window.
-* Returns FAIL when writing the commands to "fd" fails.
-*/
-static int
-ses_win_rec(FILE *fd, frame_T *fr)
-{
-frame_T	*frc;
-int		count = 0;
-if (fr->fr_layout != FR_LEAF)
-{
-	/* Find first frame that's not skipped and then create a window for
-	 * each following one (first frame is already there). */
-	frc = ses_skipframe(fr->fr_child);
-	if (frc != NULL)
-	    while ((frc = ses_skipframe(frc->fr_next)) != NULL)
-	    {
-		/* Make window as big as possible so that we have lots of room
-		 * to split. */
-		if (put_line(fd, "wincmd _ | wincmd |") == FAIL
-			|| put_line(fd, fr->fr_layout == FR_COL
-						? "split" : "vsplit") == FAIL)
-		    return FAIL;
-		++count;
-	    }
-	/* Go back to the first window. */
-	if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL
-			? "%dwincmd k" : "%dwincmd h", count) < 0
-						      || put_eol(fd) == FAIL))
-	    return FAIL;
-	/* Recursively create frames/windows in each window of this column or
-	 * row. */
-	frc = ses_skipframe(fr->fr_child);
-	while (frc != NULL)
-	{
-	    ses_win_rec(fd, frc);
-	    frc = ses_skipframe(frc->fr_next);
-	    /* Go to next window. */
-	    if (frc != NULL && put_line(fd, "wincmd w") == FAIL)
-		return FAIL;
-	}
-}
-return OK;
-}
-/*
-* Skip frames that don't contain windows we want to save in the Session.
-* Returns NULL when there none.
-*/
-static frame_T *
-ses_skipframe(frame_T *fr)
-{
-frame_T	*frc;
-FOR_ALL_FRAMES(frc, fr)
-	if (ses_do_frame(frc))
-	    break;
-return frc;
-}
-/*
-* Return TRUE if frame "fr" has a window somewhere that we want to save in
-* the Session.
-*/
-static int
-ses_do_frame(frame_T *fr)
-{
-frame_T	*frc;
-if (fr->fr_layout == FR_LEAF)
-	return ses_do_win(fr->fr_win);
-FOR_ALL_FRAMES(frc, fr->fr_child)
-	if (ses_do_frame(frc))
-	    return TRUE;
-return FALSE;
-}
-/*
-* Return non-zero if window "wp" is to be stored in the Session.
-*/
-static int
-ses_do_win(win_T *wp)
-{
-#ifdef FEAT_TERMINAL
-if (bt_terminal(wp->w_buffer))
-	return !term_is_finished(wp->w_buffer)
-	    && (ssop_flags & SSOP_TERMINAL)
-	    && term_should_restore(wp->w_buffer);
-#endif
-if (wp->w_buffer->b_fname == NULL
-#ifdef FEAT_QUICKFIX
-	    /* When 'buftype' is "nofile" can't restore the window contents. */
-	    || bt_nofilename(wp->w_buffer)
-#endif
-)
-	return (ssop_flags & SSOP_BLANK);
-if (bt_help(wp->w_buffer))
-	return (ssop_flags & SSOP_HELP);
-return TRUE;
-}
-static int
-put_view_curpos(FILE *fd, win_T *wp, char *spaces)
-{
-int r;
-if (wp->w_curswant == MAXCOL)
-	r = fprintf(fd, "%snormal! $", spaces);
-else
-	r = fprintf(fd, "%snormal! 0%d|", spaces, wp->w_virtcol + 1);
-return r < 0 || put_eol(fd) == FAIL ? FALSE : OK;
-}
-/*
-* Write commands to "fd" to restore the view of a window.
-* Caller must make sure 'scrolloff' is zero.
-*/
-static int
-put_view(
-FILE	*fd,
-win_T	*wp,
-int		add_edit,	/* add ":edit" command to view */
-unsigned	*flagp,		/* vop_flags or ssop_flags */
-int		current_arg_idx) /* current argument index of the window, use
-				  * -1 if unknown */
-{
-win_T	*save_curwin;
-int		f;
-int		do_cursor;
-int		did_next = FALSE;
-/* Always restore cursor position for ":mksession".  For ":mkview" only
-* when 'viewoptions' contains "cursor". */
-do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR);
-/*
-* Local argument list.
-*/
-if (wp->w_alist == &global_alist)
-{
-	if (put_line(fd, "argglobal") == FAIL)
-	    return FAIL;
-}
-else
-{
-	if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga,
-			flagp == &vop_flags
-			|| !(*flagp & SSOP_CURDIR)
-			|| wp->w_localdir != NULL, flagp) == FAIL)
-	    return FAIL;
-}
-/* Only when part of a session: restore the argument index.  Some
-* arguments may have been deleted, check if the index is valid. */
-if (wp->w_arg_idx != current_arg_idx && wp->w_arg_idx < WARGCOUNT(wp)
-						      && flagp == &ssop_flags)
-{
-	if (fprintf(fd, "%ldargu", (long)wp->w_arg_idx + 1) < 0
-		|| put_eol(fd) == FAIL)
-	    return FAIL;
-	did_next = TRUE;
-}
-/* Edit the file.  Skip this when ":next" already did it. */
-if (add_edit && (!did_next || wp->w_arg_idx_invalid))
-{
-# ifdef FEAT_TERMINAL
-	if (bt_terminal(wp->w_buffer))
-	{
-	    if (term_write_session(fd, wp) == FAIL)
-		return FAIL;
-	}
-	else
-# endif
-	/*
-	 * Load the file.
-	 */
-	if (wp->w_buffer->b_ffname != NULL
-# ifdef FEAT_QUICKFIX
-		&& !bt_nofilename(wp->w_buffer)
-# endif
-		)
-	{
-	    /*
-	     * Editing a file in this buffer: use ":edit file".
-	     * This may have side effects! (e.g., compressed or network file).
-	     *
-	     * Note, if a buffer for that file already exists, use :badd to
-	     * edit that buffer, to not lose folding information (:edit resets
-	     * folds in other buffers)
-	     */
-	    if (fputs("if bufexists(\"", fd) < 0
-		    || ses_fname(fd, wp->w_buffer, flagp, FALSE) == FAIL
-		    || fputs("\") | buffer ", fd) < 0
-		    || ses_fname(fd, wp->w_buffer, flagp, FALSE) == FAIL
-		    || fputs(" | else | edit ", fd) < 0
-		    || ses_fname(fd, wp->w_buffer, flagp, FALSE) == FAIL
-		    || fputs(" | endif", fd) < 0
-		    || put_eol(fd) == FAIL)
-		return FAIL;
-	}
-	else
-	{
-	    /* No file in this buffer, just make it empty. */
-	    if (put_line(fd, "enew") == FAIL)
-		return FAIL;
-#ifdef FEAT_QUICKFIX
-	    if (wp->w_buffer->b_ffname != NULL)
-	    {
-		/* The buffer does have a name, but it's not a file name. */
-		if (fputs("file ", fd) < 0
-			|| ses_fname(fd, wp->w_buffer, flagp, TRUE) == FAIL)
-		    return FAIL;
-	    }
-#endif
-	    do_cursor = FALSE;
-	}
-}
-/*
-* Local mappings and abbreviations.
-*/
-if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
-					 && makemap(fd, wp->w_buffer) == FAIL)
-	return FAIL;
-/*
-* Local options.  Need to go to the window temporarily.
-* Store only local values when using ":mkview" and when ":mksession" is
-* used and 'sessionoptions' doesn't include "options".
-* Some folding options are always stored when "folds" is included,
-* otherwise the folds would not be restored correctly.
-*/
-save_curwin = curwin;
-curwin = wp;
-curbuf = curwin->w_buffer;
-if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS))
-	f = makeset(fd, OPT_LOCAL,
-			     flagp == &vop_flags || !(*flagp & SSOP_OPTIONS));
-#ifdef FEAT_FOLDING
-else if (*flagp & SSOP_FOLDS)
-	f = makefoldset(fd);
-#endif
-else
-	f = OK;
-curwin = save_curwin;
-curbuf = curwin->w_buffer;
-if (f == FAIL)
-	return FAIL;
-#ifdef FEAT_FOLDING
-/*
-* Save Folds when 'buftype' is empty and for help files.
-*/
-if ((*flagp & SSOP_FOLDS)
-	    && wp->w_buffer->b_ffname != NULL
-	    && (bt_normal(wp->w_buffer) || bt_help(wp->w_buffer)))
-{
-	if (put_folds(fd, wp) == FAIL)
-	    return FAIL;
-}
-#endif
-/*
-* Set the cursor after creating folds, since that moves the cursor.
-*/
-if (do_cursor)
-{
-	/* Restore the cursor line in the file and relatively in the
-	 * window.  Don't use "G", it changes the jumplist. */
-	if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)",
-		    (long)wp->w_cursor.lnum,
-		    (long)(wp->w_cursor.lnum - wp->w_topline),
-		    (long)wp->w_height / 2, (long)wp->w_height) < 0
-		|| put_eol(fd) == FAIL
-		|| put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL
-		|| put_line(fd, "exe s:l") == FAIL
-		|| put_line(fd, "normal! zt") == FAIL
-		|| fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0
-		|| put_eol(fd) == FAIL)
-	    return FAIL;
-	/* Restore the cursor column and left offset when not wrapping. */
-	if (wp->w_cursor.col == 0)
-	{
-	    if (put_line(fd, "normal! 0") == FAIL)
-		return FAIL;
-	}
-	else
-	{
-	    if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0)
-	    {
-		if (fprintf(fd,
-			  "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)",
-			    (long)wp->w_virtcol + 1,
-			    (long)(wp->w_virtcol - wp->w_leftcol),
-			    (long)wp->w_width / 2, (long)wp->w_width) < 0
-			|| put_eol(fd) == FAIL
-			|| put_line(fd, "if s:c > 0") == FAIL
-			|| fprintf(fd,
-			    "  exe 'normal! ' . s:c . '|zs' . %ld . '|'",
-			    (long)wp->w_virtcol + 1) < 0
-			|| put_eol(fd) == FAIL
-			|| put_line(fd, "else") == FAIL
-			|| put_view_curpos(fd, wp, "  ") == FAIL
-			|| put_line(fd, "endif") == FAIL)
-		    return FAIL;
-	    }
-	    else if (put_view_curpos(fd, wp, "") == FAIL)
-		return FAIL;
-	}
-}
-/*
-* Local directory, if the current flag is not view options or the "curdir"
-* option is included.
-*/
-if (wp->w_localdir != NULL
-			    && (flagp != &vop_flags || (*flagp & SSOP_CURDIR)))
-{
-	if (fputs("lcd ", fd) < 0
-		|| ses_put_fname(fd, wp->w_localdir, flagp) == FAIL
-		|| put_eol(fd) == FAIL)
-	    return FAIL;
-	did_lcd = TRUE;
-}
-return OK;
-}
-/*
-* Write an argument list to the session file.
-* Returns FAIL if writing fails.
-*/
-static int
-ses_arglist(
-FILE	*fd,
-char	*cmd,
-garray_T	*gap,
-int		fullname,	/* TRUE: use full path name */
-unsigned	*flagp)
-{
-int		i;
-char_u	*buf = NULL;
-char_u	*s;
-if (fputs(cmd, fd) < 0 || put_eol(fd) == FAIL)
-	return FAIL;
-if (put_line(fd, "%argdel") == FAIL)
-	return FAIL;
-for (i = 0; i < gap->ga_len; ++i)
-{
-	/* NULL file names are skipped (only happens when out of memory). */
-	s = alist_name(&((aentry_T *)gap->ga_data)[i]);
-	if (s != NULL)
-	{
-	    if (fullname)
-	    {
-		buf = alloc(MAXPATHL);
-		if (buf != NULL)
-		{
-		    (void)vim_FullName(s, buf, MAXPATHL, FALSE);
-		    s = buf;
-		}
-	    }
-	    if (fputs("$argadd ", fd) < 0
-		    || ses_put_fname(fd, s, flagp) == FAIL
-		    || put_eol(fd) == FAIL)
-	    {
-		vim_free(buf);
-		return FAIL;
-	    }
-	    vim_free(buf);
-	}
-}
-return OK;
-}
-/*
-* Write a buffer name to the session file.
-* Also ends the line, if "add_eol" is TRUE.
-* Returns FAIL if writing fails.
-*/
-static int
-ses_fname(FILE *fd, buf_T *buf, unsigned *flagp, int add_eol)
-{
-char_u	*name;
-/* Use the short file name if the current directory is known at the time
-* the session file will be sourced.
-* Don't do this for ":mkview", we don't know the current directory.
-* Don't do this after ":lcd", we don't keep track of what the current
-* directory is. */
-if (buf->b_sfname != NULL
-	    && flagp == &ssop_flags
-	    && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR))
-#ifdef FEAT_AUTOCHDIR
-	    && !p_acd
-#endif
-	    && !did_lcd)
-	name = buf->b_sfname;
-else
-	name = buf->b_ffname;
-if (ses_put_fname(fd, name, flagp) == FAIL
-	    || (add_eol && put_eol(fd) == FAIL))
-	return FAIL;
-return OK;
-}
-/*
-* Write a file name to the session file.
-* Takes care of the "slash" option in 'sessionoptions' and escapes special
-* characters.
-* Returns FAIL if writing fails or out of memory.
-*/
-static int
-ses_put_fname(FILE *fd, char_u *name, unsigned *flagp)
-{
-char_u	*sname;
-char_u	*p;
-int		retval = OK;
-sname = home_replace_save(NULL, name);
-if (sname == NULL)
-	return FAIL;
-if (*flagp & SSOP_SLASH)
-{
-	/* change all backslashes to forward slashes */
-	for (p = sname; *p != NUL; MB_PTR_ADV(p))
-	    if (*p == '\\')
-		*p = '/';
-}
-/* escape special characters */
-p = vim_strsave_fnameescape(sname, FALSE);
-vim_free(sname);
-if (p == NULL)
-	return FAIL;
-/* write the result */
-if (fputs((char *)p, fd) < 0)
-	retval = FAIL;
-vim_free(p);
-return retval;
-}
-/*
-* ":loadview [nr]"
-*/
-static void
-ex_loadview(exarg_T *eap)
-{
-char_u	*fname;
-fname = get_view_file(*eap->arg);
-if (fname != NULL)
-{
-	do_source(fname, FALSE, DOSO_NONE);
-	vim_free(fname);
-}
-}
-/*
-* Get the name of the view file for the current buffer.
-*/
-static char_u *
-get_view_file(int c)
-{
-int		len = 0;
-char_u	*p, *s;
-char_u	*retval;
-char_u	*sname;
-if (curbuf->b_ffname == NULL)
-{
-	emsg(_(e_noname));
-	return NULL;
-}
-sname = home_replace_save(NULL, curbuf->b_ffname);
-if (sname == NULL)
-	return NULL;
-/*
-* We want a file name without separators, because we're not going to make
-* a directory.
-* "normal" path separator	-> "=+"
-* "="			-> "=="
-* ":" path separator	-> "=-"
-*/
-for (p = sname; *p; ++p)
-	if (*p == '=' || vim_ispathsep(*p))
-	    ++len;
-retval = alloc(STRLEN(sname) + len + STRLEN(p_vdir) + 9);
-if (retval != NULL)
-{
-	STRCPY(retval, p_vdir);
-	add_pathsep(retval);
-	s = retval + STRLEN(retval);
-	for (p = sname; *p; ++p)
-	{
-	    if (*p == '=')
-	    {
-		*s++ = '=';
-		*s++ = '=';
-	    }
-	    else if (vim_ispathsep(*p))
-	    {
-		*s++ = '=';
-#if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(VMS)
-		if (*p == ':')
-		    *s++ = '-';
-		else
-#endif
-		    *s++ = '+';
-	    }
-	    else
-		*s++ = *p;
-	}
-	*s++ = '=';
-	*s++ = c;
-	STRCPY(s, ".vim");
-}
-vim_free(sname);
-return retval;
-}
-#endif /* FEAT_SESSION */
-/*
-* Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession".
-* Return FAIL for a write error.
-*/
-int
-put_eol(FILE *fd)
-{
-if (
-#ifdef USE_CRNL
-	    (
-# ifdef MKSESSION_NL
-	     !mksession_nl &&
-# endif
-	     (putc('\r', fd) < 0)) ||
-#endif
-	    (putc('\n', fd) < 0))
-	return FAIL;
-return OK;
-}
-/*
-* Write a line to "fd".
-* Return FAIL for a write error.
-*/
-int
-put_line(FILE *fd, char *s)
-{
-if (fputs(s, fd) < 0 || put_eol(fd) == FAIL)
-	return FAIL;
-return OK;
-}
 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO)
 /*
 * Make a dialog message in "buff[DIALOG_MSG_SIZE]".
 * "format" must contain "%s".
 */

Mercurial > vim

comparison src/ex_docmd.c @ 17536:e00d12c085a5 v8.1.1766