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 #4728)
diff --git a/src/ex_docmd.c b/src/ex_docmd.c
index f3a4eb7..601c51b 100644
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -257,7 +257,6 @@
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);
@@ -306,14 +305,9 @@
# define ex_oldfiles ex_ni
#endif
static char_u *arg_all(void);
-#ifdef 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
+#ifndef FEAT_SESSION
# define ex_loadview ex_ni
+# define ex_mkrc ex_ni
#endif
#ifndef FEAT_EVAL
# define ex_compiler ex_ni
@@ -8439,243 +8433,6 @@
#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
@@ -9717,999 +9474,6 @@
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]".