diff options
Diffstat (limited to 'src/nvim/ex_session.c')
-rw-r--r-- | src/nvim/ex_session.c | 210 |
1 files changed, 120 insertions, 90 deletions
diff --git a/src/nvim/ex_session.c b/src/nvim/ex_session.c index a37cad9f2d..6ca6da9cd0 100644 --- a/src/nvim/ex_session.c +++ b/src/nvim/ex_session.c @@ -25,9 +25,9 @@ #include "nvim/file_search.h" #include "nvim/fileio.h" #include "nvim/fold.h" -#include "nvim/getchar.h" #include "nvim/globals.h" -#include "nvim/keymap.h" +#include "nvim/keycodes.h" +#include "nvim/mapping.h" #include "nvim/move.h" #include "nvim/option.h" #include "nvim/os/input.h" @@ -72,7 +72,7 @@ static int ses_winsizes(FILE *fd, int restore_size, win_T *tab_firstwin) n++; // restore height when not full height - if (wp->w_height + wp->w_status_height < topframe->fr_height + if (wp->w_height + wp->w_hsep_height + wp->w_status_height < topframe->fr_height && (fprintf(fd, "exe '%dresize ' . ((&lines * %" PRId64 " + %" PRId64 ") / %" PRId64 ")\n", @@ -98,10 +98,11 @@ static int ses_winsizes(FILE *fd, int restore_size, win_T *tab_firstwin) 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. +/// 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. +/// +/// @return FAIL when writing the commands to "fd" fails. static int ses_win_rec(FILE *fd, frame_T *fr) { frame_T *frc; @@ -144,8 +145,9 @@ static int ses_win_rec(FILE *fd, frame_T *fr) return OK; } -// Skip frames that don't contain windows we want to save in the Session. -// Returns NULL when there none. +/// Skip frames that don't contain windows we want to save in the Session. +/// +/// @return NULL when there none. static frame_T *ses_skipframe(frame_T *fr) { frame_T *frc; @@ -158,8 +160,8 @@ static frame_T *ses_skipframe(frame_T *fr) return frc; } -// Return true if frame "fr" has a window somewhere that we want to save in -// the Session. +/// @return true if frame "fr" has a window somewhere that we want to save in +/// the Session. static bool ses_do_frame(const frame_T *fr) FUNC_ATTR_NONNULL_ARG(1) { @@ -176,12 +178,16 @@ static bool ses_do_frame(const frame_T *fr) return false; } -/// Return non-zero if window "wp" is to be stored in the Session. +/// @return non-zero if window "wp" is to be stored in the Session. static int ses_do_win(win_T *wp) { + // Skip floating windows to avoid issues when restoring the Session. #18432 + if (wp->w_floating) { + return false; + } if (wp->w_buffer->b_fname == NULL // When 'buftype' is "nofile" can't restore the window contents. - || (!wp->w_buffer->terminal && bt_nofile(wp->w_buffer))) { + || (!wp->w_buffer->terminal && bt_nofilename(wp->w_buffer))) { return ssop_flags & SSOP_BLANK; } if (bt_help(wp->w_buffer)) { @@ -209,7 +215,7 @@ static int ses_arglist(FILE *fd, char *cmd, garray_T *gap, int fullname, unsigne } for (int 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]); + s = (char_u *)alist_name(&((aentry_T *)gap->ga_data)[i]); if (s != NULL) { if (fullname) { buf = xmalloc(MAXPATHL); @@ -229,7 +235,7 @@ static int ses_arglist(FILE *fd, char *cmd, garray_T *gap, int fullname, unsigne return OK; } -/// Gets the buffer name for `buf`. +/// @return the buffer name for `buf`. static char *ses_get_fname(buf_T *buf, unsigned *flagp) { // Use the short file name if the current directory is known at the time @@ -242,14 +248,15 @@ static char *ses_get_fname(buf_T *buf, unsigned *flagp) && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR)) && !p_acd && !did_lcd) { - return (char *)buf->b_sfname; + return buf->b_sfname; } - return (char *)buf->b_ffname; + return buf->b_ffname; } /// Write a buffer name to the session file. /// Also ends the line, if "add_eol" is true. -/// Returns FAIL if writing fails. +/// +/// @return FAIL if writing fails. static int ses_fname(FILE *fd, buf_T *buf, unsigned *flagp, bool add_eol) { char *name = ses_get_fname(buf, flagp); @@ -260,15 +267,15 @@ static int ses_fname(FILE *fd, buf_T *buf, unsigned *flagp, bool add_eol) return OK; } -// Escapes a filename for session writing. -// Takes care of "slash" flag in 'sessionoptions' and escapes special -// characters. -// -// Returns allocated string or NULL. +/// Escapes a filename for session writing. +/// Takes care of "slash" flag in 'sessionoptions' and escapes special +/// characters. +/// +/// @return allocated string or NULL. static char *ses_escape_fname(char *name, unsigned *flagp) { char *p; - char *sname = (char *)home_replace_save(NULL, (char_u *)name); + char *sname = home_replace_save(NULL, name); // Always SSOP_SLASH: change all backslashes to forward slashes. for (p = sname; *p != NUL; MB_PTR_ADV(p)) { @@ -278,15 +285,16 @@ static char *ses_escape_fname(char *name, unsigned *flagp) } // Escape special characters. - p = vim_strsave_fnameescape(sname, false); + p = vim_strsave_fnameescape(sname, VSE_NONE); xfree(sname); return p; } -// 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. +/// Write a file name to the session file. +/// Takes care of the "slash" option in 'sessionoptions' and escapes special +/// characters. +/// +/// @return FAIL if writing fails. static int ses_put_fname(FILE *fd, char_u *name, unsigned *flagp) { char *p = ses_escape_fname((char *)name, flagp); @@ -338,14 +346,26 @@ static int put_view(FILE *fd, win_T *wp, int add_edit, unsigned *flagp, int curr // Edit the file. Skip this when ":next" already did it. if (add_edit && (!did_next || wp->w_arg_idx_invalid)) { - char *fname_esc = - ses_escape_fname(ses_get_fname(wp->w_buffer, flagp), flagp); - // - // Load the file. - // - if (wp->w_buffer->b_ffname != NULL - && (!bt_nofile(wp->w_buffer) - || wp->w_buffer->terminal)) { + char *fname_esc = ses_escape_fname(ses_get_fname(wp->w_buffer, flagp), flagp); + if (bt_help(wp->w_buffer)) { + char *curtag = ""; + + // A help buffer needs some options to be set. + // First, create a new empty buffer with "buftype=help". + // Then ":help" will re-use both the buffer and the window and set + // the options, even when "options" is not in 'sessionoptions'. + if (0 < wp->w_tagstackidx && wp->w_tagstackidx <= wp->w_tagstacklen) { + curtag = (char *)wp->w_tagstack[wp->w_tagstackidx - 1].tagname; + } + + if (put_line(fd, "enew | setl bt=help") == FAIL + || fprintf(fd, "help %s", curtag) < 0 || put_eol(fd) == FAIL) { + return FAIL; + } + } else if (wp->w_buffer->b_ffname != NULL + && (!bt_nofilename(wp->w_buffer) || wp->w_buffer->terminal)) { + // Load the file. + // Editing a file in this buffer: use ":edit file". // This may have side effects! (e.g., compressed or network file). // @@ -353,7 +373,7 @@ static int put_view(FILE *fd, win_T *wp, int add_edit, unsigned *flagp, int curr // edit that buffer, to not lose folding information (:edit resets // folds in other buffers) if (fprintf(fd, - "if bufexists(\"%s\") | buffer %s | else | edit %s | endif\n" + "if bufexists(fnamemodify(\"%s\", \":p\")) | buffer %s | else | edit %s | endif\n" // Fixup :terminal buffer name. #7836 "if &buftype ==# 'terminal'\n" " silent file %s\n" @@ -497,7 +517,7 @@ static int put_view(FILE *fd, win_T *wp, int add_edit, unsigned *flagp, int curr 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 + || ses_put_fname(fd, (char_u *)wp->w_localdir, flagp) == FAIL || fprintf(fd, "\n") < 0) { return FAIL; } @@ -522,7 +542,7 @@ static int makeopens(FILE *fd, char_u *dirnow) int nr; int restore_size = true; win_T *wp; - char_u *sname; + char *sname; win_T *edited_win = NULL; int tabnr; win_T *tab_firstwin; @@ -555,8 +575,8 @@ static int makeopens(FILE *fd, char_u *dirnow) if (ssop_flags & SSOP_SESDIR) { PUTLINE_FAIL("exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')"); } else if (ssop_flags & SSOP_CURDIR) { - sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow); - char *fname_esc = ses_escape_fname((char *)sname, &ssop_flags); + sname = home_replace_save(NULL, globaldir != NULL ? globaldir : (char *)dirnow); + char *fname_esc = ses_escape_fname(sname, &ssop_flags); if (fprintf(fd, "cd %s\n", fname_esc) < 0) { xfree(fname_esc); xfree(sname); @@ -573,12 +593,41 @@ static int makeopens(FILE *fd, char_u *dirnow) "if expand('%') == '' && !&modified && line('$') <= 1" " && getline(1) == ''\n" " let s:wipebuf = bufnr('%')\n" - "endif\n" - // Now save the current files, current buffer first. - "set shortmess=aoO\n") < 0) { + "endif\n") < 0) { return FAIL; } + // save 'shortmess' if not storing options + if ((ssop_flags & SSOP_OPTIONS) == 0) { + PUTLINE_FAIL("let s:shortmess_save = &shortmess"); + } + + // set 'shortmess' for the following. Add the 'A' flag if it was there + PUTLINE_FAIL("if &shortmess =~ 'A'"); + PUTLINE_FAIL(" set shortmess=aoOA"); + PUTLINE_FAIL("else"); + PUTLINE_FAIL(" set shortmess=aoO"); + PUTLINE_FAIL("endif"); + + // Now save the current files, current buffer first. + // Put all buffers into the buffer list. + // Do it very early to preserve buffer order after loading session (which + // can be disrupted by prior `edit` or `tabedit` calls). + FOR_ALL_BUFFERS(buf) { + if (!(only_save_windows && buf->b_nwindows == 0) + && !(buf->b_help && !(ssop_flags & SSOP_HELP)) + && buf->b_fname != NULL + && buf->b_p_bl) { + if (fprintf(fd, "badd +%" PRId64 " ", + buf->b_wininfo == NULL + ? (int64_t)1L + : (int64_t)buf->b_wininfo->wi_mark.mark.lnum) < 0 + || ses_fname(fd, buf, &ssop_flags, true) == FAIL) { + return FAIL; + } + } + } + // the global argument list if (ses_arglist(fd, "argglobal", &global_alist.al_ga, !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL) { @@ -614,7 +663,10 @@ static int makeopens(FILE *fd, char_u *dirnow) // 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_TABS(tp) { - if (tp->tp_next != NULL && put_line(fd, "tabnew") == FAIL) { + // Use `bufhidden=wipe` to remove empty "placeholder" buffers once + // they are not needed. This prevents creating extra buffers (see + // cause of Vim patch 8.1.0829) + if (tp->tp_next != NULL && put_line(fd, "tabnew +setlocal\\ bufhidden=wipe") == FAIL) { return FAIL; } } @@ -654,7 +706,7 @@ static int makeopens(FILE *fd, char_u *dirnow) if (ses_do_win(wp) && wp->w_buffer->b_ffname != NULL && !bt_help(wp->w_buffer) - && !bt_nofile(wp->w_buffer)) { + && !bt_nofilename(wp->w_buffer)) { if (need_tabnext && put_line(fd, "tabnext") == FAIL) { return FAIL; } @@ -769,7 +821,7 @@ static int makeopens(FILE *fd, char_u *dirnow) // Take care of tab-local working directories if applicable if (tp->tp_localdir) { if (fputs("if exists(':tcd') == 2 | tcd ", fd) < 0 - || ses_put_fname(fd, tp->tp_localdir, &ssop_flags) == FAIL + || ses_put_fname(fd, (char_u *)tp->tp_localdir, &ssop_flags) == FAIL || fputs(" | endif\n", fd) < 0) { return FAIL; } @@ -792,25 +844,6 @@ static int makeopens(FILE *fd, char_u *dirnow) 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)) - && buf->b_fname != NULL - && buf->b_p_bl) { - if (fprintf(fd, "badd +%" PRId64 " ", - buf->b_wininfo == NULL - ? (int64_t)1L - : (int64_t)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. // @@ -824,15 +857,21 @@ static int makeopens(FILE *fd, char_u *dirnow) return FAIL; } - // Re-apply 'winheight', 'winwidth' and 'shortmess'. - if (fprintf(fd, - "set winheight=%" PRId64 " winwidth=%" PRId64 - " shortmess=%s\n", - (int64_t)p_wh, - (int64_t)p_wiw, - p_shm) < 0) { + // Re-apply 'winheight' and 'winwidth'. + if (fprintf(fd, "set winheight=%" PRId64 " winwidth=%" PRId64 "\n", + (int64_t)p_wh, (int64_t)p_wiw) < 0) { return FAIL; } + + // Restore 'shortmess'. + if (ssop_flags & SSOP_OPTIONS) { + if (fprintf(fd, "set shortmess=%s\n", p_shm) < 0) { + return FAIL; + } + } else { + PUTLINE_FAIL("let &shortmess = s:shortmess_save"); + } + if (tab_firstwin != NULL && tab_firstwin->w_next != NULL) { // Restore 'winminheight' and 'winminwidth'. PUTLINE_FAIL("let &winminheight = s:save_winminheight"); @@ -900,7 +939,7 @@ void ex_mkrc(exarg_T *eap) viewFile = fname; using_vdir = true; } else if (*eap->arg != NUL) { - fname = (char *)eap->arg; + fname = eap->arg; } else if (eap->cmdidx == CMD_mkvimrc) { fname = VIMRC_FILE; } else if (eap->cmdidx == CMD_mksession) { @@ -962,12 +1001,12 @@ void ex_mkrc(exarg_T *eap) *dirnow = NUL; } if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR)) { - if (vim_chdirfile((char_u *)fname, kCdCauseOther) == OK) { + if (vim_chdirfile(fname, kCdCauseOther) == OK) { shorten_fnames(true); } } else if (*dirnow != NUL && (ssop_flags & SSOP_CURDIR) && globaldir != NULL) { - if (os_chdir((char *)globaldir) == 0) { + if (os_chdir(globaldir) == 0) { shorten_fnames(true); } } @@ -982,15 +1021,6 @@ void ex_mkrc(exarg_T *eap) emsg(_(e_prev_dir)); } shorten_fnames(true); - // restore original dir - if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR) - || ((ssop_flags & SSOP_CURDIR) && globaldir != - NULL))) { - if (os_chdir((char *)dirnow) != 0) { - emsg(_(e_prev_dir)); - } - shorten_fnames(true); - } } xfree(dirnow); } else { @@ -1038,14 +1068,14 @@ void ex_mkrc(exarg_T *eap) xfree(viewFile); } -/// Get the name of the view file for the current buffer. +/// @return the name of the view file for the current buffer. static char *get_view_file(int c) { if (curbuf->b_ffname == NULL) { emsg(_(e_noname)); return NULL; } - char *sname = (char *)home_replace_save(NULL, curbuf->b_ffname); + char *sname = home_replace_save(NULL, curbuf->b_ffname); // We want a file name without separators, because we're not going to make // a directory. @@ -1086,7 +1116,7 @@ static char *get_view_file(int c) return retval; } -// TODO(justinmk): remove this, not needed after 5ba3cecb68cd. +/// TODO(justinmk): remove this, not needed after 5ba3cecb68cd. int put_eol(FILE *fd) { if (putc('\n', fd) < 0) { @@ -1095,7 +1125,7 @@ int put_eol(FILE *fd) return OK; } -// TODO(justinmk): remove this, not needed after 5ba3cecb68cd. +/// TODO(justinmk): remove this, not needed after 5ba3cecb68cd. int put_line(FILE *fd, char *s) { if (fprintf(fd, "%s\n", s) < 0) { |