diff options
Diffstat (limited to 'src/ex_getln.c')
-rw-r--r-- | src/ex_getln.c | 58 |
1 files changed, 44 insertions, 14 deletions
diff --git a/src/ex_getln.c b/src/ex_getln.c index f2a960e..1731d29 100644 --- a/src/ex_getln.c +++ b/src/ex_getln.c @@ -4458,6 +4458,8 @@ open_cmdwin(void) #ifdef FEAT_FOLDING int save_KeyTyped; #endif + int newbuf_status; + int cmdwin_valid; // Can't do this when text or buffer is locked. // Can't do this recursively. Can't do it when typing a password. @@ -4491,25 +4493,50 @@ open_cmdwin(void) ga_clear(&winsizes); return K_IGNORE; } + // win_split() autocommands may have messed with the old window or buffer. + // Treat it as abandoning this command-line. + if (!win_valid(old_curwin) || curwin == old_curwin + || !bufref_valid(&old_curbuf) + || old_curwin->w_buffer != old_curbuf.br_buf) + { + beep_flush(); + ga_clear(&winsizes); + return Ctrl_C; + } // Don't let quitting the More prompt make this fail. got_int = FALSE; - // Set "cmdwin_type" before any autocommands may mess things up. + // Set "cmdwin_..." variables before any autocommands may mess things up. cmdwin_type = get_cmdline_type(); - - // Create the command-line buffer empty. - if (do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, ECMD_HIDE, NULL) == FAIL) + cmdwin_win = curwin; + + // Create empty command-line buffer. Be especially cautious of BufLeave + // autocommands from do_ecmd(), as cmdwin restrictions do not apply to them! + newbuf_status = do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, ECMD_HIDE, + NULL); + cmdwin_valid = win_valid(cmdwin_win); + if (newbuf_status == FAIL || !cmdwin_valid || curwin != cmdwin_win || + !win_valid(old_curwin) || !bufref_valid(&old_curbuf) || + old_curwin->w_buffer != old_curbuf.br_buf) { - // Some autocommand messed it up? - win_close(curwin, TRUE); - ga_clear(&winsizes); + if (newbuf_status == OK) + set_bufref(&bufref, curbuf); + if (cmdwin_valid && !last_window()) + win_close(cmdwin_win, TRUE); + + // win_close() autocommands may have already deleted the buffer. + if (newbuf_status == OK && bufref_valid(&bufref) && + bufref.br_buf != curbuf) + close_buffer(NULL, bufref.br_buf, DOBUF_WIPE, FALSE, FALSE); + cmdwin_type = 0; + cmdwin_win = NULL; + beep_flush(); + ga_clear(&winsizes); return Ctrl_C; } + cmdwin_buf = curbuf; - apply_autocmds(EVENT_BUFFILEPRE, NULL, NULL, FALSE, curbuf); - (void)setfname(curbuf, (char_u *)_("[Command Line]"), NULL, TRUE); - apply_autocmds(EVENT_BUFFILEPOST, NULL, NULL, FALSE, curbuf); set_option_value_give_err((char_u *)"bt", 0L, (char_u *)"nofile", OPT_LOCAL); curbuf->b_p_ma = TRUE; @@ -4615,14 +4642,17 @@ open_cmdwin(void) # endif cmdwin_type = 0; + cmdwin_buf = NULL; + cmdwin_win = NULL; exmode_active = save_exmode; - // Safety check: The old window or buffer was deleted: It's a bug when - // this happens! - if (!win_valid(old_curwin) || !bufref_valid(&old_curbuf)) + // Safety check: The old window or buffer was changed or deleted: It's a bug + // when this happens! + if (!win_valid(old_curwin) || !bufref_valid(&old_curbuf) + || old_curwin->w_buffer != old_curbuf.br_buf) { cmdwin_result = Ctrl_C; - emsg(_(e_active_window_or_buffer_deleted)); + emsg(_(e_active_window_or_buffer_changed_or_deleted)); } else { |