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vim-patch:8.0.0677: setting 'filetype' may switch buffers

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Problem:    Setting 'filetype' internally may cause the current buffer and
            window to change unexpectedly.
Solution:   Set curbuf_lock. (closes vim/vim#1734)
1814183b86
This commit is contained in:
Jan Edmund Lazo
2018-06-25 19:32:35 -04:00
parent da6874a7b2
commit bfe029a11d
4 changed files with 25 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/nvim/ex_cmds.c
View File

@@ -4906,7 +4906,9 @@ void fix_help_buffer(void)
// Set filetype to "help".
if (STRCMP(curbuf->b_p_ft, "help") != 0) {
curbuf_lock++;
set_option_value("ft", 0L, "help", OPT_LOCAL);
curbuf_lock--;
}
if (!syntax_present(curwin)) {

5
src/nvim/ex_getln.c
View File

@@ -6057,8 +6057,10 @@ static int open_cmdwin(void)
curbuf->b_p_ma = true;
curwin->w_p_fen = false;
/* Do execute autocommands for setting the filetype (load syntax). */
// Do execute autocommands for setting the filetype (load syntax).
unblock_autocmds();
// But don't allow switching to another buffer.
curbuf_lock++;
/* Showing the prompt may have set need_wait_return, reset it. */
need_wait_return = FALSE;
@@ -6071,6 +6073,7 @@ static int open_cmdwin(void)
}
set_option_value("ft", 0L, "vim", OPT_LOCAL);
}
curbuf_lock--;
/* Reset 'textwidth' after setting 'filetype' (the Vim filetype plugin
* sets 'textwidth' to 78). */

2
src/nvim/quickfix.c
View File

@@ -3008,6 +3008,7 @@ static void qf_fill_buffer(qf_info_T *qi, buf_T *buf, qfline_T *old_last)
// Set the 'filetype' to "qf" each time after filling the buffer. This
// resembles reading a file into a buffer, it's more logical when using
// autocommands.
curbuf_lock++;
set_option_value("ft", 0L, "qf", OPT_LOCAL);
curbuf->b_p_ma = false;
@@ -3017,6 +3018,7 @@ static void qf_fill_buffer(qf_info_T *qi, buf_T *buf, qfline_T *old_last)
apply_autocmds(EVENT_BUFWINENTER, (char_u *)"quickfix", NULL,
false, curbuf);
keep_filetype = false;
curbuf_lock--;
// make sure it will be redrawn
redraw_curbuf_later(NOT_VALID);

18
src/nvim/testdir/test_quickfix.vim
View File

@@ -2172,7 +2172,7 @@ endfunc
func Test_cclose_from_copen()
augroup QF_Test
au!
au FileType qf :cclose
au FileType qf :call assert_fails(':cclose', 'E788')
augroup END
copen
augroup QF_Test
@@ -2209,3 +2209,19 @@ func Test_Qf_Size()
call XsizeTests('c')
call XsizeTests('l')
endfunc
func Test_cclose_in_autocmd()
" Problem is only triggered if "starting" is zero, so that the OptionsSet
" event will be triggered.
" call test_override('starting', 1)
augroup QF_Test
au!
au FileType qf :call assert_fails(':cclose', 'E788')
augroup END
copen
augroup QF_Test
au!
augroup END
augroup! QF_Test
" call test_override('starting', 0)
endfunc