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patch 7.4.1711

Problem:    When using try/catch in 'statusline' it is still considered an
            error and the status line will be disabled.
Solution:   Check did_emsg instead of called_emsg. (haya14busa, closes #729)
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brammool committed Apr 5, 2016
1 parent 17fe5e1 commit a742e084b677f76c67e9e52c4f9fb9ab24002e20
Showing with 46 additions and 4 deletions.
  1. +4 −4 src/screen.c
  2. +1 −0 src/testdir/test_alot.vim
  3. +39 −0 src/testdir/test_statusline.vim
  4. +2 −0 src/version.c
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@@ -6779,17 +6779,17 @@ win_redr_status(win_T *wp)
redraw_custom_statusline(win_T *wp)
{
static int entered = FALSE;
int save_called_emsg = called_emsg;
int saved_did_emsg = did_emsg;
/* When called recursively return. This can happen when the statusline
* contains an expression that triggers a redraw. */
if (entered)
return;
entered = TRUE;
called_emsg = FALSE;
did_emsg = FALSE;
win_redr_custom(wp, FALSE);
if (called_emsg)
if (did_emsg)
{
/* When there is an error disable the statusline, otherwise the
* display is messed up with errors and a redraw triggers the problem
@@ -6798,7 +6798,7 @@ redraw_custom_statusline(win_T *wp)
(char_u *)"", OPT_FREE | (*wp->w_p_stl != NUL
? OPT_LOCAL : OPT_GLOBAL), SID_ERROR);
}
called_emsg |= save_called_emsg;
did_emsg |= saved_did_emsg;
entered = FALSE;
}
#endif
@@ -22,6 +22,7 @@ source test_reltime.vim
source test_searchpos.vim
source test_set.vim
source test_sort.vim
source test_statusline.vim
source test_syn_attr.vim
source test_timers.vim
source test_undolevels.vim
@@ -0,0 +1,39 @@
function! StatuslineWithCaughtError()
let s:func_in_statusline_called = 1
try
call eval('unknown expression')
catch
endtry
return ''
endfunction
function! StatuslineWithError()
let s:func_in_statusline_called = 1
call eval('unknown expression')
return ''
endfunction
function! Test_caught_error_in_statusline()
let s:func_in_statusline_called = 0
set laststatus=2
let statusline = '%{StatuslineWithCaughtError()}'
let &statusline = statusline
redrawstatus
call assert_true(s:func_in_statusline_called)
call assert_equal(statusline, &statusline)
set statusline=
endfunction
function! Test_statusline_will_be_disabled_with_error()
let s:func_in_statusline_called = 0
set laststatus=2
let statusline = '%{StatuslineWithError()}'
try
let &statusline = statusline
redrawstatus
catch
endtry
call assert_true(s:func_in_statusline_called)
call assert_equal('', &statusline)
set statusline=
endfunction
View
@@ -748,6 +748,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
1711,
/**/
1710,
/**/

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