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patch 8.2.0035: saving and restoring called_emsg is clumsy

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Problem:    Saving and restoring called_emsg is clumsy.
Solution:   Count the number of error messages.
This commit is contained in:
Bram Moolenaar
2019-12-23 22:59:18 +01:00
parent 70188f5b23
commit 53989554a4
13 changed files with 32 additions and 51 deletions
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7
src/gui.c
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@@ -3704,14 +3704,12 @@ get_tabline_label(
if (**opt != NUL)
{
int use_sandbox = FALSE;
int save_called_emsg = called_emsg;
int called_emsg_before = called_emsg;
char_u res[MAXPATHL];
tabpage_T *save_curtab;
char_u *opt_name = (char_u *)(tooltip ? "guitabtooltip"
: "guitablabel");
called_emsg = FALSE;
printer_page_num = tabpage_index(tp);
# ifdef FEAT_EVAL
set_vim_var_nr(VV_LNUM, printer_page_num);
@@ -3742,10 +3740,9 @@ get_tabline_label(
curwin = curtab->tp_curwin;
curbuf = curwin->w_buffer;
if (called_emsg)
if (called_emsg > called_emsg_before)
set_string_option_direct(opt_name, -1,
(char_u *)"", OPT_FREE, SID_ERROR);
called_emsg |= save_called_emsg;
}
// If 'guitablabel'/'guitabtooltip' is not set or the result is empty then