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updated for version 7.3.1199

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Problem:    When evaluating 'foldexpr' causes an error this is silently
            ignored and evaluation is retried every time.
Solution:   Set emsg_silent instead of emsg_off. Stop evaluating 'foldexpr' is
            it is causing errors.  (Christian Brabandt)
This commit is contained in:
Bram Moolenaar
2013-06-15 17:06:36 +02:00
parent 9be6e21575
commit dab38d516e
2 changed files with 38 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
src/fold.c
View File

@@ -1930,8 +1930,22 @@ get_foldtext(wp, lnum, lnume, foldinfo, buf)
char_u *buf;
{
char_u *text = NULL;
#ifdef FEAT_EVAL
/* an error occurred when evaluating 'fdt' setting */
static int got_fdt_error = FALSE;
int save_did_emsg = did_emsg;
static win_T *last_wp = NULL;
static linenr_T last_lnum = 0;
if (last_wp != wp || last_wp == NULL
|| last_lnum > lnum || last_lnum == 0)
/* window changed, try evaluating foldtext setting once again */
got_fdt_error = FALSE;
if (!got_fdt_error)
/* a previous error should not abort evaluating 'foldexpr' */
did_emsg = FALSE;
if (*wp->w_p_fdt != NUL)
{
char_u dashes[MAX_LEVEL + 2];
@@ -1952,19 +1966,32 @@ get_foldtext(wp, lnum, lnume, foldinfo, buf)
dashes[level] = NUL;
set_vim_var_string(VV_FOLDDASHES, dashes, -1);
set_vim_var_nr(VV_FOLDLEVEL, (long)level);
/* skip evaluating foldtext on errors */
if (!got_fdt_error)
{
save_curwin = curwin;
curwin = wp;
curbuf = wp->w_buffer;
++emsg_off;
++emsg_silent; /* handle exceptions, but don't display errors */
text = eval_to_string_safe(wp->w_p_fdt, NULL,
was_set_insecurely((char_u *)"foldtext", OPT_LOCAL));
--emsg_off;
--emsg_silent;
if (text == NULL || did_emsg)
got_fdt_error = TRUE;
curwin = save_curwin;
curbuf = curwin->w_buffer;
}
last_lnum = lnum;
last_wp = wp;
set_vim_var_string(VV_FOLDDASHES, NULL, -1);
if (!did_emsg && save_did_emsg)
did_emsg = save_did_emsg;
if (text != NULL)
{
/* Replace unprintable characters, if there are any. But

2
src/version.c
View File

@@ -728,6 +728,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
1199,
/**/
1198,
/**/