On 7 October 2016, Gerd Wachsmuth <vim-dev-git...@256bit.org> wrote:
> > The issue is that the multiline error is started by %W and ends with %Z
> > without adding any errors.
> In my opinion, it is not the issue that no `%C` is present:
> With
>
> set efm=%+Eerror\ %l,%-Winfo\ %m\ %l,%+Ceven\ more\ %m,%Zmore\ info
> (note the `%C` line)
> and the errorfile
> ````
> info bla 3
> even more info
> more info
> error 2
> ````
> we do not see `error 2` in the quickfix window.
What seems to be going on here is that the first line gets matched
as `%-W` and `qf_parse_line()` returns `QF_IGNORE_LINE`. Then the
second line gets matched as `%+C`, it sets `%m`, but then it can't
find a previous line to continue since the previous line was ignored.
Consequently `qf_parse_line()` returns `QF_FAIL`, and `qf_init_ext()`
bails out at that point, silently ignoring any remaining input.
Possible solution:
```diff
diff --git a/src/quickfix.c b/src/quickfix.c
index 52abbeb..9139663 100644
--- a/src/quickfix.c
+++ b/src/quickfix.c
@@ -1010,6 +1010,8 @@ restofline:
}
else if (vim_strchr((char_u *)"CZ", idx) != NULL)
{ /* continuation of multi-line msg */
+ if (!qi->qf_multiignore)
+ {
qfline_T *qfprev = qi->qf_lists[qi->qf_curlist].qf_last;
if (qfprev == NULL)
@@ -1043,6 +1045,7 @@ restofline:
? fields->namebuf
: qi->qf_currfile != NULL && fields->valid
? qi->qf_currfile : 0);
+ }
if (idx == 'Z')
qi->qf_multiline = qi->qf_multiignore = FALSE;
line_breakcheck();
```
/lcd
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