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-rw-r--r--src/nvim/quickfix.c15
-rw-r--r--src/nvim/testdir/test_quickfix.vim24
2 files changed, 36 insertions, 3 deletions
diff --git a/src/nvim/quickfix.c b/src/nvim/quickfix.c
index d9f09dbb55..6e14888ca8 100644
--- a/src/nvim/quickfix.c
+++ b/src/nvim/quickfix.c
@@ -728,6 +728,15 @@ static int qf_get_nextline(qfstate_T *state)
return QF_OK;
}
+// Returns true if the specified quickfix/location list is empty.
+static bool qf_list_empty(const qf_info_T *qi, int qf_idx)
+ FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT
+{
+ if (qi == NULL || qf_idx < 0 || qf_idx >= LISTCOUNT) {
+ return true;
+ }
+ return qi->qf_lists[qf_idx].qf_count <= 0;
+}
/// Parse a line and get the quickfix fields.
/// Return the QF_ status.
@@ -2906,8 +2915,7 @@ void qf_view_result(bool split)
if (IS_LL_WINDOW(curwin)) {
qi = GET_LOC_LIST(curwin);
}
- if (qi == NULL
- || qi->qf_lists[qi->qf_curlist].qf_count == 0) {
+ if (qf_list_empty(qi, qi->qf_curlist)) {
EMSG(_(e_quickfix));
return;
}
@@ -3456,7 +3464,8 @@ static void qf_jump_first(qf_info_T *qi, unsigned save_qfid, int forceit)
if (qi->qf_lists[qi->qf_curlist].qf_id != save_qfid) {
qi->qf_curlist = qf_id2nr(qi, save_qfid);
}
- if (qi->qf_lists[qi->qf_curlist].qf_count > 0) {
+ // Autocommands might have cleared the list, check for it
+ if (!qf_list_empty(qi, qi->qf_curlist)) {
qf_jump(qi, 0, 0, forceit);
}
}
diff --git a/src/nvim/testdir/test_quickfix.vim b/src/nvim/testdir/test_quickfix.vim
index 440bf47f4b..16f008ca41 100644
--- a/src/nvim/testdir/test_quickfix.vim
+++ b/src/nvim/testdir/test_quickfix.vim
@@ -3515,6 +3515,30 @@ func Xautocmd_changelist(cchar)
call assert_equal(5, line('.'))
autocmd! QuickFixCmdPost
+ " Test for autocommands clearing the quickfix list before jumping to the
+ " first error. This should not result in an error
+ autocmd QuickFixCmdPost * call g:Xsetlist([], 'r')
+ let v:errmsg = ''
+ " Test for cfile/lfile
+ Xfile Xerr
+ call assert_true(v:errmsg !~# 'E42:')
+ " Test for cbuffer/lbuffer
+ edit Xerr
+ Xbuffer
+ call assert_true(v:errmsg !~# 'E42:')
+ " Test for cexpr/lexpr
+ Xexpr 'Xtestfile2:4:Line4'
+ call assert_true(v:errmsg !~# 'E42:')
+ " Test for grep/lgrep
+ " The grepprg may not be set on non-Unix systems
+ if has('unix')
+ silent Xgrep Line5 Xtestfile2
+ call assert_true(v:errmsg !~# 'E42:')
+ endif
+ " Test for vimgrep/lvimgrep
+ call assert_fails('silent Xvimgrep Line5 Xtestfile2', 'E480:')
+ autocmd! QuickFixCmdPost
+
call delete('Xerr')
call delete('Xtestfile1')
call delete('Xtestfile2')