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patch 9.1.1610: completion: hang or E684 when 'tagfunc' calls complete()

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Problem:  completion: hang (after 9.1.1471) or E684 (after 9.1.1410)
          when 'tagfunc' calls complete().
Solution: Check if complete() has been called immediately after getting
          matches instead of in the next loop iteration (zeertzjq).

related: #1668
related: neovim/neovim#34416
related: neovim/neovim#35163
closes: #17929

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
zeertzjq
2025-08-08 16:03:43 +02:00
committed by Christian Brabandt
parent bc51ec53d0
commit 982cda6976
3 changed files with 36 additions and 5 deletions
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10
src/insexpand.c
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@@ -5515,11 +5515,6 @@ ins_compl_get_exp(pos_T *ini)
}
}
// If complete() was called then compl_pattern has been reset. The
// following won't work then, bail out.
if (compl_pattern.string == NULL)
break;
if (compl_autocomplete && type == CTRL_X_FUNCTION)
// LSP servers may sporadically take >1s to respond (e.g., while
// loading modules), but other sources might already have matches.
@@ -5532,6 +5527,11 @@ ins_compl_get_exp(pos_T *ini)
// get the next set of completion matches
found_new_match = get_next_completion_match(type, &st, &start_pos);
// If complete() was called then compl_pattern has been reset. The
// following won't work then, bail out.
if (compl_pattern.string == NULL)
break;
if (may_advance_cpt_idx)
{
if (!advance_cpt_sources_index_safe())