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patch 8.2.3788: lambda for option that is a function may be freed

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Problem:    Lambda for option that is a function may be garbage collected.
Solution:   Set a reference in the funcref. (Yegappan Lakshmanan,
            closes #9330)
This commit is contained in:
Yegappan Lakshmanan
2021-12-12 16:26:44 +00:00
committed by Bram Moolenaar
parent 6e371ecb27
commit 6ae8fae869
19 changed files with 1090 additions and 897 deletions
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36
src/evalbuffer.c
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@@ -26,31 +26,25 @@ set_ref_in_buffers(int copyID)
FOR_ALL_BUFFERS(bp)
{
listener_T *lnr;
typval_T tv;
for (lnr = bp->b_listener; !abort && lnr != NULL; lnr = lnr->lr_next)
{
if (lnr->lr_callback.cb_partial != NULL)
{
tv.v_type = VAR_PARTIAL;
tv.vval.v_partial = lnr->lr_callback.cb_partial;
abort = abort || set_ref_in_item(&tv, copyID, NULL, NULL);
}
}
abort = abort || set_ref_in_callback(&lnr->lr_callback, copyID);
# ifdef FEAT_JOB_CHANNEL
if (!abort && bp->b_prompt_callback.cb_partial != NULL)
{
tv.v_type = VAR_PARTIAL;
tv.vval.v_partial = bp->b_prompt_callback.cb_partial;
abort = abort || set_ref_in_item(&tv, copyID, NULL, NULL);
}
if (!abort && bp->b_prompt_interrupt.cb_partial != NULL)
{
tv.v_type = VAR_PARTIAL;
tv.vval.v_partial = bp->b_prompt_interrupt.cb_partial;
abort = abort || set_ref_in_item(&tv, copyID, NULL, NULL);
}
if (!abort)
abort = abort || set_ref_in_callback(&bp->b_prompt_callback, copyID);
if (!abort)
abort = abort || set_ref_in_callback(&bp->b_prompt_interrupt, copyID);
# endif
#ifdef FEAT_COMPL_FUNC
if (!abort)
abort = abort || set_ref_in_callback(&bp->b_cfu_cb, copyID);
if (!abort)
abort = abort || set_ref_in_callback(&bp->b_ofu_cb, copyID);
if (!abort)
abort = abort || set_ref_in_callback(&bp->b_tsrfu_cb, copyID);
#endif
if (!abort)
abort = abort || set_ref_in_callback(&bp->b_tfu_cb, copyID);
if (abort)
break;
}