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patch 8.2.2781: add() silently skips when adding to null list or blob

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Problem:    Add() silently skips when adding to null list or blob.
Solution:   Give an error in Vim9 script.  Allocate blob when it is NULL like
            with list and dict.
This commit is contained in:
Bram Moolenaar
2021-04-18 14:12:31 +02:00
parent d551d6c268
commit b7c21afef1
6 changed files with 101 additions and 20 deletions
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6
src/evalvars.c
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@@ -2662,6 +2662,12 @@ eval_variable(
if (tv->vval.v_list != NULL)
++tv->vval.v_list->lv_refcount;
}
else if (tv->v_type == VAR_BLOB && tv->vval.v_blob == NULL)
{
tv->vval.v_blob = blob_alloc();
if (tv->vval.v_blob != NULL)
++tv->vval.v_blob->bv_refcount;
}
copy_tv(tv, rettv);
}
}