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patch 8.2.4006: Vim9: crash when declaring variable on the command line

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Problem:    Vim9: crash when declaring variable on the command line.
Solution:   Use a temporary type list. (closes #9474)
This commit is contained in:
Bram Moolenaar
2022-01-05 10:16:30 +00:00
parent a6f7929e62
commit c653e4a2bd
3 changed files with 39 additions and 3 deletions
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22
src/eval.c
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@@ -889,8 +889,9 @@ get_lval(
}
if (*p == ':')
{
scriptitem_T *si = SCRIPT_ITEM(current_sctx.sc_sid);
char_u *tp = skipwhite(p + 1);
garray_T tmp_type_list;
garray_T *type_list;
char_u *tp = skipwhite(p + 1);
if (tp == p + 1 && !quiet)
{
@@ -898,11 +899,26 @@ get_lval(
return NULL;
}
if (SCRIPT_ID_VALID(current_sctx.sc_sid))
type_list = &SCRIPT_ITEM(current_sctx.sc_sid)->sn_type_list;
else
{
type_list = &tmp_type_list;
ga_init2(type_list, sizeof(type_T), 10);
}
// parse the type after the name
lp->ll_type = parse_type(&tp, &si->sn_type_list, !quiet);
lp->ll_type = parse_type(&tp, type_list, !quiet);
if (lp->ll_type == NULL && !quiet)
return NULL;
lp->ll_name_end = tp;
// drop the type when not in a script
if (type_list == &tmp_type_list)
{
lp->ll_type = NULL;
clear_type_list(type_list);
}
}
}
}