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patch 8.2.1291: Vim9: type of varargs items is not checked
Problem: Vim9: type of varargs items is not checked. Solution: Check the list item types. (closes #6523)
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@@ -755,9 +755,27 @@ call_def_function(
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argc -= vararg_count;
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if (exe_newlist(vararg_count, &ectx) == FAIL)
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goto failed_early;
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// Check the type of the list items.
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tv = STACK_TV_BOT(-1);
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if (ufunc->uf_va_type != NULL
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&& ufunc->uf_va_type->tt_member != &t_any
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&& tv->vval.v_list != NULL)
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{
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type_T *expected = ufunc->uf_va_type->tt_member;
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listitem_T *li = tv->vval.v_list->lv_first;
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for (idx = 0; idx < vararg_count; ++idx)
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{
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if (check_typval_type(expected, &li->li_tv) == FAIL)
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goto failed_early;
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li = li->li_next;
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}
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}
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if (defcount > 0)
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// Move varargs list to below missing default arguments.
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*STACK_TV_BOT(defcount- 1) = *STACK_TV_BOT(-1);
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*STACK_TV_BOT(defcount - 1) = *STACK_TV_BOT(-1);
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--ectx.ec_stack.ga_len;
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}
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