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patch 9.1.1788: Vim9: can declare a void variable

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Problem:  Vim9: can declare a void variable (Ernie Rael)
Solution: Disallow such variable declaration (Yegappan Lakshmanan)

fixes: #13773
closes: #18382

Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Yegappan Lakshmanan
2025-09-24 17:51:17 +00:00
committed by Christian Brabandt
parent a7680a1a69
commit 7376fa3fd8
13 changed files with 113 additions and 16 deletions
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8
src/vim9type.c
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@@ -997,7 +997,7 @@ valid_declaration_type(type_T *type)
{
char *tofree = NULL;
char *name = type_name(type, &tofree);
semsg(_(e_invalid_type_for_object_variable_str), name);
semsg(_(e_invalid_type_in_variable_declaration_str), name);
vim_free(tofree);
return FALSE;
}
@@ -1629,7 +1629,7 @@ parse_type_member(
*arg = skipwhite(*arg + 1);
member_type = parse_type(arg, type_gap, ufunc, cctx, give_error);
if (member_type == NULL)
if (member_type == NULL || !valid_declaration_type(member_type))
return NULL;
*arg = skipwhite(*arg);
@@ -1699,7 +1699,7 @@ parse_type_func(
}
type = parse_type(&p, type_gap, ufunc, cctx, give_error);
if (type == NULL)
if (type == NULL || !valid_declaration_type(type))
return NULL;
if ((flags & TTFLAG_VARARGS) != 0 && type->tt_type != VAR_LIST)
{
@@ -1831,7 +1831,7 @@ parse_type_tuple(
}
type = parse_type(&p, type_gap, ufunc, cctx, give_error);
if (type == NULL)
if (type == NULL || !valid_declaration_type(type))
goto on_err;
if ((flags & TTFLAG_VARARGS) != 0 && type->tt_type != VAR_LIST)