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patch 9.0.1867: Vim9: access to interface statics possible

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Problem:  Vim9: access to interface statics possible
Solution: Prevent direct access to interface statics

closes: #13007

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Ernie Rael <errael@raelity.com>
This commit is contained in:
Ernie Rael
2023-09-04 22:30:41 +02:00
committed by Christian Brabandt
parent dccc29c228
commit 18143d3111
12 changed files with 332 additions and 25 deletions
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13
src/vim9compile.c
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@@ -1874,7 +1874,13 @@ compile_lhs(
&lhs->lhs_member_idx, &m);
if (lhs->lhs_member_idx < 0)
return FAIL;
if ((cl->class_flags & CLASS_INTERFACE) != 0
&& lhs->lhs_type->tt_type == VAR_CLASS)
{
semsg(_(e_interface_static_direct_access_str),
cl->class_name, m->ocm_name);
return FAIL;
}
// If it is private member variable, then accessing it outside the
// class is not allowed.
if ((m->ocm_access != VIM_ACCESS_ALL) && !inside_class(cctx, cl))
@@ -2112,8 +2118,9 @@ compile_load_lhs_with_index(lhs_T *lhs, char_u *var_start, cctx_T *cctx)
return FAIL;
}
if (cl->class_flags & CLASS_INTERFACE)
return generate_GET_ITF_MEMBER(cctx, cl, lhs->lhs_member_idx, type);
return generate_GET_OBJ_MEMBER(cctx, lhs->lhs_member_idx, type);
return generate_GET_ITF_MEMBER(cctx, cl, lhs->lhs_member_idx, type,
FALSE);
return generate_GET_OBJ_MEMBER(cctx, lhs->lhs_member_idx, type, FALSE);
}
compile_load_lhs(lhs, var_start, NULL, cctx);