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Disallow aliasing of @local symbols with a higher visibility in the alias.

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This commit is contained in:
Christoffer Lerno
2025-10-10 14:04:19 +02:00
parent df67b7dddd
commit 6f11260a5c
7 changed files with 29 additions and 8 deletions
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5
src/compiler/sema_decls.c
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@@ -5302,6 +5302,11 @@ static inline bool sema_analyse_alias(SemaContext *context, Decl *decl, bool *er
}
decl->type = symbol->type;
decl->define_decl.alias = symbol;
if (symbol->visibility == VISIBLE_LOCAL && decl->visibility < VISIBLE_LOCAL)
{
RETURN_SEMA_ERROR(decl, "A local symbol like '%s' may not be aliased to 'private' or 'public' visibility, please change it to at least be '@private'", symbol->name);
}
// If the symbol is more hidden than the alias, then we must increase the visibility.
if (decl_is_externally_visible(decl) && !decl_is_externally_visible(symbol))
{
symbol->is_external_visible = true;