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mlua_derive: Deny #[lua = "..."] syntax

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This commit is contained in:
Alex Orlenko
2026-05-30 22:23:03 +01:00
parent b7c98ad9bb
commit a7c5a24a7b
2 changed files with 28 additions and 8 deletions
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mlua_derive/src/userdata/userdata_impl.rs
+14 -4
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@@ -177,10 +177,20 @@ fn strip_item_attrs(attrs: &[Attribute]) -> Vec<Attribute> {
fn parse_lua_attr(attrs: &[Attribute]) -> syn::Result<LuaAttr> {
let mut lua_attr = LuaAttr::default();
for attr in attrs {
if attr.path().is_ident("lua")
&& let Meta::List(_) = &attr.meta
{
attr.parse_nested_meta(|meta| lua_attr.parse_inner(meta))?;
if !attr.path().is_ident("lua") {
continue;
}
match &attr.meta {
Meta::List(_) => {
attr.parse_nested_meta(|meta| lua_attr.parse_inner(meta))?;
}
Meta::Path(_) => {}
Meta::NameValue(_) => {
return Err(syn::Error::new_spanned(
attr,
"`#[lua = \"...\"]` is not supported: use `#[lua(attr = \"...\")]`",
));
}
}
}
Ok(lua_attr)