1 use rustc_ast::MetaItem;
2 use rustc_expand::base::ExtCtxt;
3 use rustc_feature::AttributeTemplate;
4 use rustc_parse::validate_attr;
5 use rustc_span::Symbol;
7 pub fn check_builtin_macro_attribute(ecx: &ExtCtxt<'_>, meta_item: &MetaItem, name: Symbol) {
8 // All the built-in macro attributes are "words" at the moment.
9 let template = AttributeTemplate { word: true, ..Default::default() };
10 let attr = ecx.attribute(meta_item.clone());
11 validate_attr::check_builtin_attribute(&ecx.sess.parse_sess, &attr, name, template);