1 use rustc_parse::validate_attr;
2 use syntax_pos::Symbol;
3 use syntax::ast::MetaItem;
4 use syntax::attr::AttributeTemplate;
5 use syntax_expand::base::ExtCtxt;
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::only_word();
10 let attr = ecx.attribute(meta_item.clone());
11 validate_attr::check_builtin_attribute(ecx.parse_sess, &attr, name, template);