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