use rustc_expand::base::ExtCtxt; | |
use rustc_feature::AttributeTemplate; | |
use rustc_parse::validate_attr; | |
use rustc_span::Symbol; | |
use syntax::ast::MetaItem; | |
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::only_word(); | |
let attr = ecx.attribute(meta_item.clone()); | |
validate_attr::check_builtin_attribute(ecx.parse_sess, &attr, name, template); | |
} |