1 //! Definitions shared by macros / syntax extensions and e.g. librustc_middle.
3 use crate::ast::Attribute;
4 use rustc_span::symbol::sym;
8 pub fn is_proc_macro_attr(attr: &Attribute) -> bool {
9 [sym::proc_macro, sym::proc_macro_attribute, sym::proc_macro_derive]
11 .any(|kind| attr.check_name(*kind))