Cleanup: Use rustc's is_proc_macro_attr

It's doing exactly the same: https://doc.rust-lang.org/nightly/nightly-rustc/src/rustc_ast/expand/mod.rs.html#8-12
This commit is contained in:
Philipp Hansch 2020-04-13 09:33:00 +02:00
parent e29d550565
commit e47db677ac
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@ -1,4 +1,5 @@
use rustc_ast::ast;
use rustc_ast::expand::is_proc_macro_attr;
use rustc_errors::Applicability;
use rustc_session::Session;
use std::str::FromStr;
@ -123,12 +124,5 @@ fn parse_attrs<F: FnMut(u64)>(sess: &Session, attrs: &[ast::Attribute], name: &'
/// Return true if the attributes contain any of `proc_macro`,
/// `proc_macro_derive` or `proc_macro_attribute`, false otherwise
pub fn is_proc_macro(attrs: &[ast::Attribute]) -> bool {
use rustc_span::Symbol;
let syms = [
Symbol::intern("proc_macro"),
Symbol::intern("proc_macro_derive"),
Symbol::intern("proc_macro_attribute"),
];
attrs.iter().any(|attr| syms.iter().any(move |&s| attr.check_name(s)))
attrs.iter().any(is_proc_macro_attr)
}