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Auto merge of #5458 - phansch:is-proc-macro-attr, r=matthiaskrgr

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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

changelog: none
This commit is contained in:
bors 2020-04-14 05:31:03 +00:00
commit aa08c39b11
1 changed files with 2 additions and 8 deletions
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10
clippy_lints/src/utils/attrs.rs
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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)
}