use super::*; pub(super) fn inner_attrs(p: &mut Parser) { while p.at(T![#]) && p.nth(1) == T![!] { attr(p, true) } } pub(super) fn outer_attrs(p: &mut Parser) { while p.at(T![#]) { attr(p, false) } } pub(super) fn meta(p: &mut Parser) { paths::use_path(p); match p.current() { T![=] => { p.bump(T![=]); if expressions::expr(p).0.is_none() { p.error("expected expression"); } } T!['('] | T!['['] | T!['{'] => items::token_tree(p), _ => {} } } fn attr(p: &mut Parser, inner: bool) { let attr = p.start(); assert!(p.at(T![#])); p.bump(T![#]); if inner { assert!(p.at(T![!])); p.bump(T![!]); } if p.eat(T!['[']) { meta(p); if !p.eat(T![']']) { p.error("expected `]`"); } } else { p.error("expected `[`"); } attr.complete(p, ATTR); }