use super::*; pub(super) fn inner_attributes(p: &mut Parser) { many(p, |p| attribute(p, true)) } pub(super) fn outer_attributes(_: &mut Parser) { } fn attribute(p: &mut Parser, inner: bool) -> bool { fn attr_tail(p: &mut Parser) { meta_item(p) && p.expect(R_BRACK); } if inner { node_if(p, [POUND, EXCL, L_BRACK], ATTR, attr_tail) } else { node_if(p, [POUND, L_BRACK], ATTR, attr_tail) } } fn meta_item(p: &mut Parser) -> bool { node_if(p, IDENT, META_ITEM, |p| { if p.eat(EQ) { if !expressions::literal(p) { p.error() .message("expected literal") .emit(); } } else if p.eat(L_PAREN) { comma_list(p, R_PAREN, meta_item_inner); p.expect(R_PAREN); } }) } fn meta_item_inner(p: &mut Parser) -> bool { meta_item(p) || expressions::literal(p) }