rust/crates/ra_syntax/src/grammar/attributes.rs
2018-09-16 13:07:39 +03:00

32 lines
578 B
Rust

use super::*;
pub(super) fn inner_attributes(p: &mut Parser) {
while p.current() == POUND && p.nth(1) == EXCL {
attribute(p, true)
}
}
pub(super) fn outer_attributes(p: &mut Parser) {
while p.at(POUND) {
attribute(p, false)
}
}
fn attribute(p: &mut Parser, inner: bool) {
let attr = p.start();
assert!(p.at(POUND));
p.bump();
if inner {
assert!(p.at(EXCL));
p.bump();
}
if p.at(L_BRACK) {
items::token_tree(p);
} else {
p.error("expected `[`");
}
attr.complete(p, ATTR);
}