Method token

cranelift/reader/src/parser.rs:482–505

Get the current lookahead token, after making sure there is one.

(&mut self)

    // Get the current lookahead token, after making sure there is one.
    fn token(&mut self) -> Option<Token<'a>> {
        while self.lookahead.is_none() {
            match self.lex.next() {
                Some(Ok(LocatedToken { token, location })) => {
                    match token {
                        Token::Comment(text) => {
                            if self.gathering_comments {
                                self.gathered_comments.push(text);
                            }
                        }
                        _ => self.lookahead = Some(token),
                    }
                    self.loc = location;
                }
                Some(Err(LocatedError { error, location })) => {
                    self.lex_error = Some(error);
                    self.loc = location;
                    break;
                }
                None => break,
            }
        }
        self.lookahead
    }

    // Enable gathering of all comments encountered.
    fn start_gathering_comments(&mut self) {