{"ast_node_type":"function","tokens":[{"end":62,"kind":"keyword","start":0,"text":"fn"}]}
    fn acc(&mut self, ln: LiveNode, var: Variable, acc: u32) {
    // Either read, write, or both depending on the acc bitset
        debug!("{:?} accesses[{:x}] {:?}: {}", ln, acc, var, self.ln_str(ln));