Method callee_name

codegraph-kernel/src/rlang.rs:251–258

calleeName (r.ts:46-55): bare identifier text, or a namespace_operator's `rhs` field text (`pkg::fn` → `fn`) — so `methods::setClass` etc. trigger the special branches. Everything else (extract_operator, subset2, string, call, return…) → None.

(&self, call: Node<'t>)

    /// `methods::setClass` etc. trigger the special branches. Everything else
    /// (extract_operator, subset2, string, call, return…) → None.
    fn callee_name(&self, call: Node<'t>) -> Option<&'t str> {
        let f = call.child_by_field_name("function")?;
        match f.kind() {
            "identifier" => Some(self.text(f)),
            "namespace_operator" => f.child_by_field_name("rhs").map(|rhs| self.text(rhs)),
            _ => None,
        }
    }

    /// firstArgValue (r.ts:58-67): the FIRST `argument`-typed named child of
    /// the `arguments` field → its `value` field (named arguments are NOT