Method maybe_capture_fn_refs

codegraph-kernel/src/kotlin.rs:1229–1283

(&mut self, node: Node<'t>)

    // --- function-as-value refs (KOTLIN_SPEC, function-ref.ts:240) ------------------

    fn maybe_capture_fn_refs(&mut self, node: Node<'t>) {
        enum Mode {
            Args,
            Rhs,
        }
        let mode = match node.kind() {
            "value_arguments" => Mode::Args,
            "assignment" => Mode::Rhs, // NO field — RHS = LAST named child
            _ => return,
        };
        if self.stack.is_empty() {
            return;
        }
        let from = self.top_row();

        let mut values: Vec<Node> = Vec::new();
        match mode {
            Mode::Args => {
                for i in 0..node.named_child_count() {
                    if let Some(c) = node.named_child(i) {
                        values.push(c);
                    }
                }
            }
            Mode::Rhs => {
                let rhs = if node.named_child_count() > 0 {
                    node.named_child(node.named_child_count() - 1)
                } else {
                    None
                };
                if let Some(rhs) = rhs {
                    let lhs = node
                        .child_by_field_name("left")
                        .or_else(|| node.child_by_field_name("lhs"))
                        .or_else(|| node.child_by_field_name("target"))
                        .or_else(|| {
                            if node.named_child_count() >= 2 { node.named_child(0) } else { None }
                        });
                    let lhs_text = lhs.map(|l| self.text(l)).unwrap_or("");
                    let lhs_last = util::lhs_last_name()
                        .captures(lhs_text)
                        .and_then(|c| c.get(1))
                        .map(|m| m.as_str());
                    let rhs_text = self.text(rhs).trim();
                    if !(lhs_last.is_some() && lhs_last == Some(rhs_text)) {
                        values.push(rhs);
                    }
                }
            }
        }

        for v in values {
            self.normalize_fn_ref_value(v, from, 0);
        }
    }

    fn normalize_fn_ref_value(&mut self, v: Node<'t>, from: u32, depth: u32) {
        if depth > 4 {