Method normalize_fn_ref_value

codegraph-kernel/src/dart.rs:1350–1378

normalizeValue with DART_SPEC's one layer (`argument` → fan out). Named arguments are NOT captured (named_argument is not a layer).

(&mut self, v: Node<'t>, from: u32, depth: u32)

    /// normalizeValue with DART_SPEC's one layer (`argument` → fan out).
    /// Named arguments are NOT captured (named_argument is not a layer).
    fn normalize_fn_ref_value(&mut self, v: Node<'t>, from: u32, depth: u32) {
        if depth > 4 {
            return;
        }
        match v.kind() {
            "identifier" => {
                let name = self.text(v).to_string();
                if name.is_empty() || is_stoplisted(&name) {
                    return;
                }
                let p = v.start_position();
                self.fn_ref_cands.push(Cand {
                    from,
                    name,
                    line: p.row as u32 + 1,
                    column_byte: v.start_byte(),
                    row: p.row,
                });
            }
            "argument" => {
                let mut cursor = v.walk();
                let kids: Vec<Node<'t>> = v.named_children(&mut cursor).collect();
                for c in kids {
                    self.normalize_fn_ref_value(c, from, depth + 1);
                }
            }
            _ => {}
        }
    }

    fn scan_fn_ref_subtree(&mut self, node: Node<'t>, depth: u32) {
        if depth > 12 {