Function is_elixir_def_binding

internal/cbm/extract_usages.c:580–600

}

static bool is_elixir_def_binding(CBMExtractCtx *ctx, TSNode node) {
    for (TSNode form = ts_node_parent(node); !ts_node_is_null(form); form = ts_node_parent(form)) {
        if (strcmp(ts_node_type(form), "call") != 0 || ts_node_named_child_count(form) < 2) {
            continue;
        }
        TSNode head = ts_node_named_child(form, 0);
        if (!text_equals(ctx, head, "def") && !text_equals(ctx, head, "defp") &&
            !text_equals(ctx, head, "defmacro")) {
            continue;
        }
        TSNode arguments = ts_node_child_by_field_name(form, TS_FIELD("arguments"));
        if (ts_node_is_null(arguments) || ts_node_named_child_count(arguments) == 0) {
            arguments = ts_node_named_child(form, 1);
        }
        TSNode signature = ts_node_named_child_count(arguments) > 0
                               ? ts_node_named_child(arguments, 0)
                               : arguments;
        return node_contains(head, node) || node_contains(signature, node);
    }
    return false;
}

static bool is_first_named_part_of(TSNode node, const char *container_kind) {
    for (TSNode parent = ts_node_parent(node); !ts_node_is_null(parent);