def standard_sc_expr_str(sc):
    """
    Standard symbol/choice printing function. Uses plain Kconfig syntax, and
    displays choices as <choice> (or <choice NAME>, for named choices).

    See expr_str().
    """
    if sc.__class__ is Symbol:
        return '"{}"'.format(escape(sc.name)) if sc.is_constant else sc.name

    # Choice
    return "<choice {}>".format(sc.name) if sc.name else "<choice>"