class Treetop::Compiler::OneOrMore

def compile(address, builder, parent_expression)
  super
  builder.if__ "#{accumulator_var}.empty?" do
    reset_index
    assign_failure start_index_var
  end
  builder.else_ do
    assign_and_extend_result parent_expression
  end
  end_comment(parent_expression)
end

def expected
  parent_expression.atomic.expected && '"at least one "+'+parent_expression.atomic.expected
end

def max
  nil
end