# File lib/brakeman/processors/lib/rails3_config_processor.rb, line 118
  def get_rails_config exp
    if node_type? exp, :attrasgn
      attribute = exp.method.to_s[0..-2].to_sym
      get_rails_config(exp.target) << attribute
    elsif call? exp
      if exp.target == RAILS_CONFIG
        [exp.method]
      else
        get_rails_config(exp.target) << exp.method
      end
    else
      raise "WHAT"
    end
  end