# File lib/brakeman/processors/erb_template_processor.rb, line 8
  def process_call exp
    target = exp.target
    if sexp? target
      target = process target
    end
    method = exp.method
    
    #_erbout is the default output variable for erb
    if node_type? target, :lvar and target.value == :_erbout
      if method == :concat or method == :<<
        @inside_concat = true
        exp.arglist = process(exp.arglist)
        @inside_concat = false

        if exp.second_arg
          raise "Did not expect more than a single argument to _erbout.concat"
        end

        arg = normalize_output(exp.first_arg)

        if arg.node_type == :str #ignore plain strings
          ignore
        else
          add_output arg
        end
      elsif method == :force_encoding
        ignore
      else
        abort "Unrecognized action on _erbout: #{method}"
      end
    elsif target == nil and method == :render
      exp.arglist = process(exp.arglist)
      make_render_in_view exp
    else
      exp.target = target
      exp.arglist = process(exp.arglist)
      exp
    end
  end