# File lib/brakeman/processors/erubis_template_processor.rb, line 7
  def process_call exp
    target = exp.target
    if sexp? target
      target = process target
    end

    exp.target = target
    exp.arglist = process exp.arglist
    method = exp.method

    #_buf is the default output variable for Erubis
    if node_type?(target, :lvar, :ivar) and (target.value == :_buf or target.value == :@output_buffer)
      if method == :<< or method == :safe_concat

        arg = normalize_output(exp.first_arg)

        if arg.node_type == :str #ignore plain strings
          ignore
        elsif node_type? target, :ivar and target.value == :@output_buffer
          add_escaped_output arg
        else
          add_output arg
        end
      elsif method == :to_s
        ignore
      else
        abort "Unrecognized action on buffer: #{method}"
      end
    elsif target == nil and method == :render
      make_render_in_view exp
    else
      exp
    end
  end