#!/usr/bin/guile \
--debug -e main -s
!#

(use-modules (ice-9 debug))
(debug-enable 'trace)
(trace-stack #t)
;;(debug-enable 'backtrace)
;;(format #t "~s~%" (debug-options))
;;(format #t "~s~%" (traps))
;;(format #t "~s~%" (evaluator-traps-interface))
;;(format #t "~s~%" (list (@@(ice-9 debug)
;;                         trace-exit)
;;                        (@@(ice-9 debug) trace-entry)))
;;(evaluator-traps-interface `( exit-frame-handler ,(@@(ice-9 debug) trace-exit )))
;;(evaluator-traps-interface `(apply-frame-handler ,(@@(ice-9 debug) trace-entry)))
;;(format #t "~s~%" (evaluator-traps-interface))
;;
;;(format (current-error-port) "This message appears on the current error port.~%")
;;(format #t "traced-stack-ids: ~s~%" (@@(ice-9 debug) traced-stack-ids))
;;(format #t "trace-all-stacks? ~s~%" (@@(ice-9 debug) trace-all-stacks?))

(define (something arg)
  (if (not (positive? arg))
      0
    (+ arg (something (- arg 1)))))

(define (main . args)
;;  (trace something)
  (something (string->number (list-ref (car args) 1))))

(trace something)
(with-traps
 (lambda ()
   (something 9)))