;; -*-theme-d-*-

;; Copyright (C) 2015 Tommi Höynälänmaa
;; Distributed under GNU General Public License version 3,
;; see file doc/GPL-3.

;; Expected results: translation and running OK

;; Expected output:
;;   (0.0,0.0)
;;   (1.5,2.5)

(define-proper-program (tests test520)

  (import (standard-library core-forms))

  (define _console-display
    (unchecked-prim-proc
     theme-prim-console-display (<object>) <none> nonpure))

  (define console-display-string
    (lambda (((str <string>)) <none> nonpure)
      (_console-display str)))

  (define console-newline
    (prim-proc theme-console-newline () <none> nonpure))

  (define integer->string
    (prim-proc number->string (<integer>) <string> pure))

  (define real->string
    (prim-proc number->string (<real>) <string> pure))

  (define-param-class :my-complex (%number)
    <object> #f #t #t public
    (make (:my-complex %number) (zero %number) (zero %number))
    ((re %number public hidden)
     (im %number public hidden)))

  (define-generic-proc my-complex)

  (define-param-method my-complex (%number)
		       (((re1 %number) (im1 %number))
			(:my-complex %number)
			(pure))
    (make (:my-complex %number) re1 im1))

  (define-param-proc real-part (%number)
		     (((cx (:my-complex %number))) %number (pure))
    (field-ref cx 're))

  (define-param-proc imag-part (%number)
		     (((cx (:my-complex %number))) %number (pure))
    (field-ref cx 'im))

  (define-simple-proc display-complex (((cx (:my-complex <real>)))
				       <none> nonpure)
    (console-display-string "(")
    (console-display-string (real->string (real-part cx)))
    (console-display-string ",")
    (console-display-string (real->string (imag-part cx)))
    (console-display-string ")"))

  (define-simple-proc main (() <none> nonpure)
    (let ((cx1 (zero (:my-complex <real>)))
	  (cx2 (my-complex 1.5 2.5)))
      (display-complex cx1)
      (console-newline)
      (display-complex cx2)
      (console-newline))))
