;; -*-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 test519)

  (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-class <complex> <object> #f #t #t public
    (make <complex> 0.0 0.0)
    ((re <real> public hidden)
     (im <real> public hidden)))

  (define-generic-proc complex)

  (define-simple-method complex
    (((re1 <real>) (im1 <real>)) <complex> (pure))
    (make <complex> re1 im1))

  (define-simple-proc real-part (((cx <complex>)) <real> (pure))
    (field-ref cx 're))

  (define-simple-proc imag-part (((cx <complex>)) <real> (pure))
    (field-ref cx 'im))

  (define-simple-proc display-complex (((cx <complex>)) <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 <complex>))
	  (cx2 (complex 1.5 2.5)))
      (display-complex cx1)
      (console-newline)
      (display-complex cx2)
      (console-newline))))
