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;; -*-theme-d-*-
;; Copyright (C) 2008-2013 Tommi Höynälänmaa
;; Distributed under GNU General Public License version 3,
;; see file doc/GPL-3.
;; Expected results: translation and running OK
(define-proper-program (tests test175)
(import (standard-library core)
(standard-library string-utilities)
(standard-library console-io))
(declare <my-tree> <normal-class>)
(define-class <my-tree>
(fields
(node-value <integer> public public)
(subtrees (:uniform-list <my-tree>) public public)))
(declare get-prefix (:procedure (<integer>) <string> pure))
(define get-prefix
(lambda (((level <integer>)) <string> force-pure)
(if (<= level 0)
""
(string-append " " (get-prefix (- level 1))))))
(declare do-display-my-tree
(:procedure (<my-tree> <integer>) <none> nonpure))
(define do-display-my-tree
(lambda (((tree <my-tree>) (level <integer>)) <none> nonpure)
(let ((prefix <string> (get-prefix level)))
(console-display prefix)
(console-display (field-ref tree 'node-value))
(console-newline)
(let-mutable ((cur-subtrees (:uniform-list <my-tree>)
(field-ref tree 'subtrees)))
(until ((equal? cur-subtrees null))
(let ((cur-subtrees1
(cast (:nonempty-uniform-list <my-tree>)
cur-subtrees)))
(do-display-my-tree (car cur-subtrees1)
(+ level 1))
(set! cur-subtrees (cdr cur-subtrees1))))))))
(define display-my-tree
(lambda (((tree <my-tree>)) <none> nonpure)
(do-display-my-tree tree 0)))
(define main
(lambda (() <integer> nonpure)
(let ((my-tree
(create <my-tree>
1
(list
(create <my-tree> 2 null)
(create <my-tree>
3
(list
(create <my-tree> 4 null)
(create <my-tree> 5 null)))))))
(display-my-tree my-tree))
0)))
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