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;; -*-theme-d-*-
;; Copyright (C) 2017 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 test510)
(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-param-logical-type :nonempty-uniform-list (%type)
(:pair %type (:uniform-list %type)))
(define-param-proc-alt append (%types)
(unchecked-prim-proc append
((splice (type-loop %type %types
(:uniform-list %type))))
(:uniform-list (:union (splice %types)))
pure))
(define-param-proc-alt car (%type1 %type2)
(unchecked-prim-proc car ((:pair %type1 %type2)) %type1
(pure always-returns)))
(define-param-proc-alt cdr (%type1 %type2)
(unchecked-prim-proc cdr ((:pair %type1 %type2)) %type2
(pure always-returns)))
(define-param-proc-alt list (%arglist)
(unchecked-prim-proc list ((splice %arglist)) %arglist pure))
(define-param-class :stack
(parameters %type)
(fields
(l-contents (:uniform-list %type) public module null)))
(define-param-proc push (%type)
(((stack (:stack %type))
(x-item %type))
<none>
nonpure)
(field-set! stack 'l-contents
(append (list x-item)
(field-ref stack 'l-contents))))
(define-param-proc pop (%type)
(((stack (:stack %type)))
%type
nonpure)
(let ((l1 (cast (:nonempty-uniform-list %type)
(field-ref stack 'l-contents))))
(field-set! stack 'l-contents (cdr l1))
(car l1)))
(define-main-proc (() <none> nonpure)
(let ((stack (create (:stack <integer>))))
(push stack 1)
(push stack 2)
(push stack 3)
(console-display-string (integer->string (pop stack)))
(console-newline)
(console-display-string (integer->string (pop stack)))
(console-newline)
(console-display-string (integer->string (pop stack)))
(console-newline))))
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