mes/scaffold/boot/call-cc.scm

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;;; Mes --- Maxwell Equations of Software
;;; Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
;;;
;;; This file is part of Mes.
;;;
;;; Mes is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; Mes is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with Mes. If not, see <http://www.gnu.org/licenses/>.
;; ,expand (let loop ((i 10)) (if (eq? i 0) 0 (begin (core:display-error i) (core:display-error "\n") (loop (- i 1)))))
;; (let loop ((i 10)) (if (eq? i 0) 0 (begin (display i) (display "\n") (loop (- i 1)))))
(define global "global\n")
(define v #(0 1 2))
(define vv #(#(0 1 2) 0 1 2))
((lambda (loop)
(set! loop
(lambda (i)
(core:display global)
(core:display (values 'foobar global))
(core:display v)
(core:display vv)
(core:display "i=")
(core:display i)
(core:display "\n")
(if (eq? i 0) 0
(begin
((lambda (cont seen?)
(+ 1 (call-with-current-continuation (lambda (c) (set! cont c) 1)))
(core:display " seen?=")
(core:display seen?)
(core:display "\n")
(if seen? 0
(begin
(set! seen? #t)
(cont 2))))
#f #f)
(loop (- i 1))))))
(loop 10000))
*unspecified*)
;; ((lambda (cont seen?)
;; (+ 1 (call-with-current-continuation (lambda (c) (set! cont c) 1)))
;; (core:display "seen?=")
;; (core:display seen?)
;; (core:display "\n")
;; (if seen? 0
;; (begin
;; (set! seen? #t)
;; (cont 2))))
;; #f #f)