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;;; Beyond call/cc
;; Copyright (C) 2010 Free Software Foundation, Inc.
;;;; This library is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public
;;;; License as published by the Free Software Foundation; either
;;;; version 3 of the License, or (at your option) any later version.
;;;;
;;;; This library 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
;;;; Lesser General Public License for more details.
;;;;
;;;; You should have received a copy of the GNU Lesser General Public
;;;; License along with this library; if not, write to the Free Software
;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;;; Code:
(define-module (ice-9 control)
#:re-export (call-with-prompt abort-to-prompt
default-prompt-tag make-prompt-tag)
#:export (% abort))
(define (abort . args)
(apply abort-to-prompt (default-prompt-tag) args))
(define-syntax %
(syntax-rules ()
((_ expr handler)
(call-with-prompt (default-prompt-tag)
(lambda () expr)
handler))
((_ tag expr handler)
(call-with-prompt tag
(lambda () expr)
handler))))
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