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;;; -*- mode: scheme; coding: utf-8; -*-
;;;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
;;;; 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2013 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
;;;;
(define-module (ice-9 top-repl)
#:use-module (ice-9 top-repl)
#:use-module ((system repl repl) #:select (start-repl))
;; #:replace, as with deprecated code enabled these will be in the root env
#:replace (top-repl))
(define call-with-sigint
(if (not (provided? 'posix))
(lambda (thunk) (thunk))
(lambda (thunk)
(let ((handler #f))
(dynamic-wind
(lambda ()
(set! handler
(sigaction SIGINT
(lambda (sig)
(scm-error 'signal #f "User interrupt" '()
(list sig))))))
thunk
(lambda ()
(if handler
;; restore Scheme handler, SIG_IGN or SIG_DFL.
(sigaction SIGINT (car handler) (cdr handler))
;; restore original C handler.
(sigaction SIGINT #f))))))))
(define (top-repl)
(let ((guile-user-module (resolve-module '(guile-user))))
;; Use some convenient modules (in reverse order)
(set-current-module guile-user-module)
(process-use-modules
(append
'(((ice-9 r5rs))
((ice-9 session)))
(if (provided? 'regex)
'(((ice-9 regex)))
'())
(if (provided? 'threads)
'(((ice-9 threads)))
'())))
(call-with-sigint
(lambda ()
(and (defined? 'setlocale)
(catch 'system-error
(lambda ()
(setlocale LC_ALL ""))
(lambda (key subr fmt args errno)
(format (current-error-port)
"warning: failed to install locale: ~a~%"
(strerror (car errno))))))
(let ((status (start-repl (current-language))))
(run-hook exit-hook)
status)))))