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3e02bf7259
* module/ice-9/safe-r5rs.scm: Define local versions of `case' and `cond' that assume aux syntax is unbound. If this doesn't work, we can switch to exporting aux syntax. * module/ice-9/top-repl.scm (top-repl): Don't add (ice-9 r5rs) to the REPL environment.
76 lines
2.6 KiB
Scheme
76 lines
2.6 KiB
Scheme
;;; -*- mode: scheme; coding: utf-8; -*-
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;;;; Copyright (C) 1995-2011,2013,2019 Free Software Foundation, Inc.
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;;;;
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;;;; This library is free software; you can redistribute it and/or
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;;;; modify it under the terms of the GNU Lesser General Public
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;;;; License as published by the Free Software Foundation; either
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;;;; version 3 of the License, or (at your option) any later version.
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;;;;
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;;;; This library is distributed in the hope that it will be useful,
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;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;;;; Lesser General Public License for more details.
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;;;;
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;;;; You should have received a copy of the GNU Lesser General Public
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;;;; License along with this library; if not, write to the Free Software
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;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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;;;;
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(define-module (ice-9 top-repl)
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#:use-module (ice-9 top-repl)
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#:use-module ((system repl repl) #:select (start-repl))
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;; #:replace, as with deprecated code enabled these will be in the root env
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#:replace (top-repl))
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(define call-with-sigint
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(if (not (provided? 'posix))
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(lambda (thunk) (thunk))
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(lambda (thunk)
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(let ((handler #f))
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(dynamic-wind
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(lambda ()
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(set! handler
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(sigaction SIGINT
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(lambda (sig)
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(scm-error 'signal #f "User interrupt" '()
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(list sig))))))
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thunk
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(lambda ()
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(if handler
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;; restore Scheme handler, SIG_IGN or SIG_DFL.
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(sigaction SIGINT (car handler) (cdr handler))
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;; restore original C handler.
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(sigaction SIGINT #f))))))))
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(define (top-repl)
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(let ((guile-user-module (resolve-module '(guile-user))))
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;; Use some convenient modules (in reverse order)
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(set-current-module guile-user-module)
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(process-use-modules
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(append
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'(((ice-9 session)))
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(if (provided? 'regex)
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'(((ice-9 regex)))
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'())
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(if (provided? 'threads)
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'(((ice-9 threads)))
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'())))
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(call-with-sigint
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(lambda ()
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(and (defined? 'setlocale)
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(catch 'system-error
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(lambda ()
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(setlocale LC_ALL ""))
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(lambda (key subr fmt args errno)
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(format (current-error-port)
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"warning: failed to install locale: ~a~%"
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(strerror (car errno))))))
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(let ((status (start-repl (current-language))))
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(run-hook exit-hook)
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status)))))
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