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Diffstat (limited to 'module/ice-9/safe.scm')
-rw-r--r-- | module/ice-9/safe.scm | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/module/ice-9/safe.scm b/module/ice-9/safe.scm new file mode 100644 index 000000000..1ce8f9ed9 --- /dev/null +++ b/module/ice-9/safe.scm @@ -0,0 +1,34 @@ +;;;; Copyright (C) 2000, 2001, 2006 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 +;;;; + +;;;; Safe subset of R5RS bindings + +(define-module (ice-9 safe) + :export (safe-environment make-safe-module)) + +(define safe-r5rs-interface (resolve-interface '(ice-9 safe-r5rs))) + +(define (safe-environment n) + (if (not (= n 5)) + (scm-error 'misc-error 'safe-environment + "~A is not a valid version" + (list n) + '())) + safe-r5rs-interface) + +(define (make-safe-module) + (make-module 1021 (list safe-r5rs-interface))) |