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+;;; eval.scm --- The R6RS `eval' library
+
+;; 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
+
+
+(library (rnrs eval (6))
+ (export eval environment)
+ (import (only (guile) eval
+ make-module
+ module-uses
+ beautify-user-module!
+ set-module-uses!)
+ (rnrs base (6))
+ (rnrs io simple (6))
+ (rnrs lists (6)))
+
+ (define (environment . import-specs)
+ (let ((module (make-module))
+ (needs-purify? (not (member '(guile) import-specs))))
+ (beautify-user-module! module)
+ (for-each (lambda (import-spec) (eval (list 'import import-spec) module))
+ import-specs)
+ (if needs-purify? (set-module-uses! module (cdr (module-uses module))))
+ module))
+)