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Diffstat (limited to 'module/rnrs/eval.scm')
-rw-r--r-- | module/rnrs/eval.scm | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/module/rnrs/eval.scm b/module/rnrs/eval.scm new file mode 100644 index 000000000..d58f87768 --- /dev/null +++ b/module/rnrs/eval.scm @@ -0,0 +1,39 @@ +;;; 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)) +) |