40 lines
1.4 KiB
Scheme
40 lines
1.4 KiB
Scheme
;;; eval.scm --- The R6RS `eval' library
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;; Copyright (C) 2010 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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(library (rnrs eval (6))
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(export eval environment)
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(import (only (guile) eval
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make-module
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module-uses
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beautify-user-module!
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set-module-uses!)
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(rnrs base (6))
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(rnrs io simple (6))
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(rnrs lists (6)))
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(define (environment . import-specs)
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(let ((module (make-module))
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(needs-purify? (not (member '(guile) import-specs))))
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(beautify-user-module! module)
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(for-each (lambda (import-spec) (eval (list 'import import-spec) module))
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import-specs)
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(if needs-purify? (set-module-uses! module (cdr (module-uses module))))
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module))
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)
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