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Diffstat (limited to 'share')
| -rw-r--r-- | share/txr/stdlib/pmac.tl | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/share/txr/stdlib/pmac.tl b/share/txr/stdlib/pmac.tl new file mode 100644 index 00000000..1a93d21e --- /dev/null +++ b/share/txr/stdlib/pmac.tl @@ -0,0 +1,34 @@ +;; Copyright 2017 +;; Kaz Kylheku <kaz@kylheku.com> +;; Vancouver, Canada +;; All rights reserved. +;; +;; Redistribution and use in source and binary forms, with or without +;; modification, are permitted provided that the following conditions are met: +;; +;; 1. Redistributions of source code must retain the above copyright notice, this +;; list of conditions and the following disclaimer. +;; +;; 2. Redistributions in binary form must reproduce the above copyright notice, +;; this list of conditions and the following disclaimer in the documentation +;; and/or other materials provided with the distribution. +;; +;; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +;; ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +;; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +;; DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE +;; FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +;; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +;; SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +;; CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +;; OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +;; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +(defmacro define-param-expander (keyword + (parms body : (env (gensym)) (form (gensym))) + . forms) + ^(progn + (set [*param-macro* ,keyword] + (lambda (,parms ,body ,env ,form) + ,*forms)) + ,keyword)) |