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guile/module/language/r5rs/spec.scm
Neil Jerram 53befeb700 Change Guile license to LGPLv3+
(Not quite finished, the following will be done tomorrow.
   module/srfi/*.scm
   module/rnrs/*.scm
   module/scripts/*.scm
   testsuite/*.scm
   guile-readline/*
)
2009-06-17 00:22:09 +01:00

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;;; Guile R5RS
;; Copyright (C) 2001 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
;;; Code:
(define-module (language r5rs spec)
#:use-module (system base language)
#:use-module (language r5rs expand)
#:use-module (language r5rs translate)
#:export (r5rs))
;;;
;;; Translator
;;;
(define (translate x) (if (pair? x) (translate-pair x) x))
(define (translate-pair x)
(let ((head (car x)) (rest (cdr x)))
(case head
((quote) (cons '@quote rest))
((define set! if and or begin)
(cons (symbol-append '@ head) (map translate rest)))
((let let* letrec)
(cons* (symbol-append '@ head)
(map (lambda (b) (cons (car b) (map translate (cdr b))))
(car rest))
(map translate (cdr rest))))
((lambda)
(cons* '@lambda (car rest) (map translate (cdr rest))))
(else
(cons (translate head) (map translate rest))))))
;;;
;;; Language definition
;;;
(define-language r5rs
#:title "Standard Scheme (R5RS + syntax-case)"
#:version "0.3"
#:reader read
#:expander expand
#:translator translate
#:printer write
;; #:environment (global-ref 'Language::R5RS::core)
)