1 files changed, 81 insertions, 0 deletions
diff --git a/module/language/r5rs/expand.scm b/module/language/r5rs/expand.scm
new file mode 100644
index 000000000..c3a072044
--- /dev/null
+++ b/module/language/r5rs/expand.scm
@@ -0,0 +1,81 @@
+;;; R5RS syntax expander
+
+;; Copyright (C) 2001 Free Software Foundation, Inc.
+
+;; This program is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation; either version 2, or (at your option)
+;; any later version.
+;; 
+;; This program 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 General Public License for more details.
+;; 
+;; You should have received a copy of the GNU General Public License
+;; along with this program; see the file COPYING.  If not, write to
+;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
+
+;;; Code:
+
+(define-module (language r5rs expand)
+  :export (expand void
+	   identifier? free-identifier=? bound-identifier=?
+	   generate-temporaries datum->syntax-object syntax-object->datum))
+
+(define sc-expand #f)
+(define $sc-put-cte #f)
+(define $syntax-dispatch #f)
+(define syntax-rules #f)
+(define syntax-error #f)
+(define identifier? #f)
+(define free-identifier=? #f)
+(define bound-identifier=? #f)
+(define generate-temporaries #f)
+(define datum->syntax-object #f)
+(define syntax-object->datum #f)
+
+(define void (lambda () (if #f #f)))
+
+(define andmap
+  (lambda (f first . rest)
+    (or (null? first)
+	(if (null? rest)
+	    (let andmap ((first first))
+	      (let ((x (car first)) (first (cdr first)))
+		(if (null? first)
+		    (f x)
+		    (and (f x) (andmap first)))))
+	    (let andmap ((first first) (rest rest))
+	      (let ((x (car first))
+		    (xr (map car rest))
+		    (first (cdr first))
+		    (rest (map cdr rest)))
+		(if (null? first)
+		    (apply f (cons x xr))
+		    (and (apply f (cons x xr)) (andmap first rest)))))))))
+
+(define ormap
+  (lambda (proc list1)
+    (and (not (null? list1))
+	 (or (proc (car list1)) (ormap proc (cdr list1))))))
+
+(define putprop set-symbol-property!)
+(define getprop symbol-property)
+(define remprop symbol-property-remove!)
+
+(define syncase-module (current-module))
+(define guile-eval eval)
+(define (eval x)
+  (if (and (pair? x) (equal? (car x) "noexpand"))
+      (cdr x)
+      (guile-eval x syncase-module)))
+
+(define guile-error error)
+(define (error who format-string why what)
+  (guile-error why what))
+
+(load "psyntax.pp")
+
+(define expand sc-expand)