3 ;;; Copyright 2007 Free Software Foundation, Inc.
5 ;;; This file is part of GNU Radio
7 ;;; GNU Radio is free software; you can redistribute it and/or modify
8 ;;; it under the terms of the GNU General Public License as published by
9 ;;; the Free Software Foundation; either version 3, or (at your option)
10 ;;; any later version.
12 ;;; GNU Radio is distributed in the hope that it will be useful,
13 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
14 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 ;;; GNU General Public License for more details.
17 ;;; You should have received a copy of the GNU General Public License along
18 ;;; with this program; if not, write to the Free Software Foundation, Inc.,
19 ;;; 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22 (define-module (gnuradio macros-etc)
23 :export (atom? when unless for-each-in-file))
28 (defmacro when (pred . body)
29 `(if ,pred (begin ,@body) #f))
31 (defmacro unless (pred . body)
32 `(if (not ,pred) (begin ,@body) #f))
35 (define (for-each-in-file file f)
36 (let ((port (if (port? file)
38 (open-input-file file))))
42 (cond ((eof-object? form)
43 (when (not (eq? port file))
44 (close-input-port port))
48 (set! form #f) ; for GC
49 (loop port (read port)))))))
50 (loop port (read port)))))