1 ;;; GNU Mes --- Maxwell Equations of Software
2 ;;; Copyright © 2016,2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
4 ;;; This file is part of GNU Mes.
6 ;;; GNU Mes is free software; you can redistribute it and/or modify it
7 ;;; under the terms of the GNU General Public License as published by
8 ;;; the Free Software Foundation; either version 3 of the License, or (at
9 ;;; your option) any later version.
11 ;;; GNU Mes is distributed in the hope that it will be useful, but
12 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
13 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 ;;; GNU General Public License for more details.
16 ;;; You should have received a copy of the GNU General Public License
17 ;;; along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
19 (define-module (mes misc)
20 #:use-module (srfi srfi-1)
33 (define %scheme "mes"))
35 (define %scheme "guile")))
37 (define guile? (equal? %scheme "guile"))
38 (define mes? (equal? %scheme "mes"))
40 (define (logf port string . rest)
41 (apply format (cons* port string rest))
45 (define (stderr string . rest)
46 (apply logf (cons* (current-error-port) string rest)))
53 (car (last-pair stuff)))
56 (display "\n" (current-error-port))
57 (newline (current-error-port))
58 (display ";;; " (current-error-port))
59 (write stuff (current-error-port))
60 (display "\n" (current-error-port))
61 (car (last-pair stuff)))
65 (define (disjoin . predicates)
67 (any (lambda (o) (apply o arguments)) predicates)))
69 (define (string-substitute string find replace)
70 (let ((index (string-contains string find)))
71 (if (not index) string
73 (string-take string index)
76 (string-drop string (+ index (string-length find)))