/usr/share/lilypond/2.16.2/scm/safe-utility-defs.scm is in lilypond-data 2.16.2-3.
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The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 | ;;;; This file is part of LilyPond, the GNU music typesetter.
;;;;
;;;; Copyright (C) 1998--2012 Jan Nieuwenhuizen <janneke@gnu.org>
;;;; Han-Wen Nienhuys <hanwen@xs4all.nl>
;;;;
;;;; LilyPond 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 3 of the License, or
;;;; (at your option) any later version.
;;;;
;;;; LilyPond 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 LilyPond. If not, see <http://www.gnu.org/licenses/>.
;;;
;;; Author Ian Hulin
;;; Date 16 October 2011
;;;
(define-module (scm safe-utility-defs)
#:use-module (ice-9 optargs)
#:export (safe-objects)
#:export-syntax (define-safe-public)
#:re-export-syntax (define*-public))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Safe definitions utility
(define safe-objects
(list))
(define (get-symbol arg)
(if (pair? arg)
(get-symbol (car arg))
arg))
(define-macro (define-safe-public arglist . body)
"Define a variable, export it, and mark it as safe, i.e. usable in
LilyPond safe mode. The syntax is the same as `define*-public'."
(let ((safe-symbol (get-symbol arglist)))
`(begin
(define*-public ,arglist
,@body)
(set! safe-objects (cons (cons ',safe-symbol ,safe-symbol)
safe-objects))
,safe-symbol)))
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