1 ;;;; Copyright (C) 2000, 2001 Free Software Foundation, Inc.
3 ;;;; This program is free software; you can redistribute it and/or modify
4 ;;;; it under the terms of the GNU General Public License as published by
5 ;;;; the Free Software Foundation; either version 2, or (at your option)
6 ;;;; any later version.
8 ;;;; This program is distributed in the hope that it will be useful,
9 ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
10 ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 ;;;; GNU General Public License for more details.
13 ;;;; You should have received a copy of the GNU General Public License
14 ;;;; along with this software; see the file COPYING. If not, write to
15 ;;;; the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
16 ;;;; Boston, MA 02111-1307 USA
18 ;;;; As a special exception, the Free Software Foundation gives permission
19 ;;;; for additional uses of the text contained in its release of GUILE.
21 ;;;; The exception is that, if you link the GUILE library with other files
22 ;;;; to produce an executable, this does not by itself cause the
23 ;;;; resulting executable to be covered by the GNU General Public License.
24 ;;;; Your use of that executable is in no way restricted on account of
25 ;;;; linking the GUILE library code into it.
27 ;;;; This exception does not however invalidate any other reasons why
28 ;;;; the executable file might be covered by the GNU General Public License.
30 ;;;; This exception applies only to the code released by the
31 ;;;; Free Software Foundation under the name GUILE. If you copy
32 ;;;; code from other Free Software Foundation releases into a copy of
33 ;;;; GUILE, as the General Public License permits, the exception does
34 ;;;; not apply to the code that you add in this way. To avoid misleading
35 ;;;; anyone as to the status of such modified files, you must delete
36 ;;;; this exception notice from them.
38 ;;;; If you write modifications of your own for GUILE, it is your choice
39 ;;;; whether to permit this exception to apply to your modifications.
40 ;;;; If you do not wish that, delete this exception notice.
43 ;;;; Safe subset of R5RS bindings
45 (define-module (ice-9 safe-r5rs)
46 :re-export (eqv? eq? equal?
47 number? complex? real? rational? integer?
50 zero? positive? negative? odd? even?
54 quotient remainder modulo
56 ;;numerator denominator XXX
58 floor ceiling truncate round
59 exp log sin cos tan asin acos atan
62 make-rectangular make-polar real-part imag-part magnitude angle
63 exact->inexact inexact->exact
65 number->string string->number
74 caaar caadr cadar caddr cdaar cdadr cddar cdddr
75 caaaar caaadr caadar caaddr cadaar cadadr caddar cadddr
76 cdaaar cdaadr cdadar cdaddr cddaar cddadr cdddar cddddr
88 symbol->string string->symbol
91 char=? char<? char>? char<=? char>=?
92 char-ci=? char-ci<? char-ci>? char-ci<=? char-ci>=?
93 char-alphabetic? char-numeric? char-whitespace?
94 char-upper-case? char-lower-case?
95 char->integer integer->char
103 string-ref string-set!
105 string<? string>? string<=? string>=?
106 string-ci<? string-ci>? string-ci<=? string-ci>=?
110 string->list list->string
111 string-copy string-fill!
117 vector-ref vector-set!
118 vector->list list->vector
127 call-with-current-continuation
135 input-port? output-port?
136 current-input-port current-output-port
153 :export (null-environment))
155 (define null-interface (resolve-interface '(ice-9 null)))
157 (module-use! %module-public-interface null-interface)
159 (define (null-environment n)
161 (scm-error 'misc-error 'null-environment
162 "~A is not a valid version"
165 ;; Note that we need to create a *fresh* interface
166 (let ((interface (make-module 31)))
167 (set-module-kind! interface 'interface)
168 (module-use! interface null-interface)