71 lines
2.0 KiB
Scheme
71 lines
2.0 KiB
Scheme
;;; GNU Mes --- Maxwell Equations of Software
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;;; Copyright © 2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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;;;
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;;; This file is part of GNU Mes.
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;;;
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;;; GNU Mes is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Mes is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
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;; boot-00.scm
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(define mes %version)
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(define (defined? x)
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(module-variable (current-module) x))
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(define (cond-expand-expander clauses)
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(if (defined? (car (car clauses)))
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(cdr (car clauses))
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(cond-expand-expander (cdr clauses))))
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(define-macro (cond-expand . clauses)
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(cons 'begin (cond-expand-expander clauses)))
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;; end boot-00.scm
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;; boot-01.scm
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(define (not x) (if x #f #t))
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(define (display x . rest)
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(if (null? rest) (core:display x)
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(core:display-port x (car rest))))
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(define (write x . rest)
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(if (null? rest) (core:write x)
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(core:write-port x (car rest))))
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(define (newline . rest)
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(core:display "\n"))
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(define (cadr x) (car (cdr x)))
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(define (map1 f lst)
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(if (null? lst) (list)
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(cons (f (car lst)) (map1 f (cdr lst)))))
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(define map map1)
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(define (cons* . rest)
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(if (null? (cdr rest)) (car rest)
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(cons (car rest) (core:apply cons* (cdr rest) (current-module)))))
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(define (apply f h . t)
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(if (null? t) (core:apply f h (current-module))
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(apply f (apply cons* (cons h t)))))
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(define (append . rest)
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(if (null? rest) '()
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(if (null? (cdr rest)) (car rest)
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(append2 (car rest) (apply append (cdr rest))))))
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;; end boot-01.scm
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(primitive-load 0)
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