mes/scm.mes
Jan Nieuwenhuizen 1a565a9208 Leave pure LISP.
* GNUmakefile: New file.
* mes.c: Lots of work.
* mes.mes: New file, split-off from mes.scm.
(builtin, number): New function.
(apply): Use them.
* mes.test: New file.
* scm.mes: New file, split-off from mes.scm.
2016-07-09 13:04:20 +02:00

68 lines
1.8 KiB
Scheme
Executable file

#! /bin/sh
# -*-scheme-*-
exec ./mes "$@" < "$0"
!#
;;; Mes --- Maxwell Equations of Software
;;; Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org>
;;;
;;; This file is part of Mes.
;;;
;;; Mes 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.
;;;
;;; Mes 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 Mes. If not, see <http://www.gnu.org/licenses/>.
;; The Maxwell Equations of Software -- John McCarthy page 13
;; http://www.softwarepreservation.org/projects/LISP/book/LISP%201.5%20Programmers%20Manual.pdf
(display 'boo)
(newline)
;; (display '*a*:)
;; (display (eval '*a* '()))
;; (newline)
(define (+ x y) (- x (- 0 y)))
(display (+ 3 4))
(newline)
(define-macro (and x y)
(cond (x y)
(#t #f)))
(define-macro (or x y)
(cond (x x)
(#t y)))
(define (split-params bindings params)
(cond ((null bindings) params)
(#t (split-params (cdr bindings)
(append params (cons (caar bindings) '()))))))
(define (split-values bindings values)
(cond ((null bindings) values)
(#t (split-values (cdr bindings)
(append values (cdar bindings) '())))))
;; (define-macro (let bindings body)
;; (cons (cons 'lambda (cons (split-params bindings '()) body))
;; (split-values bindings '())))
(display 'and-0-1:)
(display (and 0 1))
(newline)
(display 'or-#f-1:)
(display (or #f 2))
(newline)