335 lines
6.1 KiB
Scheme
335 lines
6.1 KiB
Scheme
;;; -*-scheme-*-
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;;; Mes --- Maxwell Equations of Software
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;;; Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org>
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;;;
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;;; test.mes: This file is part of Mes.
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;;;
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;;; 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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;;; 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 Mes. If not, see <http://www.gnu.org/licenses/>.
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;; The Maxwell Equations of Software -- John McCarthy page 13
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;; http://www.softwarepreservation.org/projects/LISP/book/LISP%201.5%20Programmers%20Manual.pdf
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(display 123)
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4
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(newline)
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(cons (display 'one-) (display 'two))
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(newline)
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(display 'hello-display-symbol)
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(newline)
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(display '(0 1 2))
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(newline)
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(display (- 12 3))
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(newline)
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(display (+ 3 4))
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(newline)
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(display "(and): ")
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(display (and))
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(newline)
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(display "(and 1): ")
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(display (and 1))
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(newline)
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(display "(and 1 (= 0 1)): ")
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(display (and 1 (= 0 1)))
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(newline)
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(display "(or): ")
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(display (or))
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(newline)
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(display "(or 1): ")
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(display (or 1))
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(newline)
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(display "(or #f (= 0 1) 3): ")
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(display (or #f (= 0 1) 3))
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(newline)
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(display (or (= 0 1) #f (and (display "YEAH") (newline) 'woet)))
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(newline)
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(let ((p 5)
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(q 6))
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(display 'let-p:3-q:4)
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(newline)
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(display 'p:)
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(display p)
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(newline)
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(display 'q:)
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(display q)
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(newline))
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(display
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(let ((p 5)
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(q 6))
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(display 'hallo)
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(display p)
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(display 'daar)
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(display q)
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(display 'dan)))
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(newline)
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(display 'let-dun)
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(newline)
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(let loop ((lst '(3 2 1)))
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(display "loop")
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(newline)
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(if (null? lst) (begin (display "dun") 'dun)
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(begin
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(display "looping: ")
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(display (car lst))
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(newline)
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(loop (cdr lst)))))
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(newline)
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(define c 'b)
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`(aa bb ,c)
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(display `(pp qq ,c))
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(newline)
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(display
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(let* ((aa 2)
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(bb (+ aa 3))
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#! boo !#
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;;(bb 4)
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)
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(display 'allo:)
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bb))
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(newline)
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(display 'let*-dun)
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(newline)
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(map display '(1 2 3 4))
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(newline)
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(map (lambda (x) (display x) (newline)) '(5 6 7 8))
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(newline)
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(map (lambda (i a) (display i) (display ':) (display a) (newline)) '(1 2 3 4) '(a b c d))
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(newline)
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(define a 0)
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(display 'a=0:)
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(display a)
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(newline)
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(display "set!")
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(display (set! a 1))
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(set! a 1)
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(display 'a=1:)
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(display a)
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(newline)
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(display
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((lambda (x)
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(display 'x:)
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(display x)
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(newline)
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(display 'setting-x=2)
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(newline)
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(set! x 2)
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(display 'x:)
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(display x)
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(newline))
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1))
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(display (+ 11 12))
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(newline)
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(display (* 3 3))
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(newline)
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(display (/ 9 3))
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(newline)
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(display (= 3 '3))
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(newline)
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(display (if #t 'true))
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(newline)
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(display (if (eq? 0 '0) 'true 'false))
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(newline)
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(display (if (= 1 2) 'true 'false))
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(newline)
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(display 'factorial4=)
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(display
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(letrec ((factorial (lambda (n)
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;; (display 'factorial:)
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;; (display n)
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;; (newline)
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(if (= n 1) 1
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(* n (factorial (- n 1)))))))
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(factorial 4)))
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(newline)
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(define a 2)
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(begin
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(display 'a+3=)
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(display (+ a 3)))
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(newline)
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" a b c"
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(display "string me")
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(newline)
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(display (string-append "a" "b" "c"))
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(newline)
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(display (string-length (string-append "a" "b" "c")))
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(newline)
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#\m
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(display #\m)
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(newline)
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(display #\101)
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(newline)
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(display #\newline)
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(newline)
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(display #\space)
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(newline)
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(display (string #\a #\space #\s #\t #\r #\i #\n #\g #\newline))
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(newline)
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(display "length of nil: ")
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(display (length '()))
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(newline)
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(display "length of '(a b c): ")
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(display (length '(a b c)))
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(newline)
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#(a b c)
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(display #(0 1 2))
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(newline)
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(define v #("a" "b" "c"))
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(display "vector?: ")
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(display (vector? v))
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(newline)
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(display "length of ")
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(display v)
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(display ": ")
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(display (vector-length v))
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(newline)
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(display "as list: ")
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(define lv (vector->list v))
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(display lv)
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(newline)
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(display "again as vector: ")
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(display (list->vector lv))
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(newline)
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(display "(vector 0 1 2): ")
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(display (vector 0 1 2))
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(newline)
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(display "v[1]: ")
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(display (vector-ref v 1))
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(newline)
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(display "v[1]=q: ")
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(vector-set! v 1 'q)
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(display v)
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(newline)
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(display "memq a: ")
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(display (memq 'a '(a b c)))
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(newline)
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(display "memq b: ")
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(display (memq 'b '(a b c)))
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(newline)
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(display "memq c: ")
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(display (memq 'c '(a b c)))
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(newline)
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(display "memq d: ")
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(display (memq 'd '(a b c)))
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(newline)
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(display "plus: ")
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(display (+ 1 1 1 1))
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(newline)
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;; works, but debugging is foo
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;; (cond ((defined? 'loop2)
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;; (display "mes:values broken after loop2")
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;; (newline))
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;; (#t
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;; (values 0 1)
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;; (display "(values 0 1): ")
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;; (display (values 0 1))
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;; (newline)
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;; (display "call-with-values ==> 6: ")
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;; (display
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;; (call-with-values (lambda () (values 1 2 3))
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;; (lambda (a b c) (+ a b c))))
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;; (newline)
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;; (display "call-with-values ==> 1: ")
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;; (display ((lambda (x) x) (values 1 2 3)))
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;; (newline)))
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(display "(procedure? builtin?: ")
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(display (procedure? builtin?))
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(newline)
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(display "(procedure? procedure?): ")
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(display (procedure? procedure?))
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(newline)
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(define *gensym* 0)
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(define (gensym)
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(set! *gensym* (+ *gensym* 1))
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(string->symbol (string-append "g" (number->string *gensym*))))
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(display (gensym))
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(newline)
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(display (gensym))
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(newline)
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(display (gensym))
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(newline)
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(display "unquote:")
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(display `,(list 1 2 3 4))
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(newline)
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(display `('boo ,@'(bah baz) 1 2))
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(newline)
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(display "splice:")
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(display `(1 ,@(list 2 3) 4))
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(newline)
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(define s-r '(2 3))
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(display "splice:")
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(display `(1 ,@s-r 4))
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(newline)
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(display "`(1 2 '(,(+ 1 2))): ")
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(display `(1 2 '(,(+ 1 2))))
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(newline)
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(display "when:")
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(when #t
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(display "true")
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(newline))
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(when #f
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(display "must not see")
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(newline))
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'()
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