mes/lib.c
Jan Nieuwenhuizen e8a591f91d Add exit.
* lib.c (exit_): Rename from builtin_exit.
* module/mes/scm.mes (list): Remove.
2016-12-23 20:31:45 +01:00

58 lines
1.6 KiB
C

/* -*-comment-start: "//";comment-end:""-*-
* 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/>.
*/
SCM caar (SCM x) {return car (car (x));}
SCM cadr (SCM x) {return car (cdr (x));}
SCM cdar (SCM x) {return cdr (car (x));}
SCM cddr (SCM x) {return cdr (cdr (x));}
SCM caaar (SCM x) {return car (car (car (x)));}
SCM caadr (SCM x) {return car (car (cdr (x)));}
SCM caddr (SCM x) {return car (cdr (cdr (x)));}
SCM cdadr (SCM x) {return cdr (car (cdr (x)));}
SCM cadar (SCM x) {return car (cdr (car (x)));}
SCM cddar (SCM x) {return cdr (cdr (car (x)));}
SCM cdddr (SCM x) {return cdr (cdr (cdr (x)));}
SCM cadddr (SCM x) {return car (cdr (cdr (cdr (x))));}
SCM
length (SCM x)
{
int n = 0;
while (x != cell_nil)
{
n++;
x = cdr (x);
}
return MAKE_NUMBER (n);
}
SCM
list (SCM x) ///((arity . n))
{
return x;
}
SCM
exit_ (SCM x) ///((name . "exit"))
{
assert (TYPE (x) == NUMBER);
exit (VALUE (x));
}