27247383d7
* mes.c (define, define-macro): Move to define.c * define.c: New file. * GNUmakefile (mes.o): Depend on define snarf output.
52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
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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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* 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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*/
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#if !BOOT
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scm *
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define (scm *x, scm *a)
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{
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scm *e;
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scm *name = cadr (x);
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if (name->type != PAIR)
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e = builtin_eval (caddr (x), cons (cons (cadr (x), cadr (x)), a));
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else {
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name = car (name);
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scm *p = pairlis (cadr (x), cadr (x), a);
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e = builtin_eval (make_lambda (cdadr (x), cddr (x)), p);
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}
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if (eq_p (car (x), &symbol_define_macro) == &scm_t)
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e = make_macro (name, e);
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scm *entry = cons (name, e);
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scm *aa = cons (entry, &scm_nil);
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set_cdr_x (aa, cdr (a));
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set_cdr_x (a, aa);
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scm *cl = assq (&scm_closure, a);
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set_cdr_x (cl, aa);
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return entry;
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}
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#else // BOOT
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scm*define (scm *x, scm *a){}
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#endif
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scm *
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define_macro (scm *x, scm *a)
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{
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}
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