163 lines
3.0 KiB
C
163 lines
3.0 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
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* GNU Mes --- Maxwell Equations of Software
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* Copyright © 2017 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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*/
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#include <mes/lib.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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struct scm
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{
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int type;
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int car;
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int cdr;
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};
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int bla = 1234;
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char g_arena[84];
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struct scm *g_cells = (struct scm *) g_arena;
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char *g_chars = g_arena;
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int
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foo ()
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{
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oputs ("t: foo\n");
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return 0;
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};
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int
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bar (int i)
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{
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oputs ("t: bar\n");
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return 0;
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};
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struct function
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{
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int (*function) (void);
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int arity;
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char *name;
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};
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struct function g_fun = { &exit, 1, "fun" };
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struct function g_foo = { &foo, 0, "foo" };
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struct function g_bar = { &bar, 1, "bar" };
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//void *functions[2];
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int functions[2];
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struct function g_functions[2];
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int g_function = 0;
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enum type_t
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{ TCHAR, TCLOSURE, TCONTINUATION, TFUNCTION, TKEYWORD, TMACRO, TNUMBER, TPAIR, TREF, TSPECIAL, TSTRING,
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TSYMBOL, TVALUES, TVECTOR, TBROKEN_HEART };
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typedef int SCM;
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int g_free = 3;
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SCM tmp;
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SCM tmp_num;
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int ARENA_SIZE = 200;
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#define TYPE(x) g_cells[x].type
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#define CAR(x) g_cells[x].car
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#define CDR(x) g_cells[x].cdr
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#define VALUE(x) g_cells[x].cdr
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#define CAAR(x) CAR (CAR (x))
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struct scm scm_fun = { TFUNCTION, 0, 0 };
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SCM cell_fun;
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SCM
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alloc (int n)
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{
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oputs ("040\n");
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SCM x = g_free;
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g_free += n;
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return x;
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}
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SCM
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make_cell (SCM type, SCM car, SCM cdr)
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{
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oputs ("030\n");
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SCM x = alloc (1);
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TYPE (x) = VALUE (type);
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if (VALUE (type) == TCHAR || VALUE (type) == TNUMBER)
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{
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if (car)
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CAR (x) = CAR (car);
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if (cdr)
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CDR (x) = CDR (cdr);
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}
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else if (VALUE (type) == TFUNCTION)
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{
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if (car)
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CAR (x) = car;
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if (cdr)
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CDR (x) = CDR (cdr);
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}
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else
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{
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CAR (x) = car;
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CDR (x) = cdr;
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}
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return x;
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}
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SCM
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make_cell_test ()
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{
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oputs ("010\n");
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VALUE (tmp_num) = TPAIR;
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oputs ("011\n");
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make_cell (tmp_num, 0, 1);
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oputs ("012\n");
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return 0;
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}
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SCM
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make_tmps_test (struct scm * cells)
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{
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oputs ("t: tmp = g_free++\n");
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tmp = g_free++;
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oputs ("t: cells[tmp].type = CHAR\n");
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cells[tmp].type = TCHAR;
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oputs ("000\n");
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tmp_num = g_free++;
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oputs ("001\n");
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cells[tmp_num].type = TNUMBER;
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oputs ("002\n");
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return 0;
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}
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int
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main ()
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{
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oputs ("\n");
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make_tmps_test (g_cells);
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make_cell_test ();
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oputs ("020\n");
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return 0;
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}
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