mes/scaffold/micro-mes.c
Jan Nieuwenhuizen 4e12e14b85 mescc: Refactor libc.
* GNUmakefile (mini-mes): Add include.
* mlibc.c: New file: libc bits for GNUC -nostdlib.
* mstart.c: New file: _start for GNUC -nostdlib.
* scaffold/cons-mes.c: Remove GNUC libc bits.
* scaffold/m.c: Likewise.
* scaffold/mini-mes.c: Likewise.
* scaffold/t.c: Likewise.
* scaffold/tiny-mes.c: Litkewise.
* module/language/c99/compiler.mes (libc, i386:libc): Remove.
* module/language/c99/compiler.scm
* module/mes/libc-i386.mes: Remove assembly bits.
  (_start): New function.
* module/mes/libc-i386.scm: Export it, remove assembly exports.
* module/mes/as-i386.mes: New file: assembly bits from libc-i386.mes.
* module/mes/as-i386.scm: New file: export them.
* module/mes/libc.mes (libc,_start): New functions from compiler.mes.
* module/mes/libc.scm: Export them.
2017-04-02 12:29:09 +02:00

116 lines
2.4 KiB
C

/* -*-comment-start: "//";comment-end:""-*-
* Mes --- Maxwell Equations of Software
* Copyright © 2016,2017 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/>.
*/
#if __GNUC__
#include "mlibc.c"
#endif
#define assert(x) ((x) ? (void)0 : assert_fail(#x))
#define MES_MINI 1
#if __GNUC__
#define __NYACC__ 0
#define NYACC
#define NYACC2
#else
#define __NYACC__ 1
#define NYACC nyacc
#define NYACC2 nyacc2
#endif
typedef int SCM;
#if __GNUC__
int g_debug = 0;
#endif
int g_free = 0;
SCM g_symbols = 0;
SCM g_stack = 0;
SCM r0 = 0; // a/env
SCM r1 = 0; // param 1
SCM r2 = 0; // save 2+load/dump
SCM r3 = 0; // continuation
SCM
mes_environment ()
{
return 0;
}
SCM
bload_env (SCM a) ///((internal))
{
eputs ("bload_env\n");
return 0;
}
int
main (int argc, char *argv[])
{
#if __GNUC__
g_debug = (int)getenv ("MES_DEBUG");
#endif
//if (getenv ("MES_ARENA")) ARENA_SIZE = atoi (getenv ("MES_ARENA"));
if (argc > 1 && !strcmp (argv[1], "--help")) return eputs ("Usage: mes [--dump|--load] < FILE\n");
if (argc > 1 && !strcmp (argv[1], "--version")) {eputs ("Mes ");eputs (VERSION);return eputs ("\n");};
#if __GNUC__
g_stdin = STDIN;
r0 = mes_environment ();
#endif
#if MES_MINI
puts ("Hello micro-mes!\n");
SCM program = bload_env (r0);
#else
SCM program = (argc > 1 && !strcmp (argv[1], "--load"))
? bload_env (r0) : load_env (r0);
if (argc > 1 && !strcmp (argv[1], "--dump")) return dump ();
push_cc (r2, cell_unspecified, r0, cell_unspecified);
r3 = cell_vm_begin;
r1 = eval_apply ();
stderr_ (r1);
eputs ("\n");
gc (g_stack);
#endif
int i = argc;
//int i = strcmp (argv[1], "1");
return i;
#if __GNUC__
if (g_debug)
{
eputs ("\nstats: [");
eputs (itoa (g_free));
eputs ("]\n");
}
#endif
return 0;
}
#if __GNUC__
#include "mstart.c"
#endif