mescc: Add open/read C-tests.
* scaffold/m.c: New file. * scaffold/tiny-mes.c: New file. * GNUmakefile (m, tiny-mes): New targets. * scaffold/micro-mes.c: Update gcc-libc bits. * scaffold/mini-mes.c: Likewise.
This commit is contained in:
Jan Nieuwenhuizen
parent
c3eacb58df
commit
6ffca4bf61
11
GNUmakefile
11
GNUmakefile
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@ -110,6 +110,17 @@ mini-mes: scaffold/mini-mes.c GNUmakefile
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gcc -nostdlib --std=gnu99 -m32 -g -o $@ '-DVERSION="0.4"' $<
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chmod +x $@
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tiny-mes: scaffold/tiny-mes.c GNUmakefile
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rm -f $@
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gcc -nostdlib --std=gnu99 -m32 -g -o $@ '-DVERSION="0.4"' $<
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chmod +x $@
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m: scaffold/m.c GNUmakefile
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rm -f $@
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gcc -nostdlib --std=gnu99 -m32 -g -o $@ '-DVERSION="0.4"' $<
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# gcc --std=gnu99 -g -o $@ '-DVERSION="0.4"' $<
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chmod +x $@
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micro-mes: scaffold/micro-mes.c GNUmakefile
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rm -f $@
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gcc -nostdlib --std=gnu99 -m32 -o $@ '-DVERSION="0.4"' $<
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165
scaffold/m.c
Normal file
165
scaffold/m.c
Normal file
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@ -0,0 +1,165 @@
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/* -*-comment-start: "//";comment-end:""-*-
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* Mes --- Maxwell Equations of Software
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* Copyright © 2016,2017 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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int g_stdin = 0;
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typedef long size_t;
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#if __GNUC__
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void
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exit (int code)
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{
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asm (
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"movl %0,%%ebx\n\t"
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"movl $1,%%eax\n\t"
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"int $0x80"
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: // no outputs "=" (r)
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: "" (code)
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);
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// not reached
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exit (0);
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}
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int
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read (int fd, void* buf, size_t n)
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{
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int r;
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//syscall (SYS_write, fd, s, n));
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asm (
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"movl %1,%%ebx\n\t"
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"movl %2,%%ecx\n\t"
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"movl %3,%%edx\n\t"
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"movl $0x3,%%eax\n\t"
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"int $0x80\n\t"
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"mov %%eax,%0\n\t"
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: "=r" (r)
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: "" (fd), "" (buf), "" (n)
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: "eax", "ebx", "ecx", "edx"
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);
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return r;
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}
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int
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open (char const *s, int mode)
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{
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int r;
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//syscall (SYS_open, mode));
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asm (
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"mov %1,%%ebx\n\t"
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"mov %2,%%ecx\n\t"
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"mov $0x5,%%eax\n\t"
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"int $0x80\n\t"
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"mov %%eax,%0\n\t"
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: "=r" (r)
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: "" (s), "" (mode)
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: "eax", "ebx", "ecx"
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);
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return r;
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}
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int
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getchar ()
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{
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char c;
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int r = read (g_stdin, &c, 1);
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if (r < 1) return -1;
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return c;
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}
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void
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write (int fd, char const* s, int n)
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{
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int r;
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//syscall (SYS_write, fd, s, n));
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asm (
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"mov %0,%%ebx\n\t"
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"mov %1,%%ecx\n\t"
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"mov %2,%%edx\n\t"
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"mov $0x4, %%eax\n\t"
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"int $0x80\n\t"
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: // no outputs "=" (r)
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: "" (fd), "" (s), "" (n)
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: "eax", "ebx", "ecx", "edx"
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);
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}
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int
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putchar (int c)
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{
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//write (STDOUT, s, strlen (s));
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//int i = write (STDOUT, s, strlen (s));
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write (1, (char*)&c, 1);
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return 0;
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}
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size_t
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strlen (char const* s)
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{
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int i = 0;
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while (s[i]) i++;
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return i;
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}
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int
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puts (char const* s)
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{
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//write (STDOUT, s, strlen (s));
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//int i = write (STDOUT, s, strlen (s));
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int i = strlen (s);
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write (1, s, i);
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return 0;
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}
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#endif
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int
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main (int argc, char *argv[])
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{
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g_stdin = open ("mesmes", 0);
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int c = getchar ();
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while (c != -1) {
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putchar (c);
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c = getchar ();
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}
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return c;
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}
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#if __GNUC__
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void
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_start ()
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{
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int r;
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asm (
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"mov %%ebp,%%eax\n\t"
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"addl $8,%%eax\n\t"
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"push %%eax\n\t"
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"mov %%ebp,%%eax\n\t"
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"addl $4,%%eax\n\t"
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"movzbl (%%eax),%%eax\n\t"
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"push %%eax\n\t"
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"call main\n\t"
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"movl %%eax,%0\n\t"
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: "=r" (r)
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: //no inputs "" (&main)
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);
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exit (r);
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}
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#endif
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@ -133,7 +133,7 @@ strcmp (char const* a, char const* b)
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}
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int
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getc ()
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getchar ()
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{
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return read (g_stdin, 1);
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}
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@ -37,6 +37,33 @@ void *malloc (size_t i);
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#if __GNUC__
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// #define __NR_restart_syscall 0
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// #define __NR_exit 1
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// #define __NR_fork 2
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// #define __NR_read 3
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// #define __NR_write 4
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// #define __NR_open 5
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void
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exit (int code)
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{
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asm (
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"movl %0,%%ebx\n\t"
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"movl $1,%%eax\n\t"
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"int $0x80"
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: // no outputs "=" (r)
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: "" (code)
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);
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// not reached
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exit (0);
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}
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char const*
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getenv (char const* p)
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{
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return 0;
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}
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int
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open (char const *s, int mode)
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{
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@ -57,9 +84,9 @@ write (int fd, char const* s, int n)
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int r;
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//syscall (SYS_write, fd, s, n));
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asm (
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"mov %0, %%ebx\n\t"
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"mov %1, %%ecx\n\t"
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"mov %2, %%edx\n\t"
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"mov %0,%%ebx\n\t"
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"mov %1,%%ecx\n\t"
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"mov %2,%%edx\n\t"
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"mov $0x4, %%eax\n\t"
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"int $0x80\n\t"
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@ -67,7 +94,6 @@ write (int fd, char const* s, int n)
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: "" (fd), "" (s), "" (n)
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: "eax", "ebx", "ecx", "edx"
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);
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}
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void *
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@ -115,7 +141,7 @@ strcmp (char const* a, char const* b)
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}
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int
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getc ()
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getchar ()
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{
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return read (g_stdin, 1);
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}
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@ -123,14 +149,20 @@ getc ()
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int
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puts (char const* s)
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{
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write (STDOUT, s, strlen (s));
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//write (STDOUT, s, strlen (s));
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//int i = write (STDOUT, s, strlen (s));
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int i = strlen (s);
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write (1, s, i);
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return 0;
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}
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int
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eputs (char const* s)
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{
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write (STDERR, s, strlen (s));
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//write (STDERR, s, strlen (s));
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//int i = write (STDERR, s, strlen (s));
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int i = strlen (s);
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write (2, s, i);
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return 0;
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}
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@ -649,12 +681,6 @@ a = acons (make_symbol (scm_cdr.string), cell_cdr, a);
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return a;
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}
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int
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getchar ()
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{
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return getc (g_stdin);
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}
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SCM
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bload_env (SCM a) ///((internal))
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{
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|
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469
scaffold/tiny-mes.c
Normal file
469
scaffold/tiny-mes.c
Normal file
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@ -0,0 +1,469 @@
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/* -*-comment-start: "//";comment-end:""-*-
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* Mes --- Maxwell Equations of Software
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* Copyright © 2016,2017 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
|
||||
* 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
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* along with Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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#define MES_MINI 1
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#if __GNUC__
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#define FIXME_NYACC 1
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#define __NYACC__ 0
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#define NYACC_CAR
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#define NYACC_CDR
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#else
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#define __NYACC__ 1
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#define NYACC_CAR nyacc_car
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#define NYACC_CDR nyacc_cdr
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#endif
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int g_stdin = 0;
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#if __GNUC__
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typedef long size_t;
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void *malloc (size_t i);
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int open (char const *s, int mode);
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int read (int fd, void* buf, size_t n);
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void write (int fd, char const* s, int n);
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void
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exit (int code)
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{
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asm (
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"movl %0,%%ebx\n\t"
|
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"movl $1,%%eax\n\t"
|
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"int $0x80"
|
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: // no outputs "=" (r)
|
||||
: "" (code)
|
||||
);
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||||
// not reached
|
||||
exit (0);
|
||||
}
|
||||
|
||||
char const*
|
||||
getenv (char const* p)
|
||||
{
|
||||
return 0;
|
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}
|
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|
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int
|
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read (int fd, void* buf, size_t n)
|
||||
{
|
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int r;
|
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//syscall (SYS_write, fd, s, n));
|
||||
asm (
|
||||
"movl %1,%%ebx\n\t"
|
||||
"movl %2,%%ecx\n\t"
|
||||
"movl %3,%%edx\n\t"
|
||||
"movl $0x3,%%eax\n\t"
|
||||
"int $0x80\n\t"
|
||||
"mov %%eax,%0\n\t"
|
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: "=r" (r)
|
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: "" (fd), "" (buf), "" (n)
|
||||
: "eax", "ebx", "ecx", "edx"
|
||||
);
|
||||
return r;
|
||||
}
|
||||
|
||||
int
|
||||
open (char const *s, int mode)
|
||||
{
|
||||
int r;
|
||||
//syscall (SYS_open, mode));
|
||||
asm (
|
||||
"mov %1,%%ebx\n\t"
|
||||
"mov %2,%%ecx\n\t"
|
||||
"mov $0x5,%%eax\n\t"
|
||||
"int $0x80\n\t"
|
||||
"mov %%eax,%0\n\t"
|
||||
: "=r" (r)
|
||||
: "" (s), "" (mode)
|
||||
: "eax", "ebx", "ecx"
|
||||
);
|
||||
return r;
|
||||
}
|
||||
|
||||
int
|
||||
getchar ()
|
||||
{
|
||||
char c;
|
||||
int r = read (g_stdin, &c, 1);
|
||||
if (r < 1) return -1;
|
||||
return c;
|
||||
}
|
||||
|
||||
void
|
||||
write (int fd, char const* s, int n)
|
||||
{
|
||||
int r;
|
||||
//syscall (SYS_write, fd, s, n));
|
||||
asm (
|
||||
"mov %0,%%ebx\n\t"
|
||||
"mov %1,%%ecx\n\t"
|
||||
"mov %2,%%edx\n\t"
|
||||
|
||||
"mov $0x4, %%eax\n\t"
|
||||
"int $0x80\n\t"
|
||||
: // no outputs "=" (r)
|
||||
: "" (fd), "" (s), "" (n)
|
||||
: "eax", "ebx", "ecx", "edx"
|
||||
);
|
||||
}
|
||||
|
||||
int
|
||||
putchar (int c)
|
||||
{
|
||||
//write (STDOUT, s, strlen (s));
|
||||
//int i = write (STDOUT, s, strlen (s));
|
||||
write (1, (char*)&c, 1);
|
||||
return 0;
|
||||
}
|
||||
|
||||
void *
|
||||
malloc (size_t size)
|
||||
{
|
||||
int *n;
|
||||
int len = size + sizeof (size);
|
||||
//n = mmap (0, len, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0 );
|
||||
*n = len;
|
||||
return (void*)(n+1);
|
||||
}
|
||||
|
||||
void
|
||||
free (void *p)
|
||||
{
|
||||
int *n = (int*)p-1;
|
||||
//munmap ((void*)p, *n);
|
||||
}
|
||||
|
||||
#define EOF -1
|
||||
#define STDIN 0
|
||||
#define STDOUT 1
|
||||
#define STDERR 2
|
||||
|
||||
size_t
|
||||
strlen (char const* s)
|
||||
{
|
||||
int i = 0;
|
||||
while (s[i]) i++;
|
||||
return i;
|
||||
}
|
||||
|
||||
int
|
||||
strcmp (char const* a, char const* b)
|
||||
{
|
||||
while (*a && *b && *a == *b) {a++;b++;}
|
||||
return *a - *b;
|
||||
}
|
||||
|
||||
int
|
||||
puts (char const* s)
|
||||
{
|
||||
//write (STDOUT, s, strlen (s));
|
||||
//int i = write (STDOUT, s, strlen (s));
|
||||
int i = strlen (s);
|
||||
write (1, s, i);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
eputs (char const* s)
|
||||
{
|
||||
//write (STDERR, s, strlen (s));
|
||||
//int i = write (STDERR, s, strlen (s));
|
||||
int i = strlen (s);
|
||||
write (2, s, i);
|
||||
return 0;
|
||||
}
|
||||
|
||||
char const*
|
||||
itoa (int x)
|
||||
{
|
||||
static char buf[10];
|
||||
char *p = buf+9;
|
||||
*p-- = 0;
|
||||
|
||||
int sign = x < 0;
|
||||
if (sign)
|
||||
x = -x;
|
||||
|
||||
do
|
||||
{
|
||||
*p-- = '0' + (x % 10);
|
||||
x = x / 10;
|
||||
} while (x);
|
||||
|
||||
if (sign)
|
||||
*p-- = '-';
|
||||
|
||||
return p+1;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
void
|
||||
assert_fail (char* s)
|
||||
{
|
||||
eputs ("assert fail:");
|
||||
eputs (s);
|
||||
eputs ("\n");
|
||||
*((int*)0) = 0;
|
||||
}
|
||||
|
||||
#if __GNUC__
|
||||
#define assert(x) ((x) ? (void)0 : assert_fail ("boo:" #x))
|
||||
#else
|
||||
//#define assert(x) ((x) ? (void)0 : assert_fail ("boo:" #x))
|
||||
#define assert(x) ((x) ? (void)0 : assert_fail (0))
|
||||
#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
|
||||
|
||||
typedef int SCM;
|
||||
#if __NYACC__ || FIXME_NYACC
|
||||
enum type_t {CHAR, CLOSURE, CONTINUATION, FUNCTION, KEYWORD, MACRO, NUMBER, PAIR, REF, SPECIAL, TSTRING, SYMBOL, VALUES, TVECTOR, BROKEN_HEART};
|
||||
#else
|
||||
enum type_t {CHAR, CLOSURE, CONTINUATION, FUNCTION, KEYWORD, MACRO, NUMBER, PAIR, REF, SPECIAL, STRING, SYMBOL, VALUES, VECTOR, BROKEN_HEART};
|
||||
#endif
|
||||
typedef SCM (*function0_t) (void);
|
||||
typedef SCM (*function1_t) (SCM);
|
||||
typedef SCM (*function2_t) (SCM, SCM);
|
||||
typedef SCM (*function3_t) (SCM, SCM, SCM);
|
||||
typedef SCM (*functionn_t) (SCM);
|
||||
typedef struct function_struct {
|
||||
union {
|
||||
function0_t function0;
|
||||
function1_t function1;
|
||||
function2_t function2;
|
||||
function3_t function3;
|
||||
functionn_t functionn;
|
||||
} data;
|
||||
int arity;
|
||||
} function_t;
|
||||
struct scm;
|
||||
|
||||
typedef struct scm_struct {
|
||||
enum type_t type;
|
||||
union {
|
||||
char const *name;
|
||||
SCM string;
|
||||
SCM car;
|
||||
SCM ref;
|
||||
int length;
|
||||
} NYACC_CAR;
|
||||
union {
|
||||
int value;
|
||||
int function;
|
||||
SCM cdr;
|
||||
SCM closure;
|
||||
SCM continuation;
|
||||
SCM macro;
|
||||
SCM vector;
|
||||
int hits;
|
||||
} NYACC_CDR;
|
||||
} scm;
|
||||
|
||||
char arena[200000];
|
||||
scm *g_cells = (scm*)arena;
|
||||
|
||||
#define CAR(x) g_cells[x].car
|
||||
|
||||
#define CDR(x) g_cells[x].cdr
|
||||
|
||||
SCM
|
||||
car (SCM x)
|
||||
{
|
||||
#if MES_MINI
|
||||
//Nyacc
|
||||
//assert ("!car");
|
||||
#else
|
||||
if (TYPE (x) != PAIR) error (cell_symbol_not_a_pair, cons (x, cell_symbol_car));
|
||||
#endif
|
||||
return CAR (x);
|
||||
}
|
||||
|
||||
SCM
|
||||
cdr (SCM x)
|
||||
{
|
||||
#if MES_MINI
|
||||
//Nyacc
|
||||
//assert ("!cdr");
|
||||
#else
|
||||
if (TYPE (x) != PAIR) error (cell_symbol_not_a_pair, cons (x, cell_symbol_cdr));
|
||||
#endif
|
||||
return CDR(x);
|
||||
}
|
||||
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
|
||||
gc_peek_frame ()
|
||||
{
|
||||
SCM frame = car (g_stack);
|
||||
r1 = car (frame);
|
||||
r2 = cadr (frame);
|
||||
r3 = car (cddr (frame));
|
||||
r0 = cadr (cddr (frame));
|
||||
return frame;
|
||||
}
|
||||
|
||||
// Environment setup
|
||||
|
||||
SCM
|
||||
mes_environment ()
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
SCM
|
||||
mes_builtins (SCM a)
|
||||
{
|
||||
return a;
|
||||
}
|
||||
|
||||
SCM
|
||||
bload_env (SCM a) ///((internal))
|
||||
{
|
||||
puts ("bload_env\n");
|
||||
g_stdin = open ("module/mes/read-0.mo", 0);
|
||||
if (g_stdin < 0) {eputs ("no such file: module/mes/read-0.mo\n");return 1;}
|
||||
#if __GNUC__
|
||||
puts ("fd: ");
|
||||
puts (itoa (g_stdin));
|
||||
puts ("\n");
|
||||
//g_stdin = g_stdin ? g_stdin : fopen (PREFIX "module/mes/read-0.mo", "r");
|
||||
#endif
|
||||
char *p = (char*)g_cells;
|
||||
|
||||
// int x;
|
||||
// x = getchar ();
|
||||
// if (x == 'M') puts ("M");
|
||||
// x = getchar ();
|
||||
// if (x == 'E') puts ("E");
|
||||
// x = getchar ();
|
||||
// if (x == 'S') puts ("S");
|
||||
|
||||
assert (getchar () == 'M');
|
||||
assert (getchar () == 'E');
|
||||
assert (getchar () == 'S');
|
||||
puts ("GOT MES\n");
|
||||
g_stack = getchar () << 8;
|
||||
g_stack += getchar ();
|
||||
int c = getchar ();
|
||||
while (c != -1)
|
||||
{
|
||||
*p++ = c;
|
||||
c = getchar ();
|
||||
}
|
||||
g_free = (p-(char*)g_cells) / sizeof (scm);
|
||||
gc_peek_frame ();
|
||||
g_symbols = r1;
|
||||
g_stdin = STDIN;
|
||||
r0 = mes_builtins (r0);
|
||||
|
||||
#if __GNUC__
|
||||
puts ("cells read: ");
|
||||
puts (itoa (g_free));
|
||||
puts ("\n");
|
||||
#endif
|
||||
return r2;
|
||||
}
|
||||
|
||||
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 (argc > 1 && !strcmp (argv[1], "--help")) return eputs ("Usage: mes [--dump|--load] < FILE\n");
|
||||
|
||||
|
||||
#if __GNUC__
|
||||
g_stdin = STDIN;
|
||||
r0 = mes_environment ();
|
||||
#endif
|
||||
|
||||
#if MES_MINI
|
||||
puts ("Hello tiny-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
|
||||
#if __GNUC__
|
||||
if (g_debug)
|
||||
{
|
||||
eputs ("\nstats: [");
|
||||
eputs (itoa (g_free));
|
||||
eputs ("]\n");
|
||||
}
|
||||
#endif
|
||||
return 0;
|
||||
}
|
||||
|
||||
#if __GNUC__
|
||||
void
|
||||
_start ()
|
||||
{
|
||||
int r;
|
||||
asm (
|
||||
"mov %%ebp,%%eax\n\t"
|
||||
"addl $8,%%eax\n\t"
|
||||
"push %%eax\n\t"
|
||||
|
||||
"mov %%ebp,%%eax\n\t"
|
||||
"addl $4,%%eax\n\t"
|
||||
"movzbl (%%eax),%%eax\n\t"
|
||||
"push %%eax\n\t"
|
||||
|
||||
"call main\n\t"
|
||||
"movl %%eax,%0\n\t"
|
||||
: "=r" (r)
|
||||
: //no inputs "" (&main)
|
||||
);
|
||||
exit (r);
|
||||
}
|
||||
#endif
|
||||
Loading…
Reference in a new issue