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mescc: Scaffolding of Nyacc compile experiments.

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* scaffold/micro-mes.c: New file.
* scaffold/mini-mes.c: New file.
* GNUmakefile (mini-mes, micro-mes): New targets.
* .gitignore: Ignore them.
This commit is contained in:
Jan Nieuwenhuizen 2017-04-02 12:01:33 +02:00
parent eb3fed2a00
commit 8989dab8b0
4 changed files with 1003 additions and 0 deletions
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2
.gitignore vendored
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@ -13,6 +13,8 @@
/ChangeLog
/a.out
/mes
/micro-mes
/mini-mes
/module/mes/read-0.mo
/out
?

10
GNUmakefile
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@ -35,6 +35,16 @@ mes.o: math.c math.h math.i math.environment.i
mes.o: posix.c posix.h posix.i posix.environment.i
mes.o: reader.c reader.h reader.i reader.environment.i
mini-mes: doc/examples/mini-mes.c GNUmakefile
rm -f $@
gcc -nostdlib --std=gnu99 -m32 -g -o mini-mes '-DVERSION="0.4"' $<
chmod +x $@
micro-mes: doc/examples/micro-mes.c GNUmakefile
rm -f $@
gcc -nostdlib --std=gnu99 -m32 -o micro-mes '-DVERSION="0.4"' $<
chmod +x $@
clean:
rm -f mes mes.o *.environment.i *.symbols.i *.environment.h *.cat a.out

218
scaffold/micro-mes.c Normal file
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@ -0,0 +1,218 @@
/* -*-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/>.
*/
#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 long size_t;
void *malloc (size_t i);
int open (char const *s, int mode);
int read (int fd, int n);
void write (int fd, char const* s, int n);
#if __GNUC__
void
exit (int code)
{
asm (
"movl %0, %%ebx\n\t"
"movl $1, %%eax\n\t"
"int $0x80"
: // no outputs "=" (r)
: "" (code)
);
// not reached
exit (0);
}
int
open (char const *s, int mode)
{
//return syscall (SYS_open, s, mode);
return 0;
}
int
read (int fd, int n)
{
//syscall (SYS_read, 1, 1);
return 0;
}
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"
);
}
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);
}
#endif
#define EOF -1
#define STDIN 0
#define STDOUT 1
#define STDERR 2
//#include <stdio.h>
//#include <string.h>
//#include <stdlib.h>
int g_stdin;
#if __GNUC__
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
getc ()
{
return read (g_stdin, 1);
}
int
puts (char const* s)
{
write (STDOUT, s, strlen (s));
return 0;
}
int
eputs (char const* s)
{
write (STDERR, s, strlen (s));
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;
}
void
assert_fail (char* s)
{
eputs ("assert fail:");
eputs (s);
eputs ("\n");
*((int*)0) = 0;
}
#endif
#define assert(x) ((x) ? (void)0 : assert_fail(#x))
#define false 0
#define true 1
typedef int bool;
int
main (int argc, char *argv[])
{
puts ("Hello main!\n");
//eputs (itoa (123));
eputs ("\n");
puts ("Bye micro!!\n");
//assert(!"boo");
return 41;
}
#if __GNUC__
void
_start ()
{
puts ("Hello micro-mes!\n");
int r;
asm (
"push $0\n\t"
"push $0\n\t"
"call main\n\t"
"movl %%eax,%0\n\t"
: "=r" (r)
: //no inputs "" (&main)
);
exit (r);
}
#endif

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scaffold/mini-mes.c Normal file
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@ -0,0 +1,773 @@
/* -*-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/>.
*/
#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 long size_t;
void *malloc (size_t i);
int
open (char const *s, int mode)
{
//return syscall (SYS_open, s, mode);
return 0;
}
int
read (int fd, int n)
{
//syscall (SYS_read, 1, 1);
return 0;
}
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"
);
}
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
//#include <stdio.h>
//#include <string.h>
//#include <stdlib.h>
int g_stdin;
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
getc ()
{
return read (g_stdin, 1);
}
int
puts (char const* s)
{
write (STDOUT, s, strlen (s));
return 0;
}
int
eputs (char const* s)
{
write (STDERR, s, strlen (s));
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;
}
void
assert_fail (char* s)
{
eputs ("assert fail:");
eputs (s);
eputs ("\n");
*((int*)0) = 0;
}
#define assert(x) ((x) ? (void)0 : assert_fail(#x))
#define false 0
#define true 1
typedef int bool;
int ARENA_SIZE = 100000;
typedef int SCM;
enum type_t {CHAR, CLOSURE, CONTINUATION, FUNCTION, KEYWORD, MACRO, NUMBER, PAIR, REF, SPECIAL, STRING, SYMBOL, VALUES, VECTOR, BROKEN_HEART};
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;
union {
int value;
int function;
SCM cdr;
SCM closure;
SCM continuation;
SCM macro;
SCM vector;
int hits;
} NYACC2;
} scm;
scm scm_nil = {SPECIAL, "()"};
scm scm_f = {SPECIAL, "#f"};
scm scm_t = {SPECIAL, "#t"};
scm scm_dot = {SPECIAL, "."};
scm scm_arrow = {SPECIAL, "=>"};
scm scm_undefined = {SPECIAL, "*undefined*"};
scm scm_unspecified = {SPECIAL, "*unspecified*"};
scm scm_closure = {SPECIAL, "*closure*"};
scm scm_circular = {SPECIAL, "*circular*"};
scm scm_begin = {SPECIAL, "*begin*"};
//#include "mes.symbols.h"
#define cell_nil 1
#define cell_f 2
#define cell_t 3
#define cell_dot 4
#define cell_arrow 5
#define cell_undefined 6
#define cell_unspecified 7
#define cell_closure 8
#define cell_circular 9
#define cell_begin 10
#define cell_symbol_dot 11
#define cell_symbol_lambda 12
#define cell_symbol_begin 13
#define cell_symbol_if 14
#define cell_symbol_quote 15
#define cell_symbol_set_x 16
#if __GNUC__
bool g_debug = false;
#endif
int g_free = 0;
scm *g_cells;
//scm *g_news = 0;
SCM tmp;
SCM tmp_num;
SCM tmp_num2;
function_t functions[200];
int g_function = 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 make_cell (SCM type, SCM car, SCM cdr);
function_t fun_make_cell = {&make_cell, 3};
scm scm_make_cell = {FUNCTION, "make-cell", 0};
SCM cell_make_cell;
SCM cons (SCM x, SCM y);
function_t fun_cons = {&cons, 2};
scm scm_cons = {FUNCTION, "cons", 0};
SCM cell_cons;
SCM car (SCM x);
function_t fun_car = {&car, 1};
scm scm_car = {FUNCTION, "car", 0};
SCM cell_car;
SCM cdr (SCM x);
function_t fun_cdr = {&cdr, 1};
scm scm_cdr = {FUNCTION, "cdr", 0};
SCM cell_cdr;
// SCM eq_p (SCM x, SCM y);
// function_t fun_eq_p = {&eq_p, 2};
// scm scm_eq_p = {FUNCTION, "eq?", 0};
// SCM cell_eq_p;
#define TYPE(x) g_cells[x].type
#define CAR(x) g_cells[x].car
#define LENGTH(x) g_cells[x].length
#define STRING(x) g_cells[x].string
#define CDR(x) g_cells[x].cdr
#define VALUE(x) g_cells[x].value
#define VECTOR(x) g_cells[x].vector
#define MAKE_CHAR(n) make_cell (tmp_num_ (CHAR), 0, tmp_num2_ (n))
//#define MAKE_CONTINUATION(n) make_cell (tmp_num_ (CONTINUATION), n, g_stack)
//#define MAKE_NUMBER(n) make_cell (tmp_num_ (NUMBER), 0, tmp_num2_ (n))
//#define MAKE_REF(n) make_cell (tmp_num_ (REF), n, 0)
#define MAKE_STRING(x) make_cell (tmp_num_ (STRING), x, 0)
SCM
alloc (int n)
{
assert (g_free + n < ARENA_SIZE);
SCM x = g_free;
g_free += n;
return x;
}
SCM
make_cell (SCM type, SCM car, SCM cdr)
{
SCM x = alloc (1);
assert (TYPE (type) == NUMBER);
TYPE (x) = VALUE (type);
if (VALUE (type) == CHAR || VALUE (type) == NUMBER) {
if (car) CAR (x) = CAR (car);
if (cdr) CDR (x) = CDR (cdr);
} else if (VALUE (type) == FUNCTION) {
if (car) CAR (x) = car;
if (cdr) CDR (x) = CDR (cdr);
} else {
CAR (x) = car;
CDR (x) = cdr;
}
return x;
}
SCM
tmp_num_ (int x)
{
VALUE (tmp_num) = x;
return tmp_num;
}
SCM
tmp_num2_ (int x)
{
VALUE (tmp_num2) = x;
return tmp_num2;
}
SCM
cons (SCM x, SCM y)
{
VALUE (tmp_num) = PAIR;
return make_cell (tmp_num, x, y);
}
SCM
car (SCM x)
{
#if MES_MINI
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
assert("!car");
#else
if (TYPE (x) != PAIR) error (cell_symbol_not_a_pair, cons (x, cell_symbol_cdr));
#endif
return CDR (x);
}
// SCM
// eq_p (SCM x, SCM y)
// {
// return (x == y
// || ((TYPE (x) == KEYWORD && TYPE (y) == KEYWORD
// && STRING (x) == STRING (y)))
// || (TYPE (x) == CHAR && TYPE (y) == CHAR
// && VALUE (x) == VALUE (y))
// || (TYPE (x) == NUMBER && TYPE (y) == NUMBER
// && VALUE (x) == VALUE (y)))
// ? cell_t : cell_f;
// }
SCM
gc_push_frame ()
{
SCM frame = cons (r1, cons (r2, cons (r3, cons (r0, cell_nil))));
return g_stack = cons (frame, g_stack);
}
SCM
push_cc (SCM p1, SCM p2, SCM a, SCM c) ///((internal))
{
SCM x = r3;
r3 = c;
r2 = p2;
gc_push_frame ();
r1 = p1;
r0 = a;
r3 = x;
return cell_unspecified;
}
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;
}
SCM
mes_g_stack (SCM a) ///((internal))
{
r0 = a;
r1 = MAKE_CHAR (0);
r2 = MAKE_CHAR (0);
r3 = MAKE_CHAR (0);
g_stack = cons (cell_nil, cell_nil);
return r0;
}
// Environment setup
SCM
make_tmps (scm* cells)
{
tmp = g_free++;
cells[tmp].type = CHAR;
tmp_num = g_free++;
cells[tmp_num].type = NUMBER;
tmp_num2 = g_free++;
cells[tmp_num2].type = NUMBER;
}
SCM
make_symbol_ (SCM s)
{
VALUE (tmp_num) = SYMBOL;
SCM x = make_cell (tmp_num, s, 0);
g_symbols = cons (x, g_symbols);
return x;
}
SCM
make_symbol (SCM s)
{
#if MES_MINI
SCM x = 0;
#else
SCM x = lookup_symbol_ (s);
#endif
return x ? x : make_symbol_ (s);
}
SCM
cstring_to_list (char const* s)
{
SCM p = cell_nil;
int i = strlen (s);
while (i--)
p = cons (MAKE_CHAR (s[i]), p);
return p;
}
SCM
acons (SCM key, SCM value, SCM alist)
{
return cons (cons (key, value), alist);
}
// Jam Collector
SCM g_symbol_max;
SCM
gc_init_cells ()
{
g_cells = (scm *)malloc (2*ARENA_SIZE*sizeof(scm));
g_cells[0].type = VECTOR;
LENGTH (0) = 1000;
VECTOR (0) = 0;
g_cells++;
g_cells[0].type = CHAR;
VALUE (0) = 'c';
}
// INIT NEWS
SCM
mes_symbols () ///((internal))
{
gc_init_cells ();
// gc_init_news ();
#if __GNUC__ && 0
//#include "mes.symbols.i"
#else
g_free++;
g_cells[cell_nil] = scm_nil;
g_free++;
g_cells[cell_f] = scm_f;
g_free++;
g_cells[cell_t] = scm_t;
g_free++;
g_cells[cell_dot] = scm_dot;
g_free++;
g_cells[cell_arrow] = scm_arrow;
g_free++;
g_cells[cell_undefined] = scm_undefined;
g_free++;
g_cells[cell_unspecified] = scm_unspecified;
g_free++;
g_cells[cell_closure] = scm_closure;
g_free++;
g_cells[cell_circular] = scm_circular;
g_free++;
g_cells[cell_begin] = scm_begin;
#endif
g_symbol_max = g_free;
make_tmps (g_cells);
g_symbols = 0;
for (int i=1; i<g_symbol_max; i++)
g_symbols = cons (i, g_symbols);
SCM a = cell_nil;
#if __GNUC__ && 0
//#include "mes.symbol-names.i"
#else
g_cells[cell_nil].car = cstring_to_list (scm_nil.name);
g_cells[cell_f].car = cstring_to_list (scm_f.name);
g_cells[cell_t].car = cstring_to_list (scm_t.name);
g_cells[cell_dot].car = cstring_to_list (scm_dot.name);
g_cells[cell_arrow].car = cstring_to_list (scm_arrow.name);
g_cells[cell_undefined].car = cstring_to_list (scm_undefined.name);
g_cells[cell_unspecified].car = cstring_to_list (scm_unspecified.name);
g_cells[cell_closure].car = cstring_to_list (scm_closure.name);
g_cells[cell_circular].car = cstring_to_list (scm_circular.name);
g_cells[cell_begin].car = cstring_to_list (scm_begin.name);
#endif
// a = acons (cell_symbol_mes_version, MAKE_STRING (cstring_to_list (VERSION)), a);
// a = acons (cell_symbol_mes_prefix, MAKE_STRING (cstring_to_list (PREFIX)), a);
a = acons (cell_symbol_dot, cell_dot, a); //
a = acons (cell_symbol_begin, cell_begin, a);
a = acons (cell_closure, a, a);
// a = acons (cell_symbol_call_with_current_continuation, cell_call_with_current_continuation, a);
// a = acons (cell_symbol_sc_expand, cell_f, a);
return a;
}
SCM
mes_environment () ///((internal))
{
SCM a = mes_symbols ();
return mes_g_stack (a);
}
SCM
mes_builtins (SCM a)
{
#if __GNUC__ && 0 // FIXME: Nyacc
// #include "mes.i"
// #include "lib.i"
// #include "math.i"
// #include "posix.i"
// #include "reader.i"
// #include "lib.environment.i"
// #include "math.environment.i"
// #include "mes.environment.i"
// #include "posix.environment.i"
// #include "reader.environment.i"
#else
scm_make_cell.function = g_function;
functions[g_function++] = fun_make_cell;
cell_make_cell = g_free++;
g_cells[cell_make_cell] = scm_make_cell;
scm_cons.function = g_function;
functions[g_function++] = fun_cons;
cell_cons = g_free++;
g_cells[cell_cons] = scm_cons;
scm_car.function = g_function;
functions[g_function++] = fun_car;
cell_car = g_free++;
g_cells[cell_car] = scm_car;
scm_cdr.function = g_function;
functions[g_function++] = fun_cdr;
cell_cdr = g_free++;
g_cells[cell_cdr] = scm_cdr;
// scm_eq_p.function = g_function;
// functions[g_function++] = fun_eq_p;
// cell_eq_p = g_free++;
// g_cells[cell_eq_p] = scm_eq_p;
scm_make_cell.string = cstring_to_list (scm_make_cell.name);
g_cells[cell_make_cell].string = MAKE_STRING (scm_make_cell.string);
a = acons (make_symbol (scm_make_cell.string), cell_make_cell, a);
scm_cons.string = cstring_to_list (scm_cons.name);
g_cells[cell_cons].string = MAKE_STRING (scm_cons.string);
a = acons (make_symbol (scm_cons.string), cell_cons, a);
scm_car.string = cstring_to_list (scm_car.name);
g_cells[cell_car].string = MAKE_STRING (scm_car.string);
a = acons (make_symbol (scm_car.string), cell_car, a);
scm_cdr.string = cstring_to_list (scm_cdr.name);
g_cells[cell_cdr].string = MAKE_STRING (scm_cdr.string);
a = acons (make_symbol (scm_cdr.string), cell_cdr, a);
// scm_eq_p.string = cstring_to_list (scm_eq_p.name);
// g_cells[cell_eq_p].string = MAKE_STRING (scm_eq_p.string);
// a = acons (make_symbol (scm_eq_p.string), cell_eq_p, a);
#endif
return a;
}
int
getchar ()
{
return getc (g_stdin);
}
SCM
bload_env (SCM a) ///((internal))
{
g_stdin = open ("module/mes/read-0.mo", 0);
#if __GNUC__
//g_stdin = g_stdin ? g_stdin : fopen (PREFIX "module/mes/read-0.mo", "r");
#endif
char *p = (char*)g_cells;
assert (getchar () == 'M');
assert (getchar () == 'E');
assert (getchar () == 'S');
g_stack = getchar () << 8;
g_stack += getchar ();
int c = getchar ();
while (c != EOF)
{
*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);
return r2;
}
char const*
string_to_cstring (SCM s)
{
static char buf[1024];
char *p = buf;
s = STRING (s);
while (s != cell_nil)
{
*p++ = VALUE (car (s));
s = cdr (s);
}
*p = 0;
return buf;
}
SCM
stderr_ (SCM x)
{
//SCM write;
if (TYPE (x) == STRING)
eputs (string_to_cstring (x));
// else if ((write = assq_ref_cache (cell_symbol_write, r0)) != cell_undefined)
// apply (assq_ref_cache (cell_symbol_display, r0), cons (x, cons (MAKE_NUMBER (2), cell_nil)), r0);
else if (TYPE (x) == SPECIAL || TYPE (x) == STRING || TYPE (x) == SYMBOL)
eputs (string_to_cstring (x));
else if (TYPE (x) == NUMBER)
eputs (itoa (VALUE (x)));
else
eputs ("display: undefined\n");
return cell_unspecified;
}
int
main (int argc, char *argv[])
{
eputs (itoa (234));
eputs ("\n");
assert(!"boo");
return 33;
#if __GNUC__
//g_debug = 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");
if (argc > 1 && !strcmp (argv[1], "--version")) {eputs ("Mes ");return eputs (VERSION);};
g_stdin = STDIN;
r0 = mes_environment ();
#if MES_MINI
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 ();
#endif
push_cc (r2, cell_unspecified, r0, cell_unspecified);
// r3 = cell_vm_begin;
// r1 = eval_apply ();
stderr_ (r1);
eputs ("\n");
#if !MES_MINI
gc (g_stack);
#endif
#if __GNUC__
if (g_debug)
{
eputs ("\nstats: [");
eputs (itoa (g_free));
eputs ("]\n");
}
#endif
puts ("Hello mini-mes!\n");
return 0;
}
void
_start ()
{
/* main body of program: call main(), etc */
/* exit system call */
asm (
"movl $1,%eax;"
"xorl %ebx,%ebx;"
"int $0x80"
);
}