mes/src/lib.c

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/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2016,2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
*
* This file is part of GNU Mes.
*
* GNU 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.
*
* GNU 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 GNU Mes. If not, see <http://www.gnu.org/licenses/>.
*/
/** Commentary:
Scheme library functions not used by the eval/apply core.
*/
/** Code: */
build: Simplify. core: Make mes src/ c files separate compilation units. * include/mes/constants.h: New file. * include/mes/macros.h: New file. * include/mes/mes.h: New file. * src/gc.c: Update. * src/hash.c: Update. * src/lib.c: Update. * src/math.c: Update. * src/mes.c: Update. * src/module.c: Update. * src/posix.c: Update. * src/reader.c: Update. * src/string.c: Update. * src/struct.c: Update. * src/vector.c: Update. mes: Update datadir. * src/mes.c (g_datadir): New global. (open_boot): Rename from read_boot. (read_boot): New function. * mes/module/mes/boot-0.scm: Move from boot-0.scm.in * configure: Update. * configure.sh: Update. mescc: Create libraries from separate files. * .gitignore: Update. * build-aux/bootstrap-mes.sh: Remove. * build-aux/bootstrap.sh.in: Remove. * build-aux/build-guile.sh: Update. * build-aux/build-mes.sh: Update. * build-aux/build-scaffold.sh: New file. * build-aux/build.sh.in: Update. * build-aux/cc.sh: Update. * build-aux/check-tcc.sh: Remove. * build-aux/config.sh.in: New file. * build-aux/config.sh: Remove. * build-aux/install.sh.in: Update. * build-aux/test-boot.sh: New file. * build-aux/test-c.sh: New file. * build-aux/test-driver: New file. * build-aux/test-suite.sh: New file. * build-aux/trace.sh: Update. * build-aux/uninstall.sh.in: Update. * configure: Update. * configure.sh: Update. * lib/linux/x86-mes-mescc/crt1.c: Move from lib/linux/x86-mes. * lib/linux/x86-mes-mescc/mini.c: Likewise. * lib/linux/x86_64-mes-mescc/crt1.c: Move from lib/linux/x86_64-mes. * lib/linux/x86_64-mes-mescc/mini.c: Likewise. * lib/linux/x86-mes-gcc/syscall.c: Rename from mes.c. * lib/linux/x86-mes-mescc/syscall.c: Likewise. * lib/linux/x86_64-mes-gcc/syscall.c: Likewise. * lib/linux/x86_64-mes-mescc/syscall.c: Likewise. * lib/mes/mes_open.c: Include config.h. * lib/tests/stdio/70-printf-hello.c: Likewise. * lib/tests/stdio/70-printf-simple.c: Likewise. * scaffold/gc-test.sh: New file. * simple.sh: Update.
2019-06-08 13:36:22 +00:00
#include "mes/lib.h"
#include "mes/mes.h"
#include <stdlib.h>
struct scm *
type_ (struct scm *x)
{
return make_number (x->type);
}
struct scm *
car_ (struct scm *x)
{
struct scm *a = x->car;
if (x->type == TPAIR)
return a;
return make_number (cast_scmp_to_long (a));
}
struct scm *
cdr_ (struct scm *x)
{
struct scm *d = x->cdr;
if (x->type == TPAIR || x->type == TCLOSURE)
return d;
return make_number (cast_scmp_to_long (d));
}
struct scm *
xassq (struct scm *x, struct scm *a) /* For speed in core. */
{
while (a != cell_nil)
{
if (x == a->car->cdr)
return a->car;
a = a->cdr;
}
return cell_f;
}
struct scm *
memq (struct scm *x, struct scm *a)
{
int t = x->type;
if (t == TCHAR || t == TNUMBER)
{
long v = x->value;
while (a != cell_nil)
{
if (v == a->car->value)
return a;
a = a->cdr;
}
return cell_f;
}
if (t == TKEYWORD)
{
while (a != cell_nil)
{
if (a->car->type == TKEYWORD)
if (string_equal_p (x, a->car) == cell_t)
return a;
a = a->cdr;
}
return cell_f;
}
while (a != cell_nil)
{
if (x == a->car)
return a;
a = a->cdr;
}
return cell_f;
}
struct scm *
equal2_p (struct scm *a, struct scm *b)
{
equal2:
if (a == b)
return cell_t;
if (a->type == TPAIR && b->type == TPAIR)
{
if (equal2_p (a->car, b->car) == cell_t)
{
a = a->cdr;
b = b->cdr;
goto equal2;
}
return cell_f;
}
if (a->type == TSTRING && b->type == TSTRING)
return string_equal_p (a, b);
if (a->type == TVECTOR && b->type == TVECTOR)
{
if (a->length != b->length)
return cell_f;
long i;
for (i = 0; i < a->length; i = i + 1)
{
struct scm *ai = cell_ref (a->vector, i);
struct scm *bi = cell_ref (b->vector, i);
if (ai->type == TREF)
ai = ai->ref;
if (bi->type == TREF)
bi = bi->ref;
if (equal2_p (ai, bi) == cell_f)
return cell_f;
}
return cell_t;
}
return eq_p (a, b);
}
struct scm *
last_pair (struct scm *x)
{
while (x != cell_nil)
{
if (x->cdr == cell_nil)
return x;
x = x->cdr;
}
return x;
}
struct scm *
pair_p (struct scm *x)
{
if (x->type == TPAIR)
return cell_t;
return cell_f;
}
struct scm *
char_to_integer (struct scm *x)
{
return make_number (x->value);
}
struct scm *
integer_to_char (struct scm *x)
{
return make_char (x->value);
}