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/*
* Copyright © 2016 Keith Packard <keithp@keithp.com>
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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.
*/
#include "ao_scheme.h"
void
ao_scheme_int_write(ao_poly p)
{
int i = ao_scheme_poly_int(p);
printf("%d", i);
}
#ifdef AO_SCHEME_FEATURE_BIGINT
int32_t
ao_scheme_poly_integer(ao_poly p)
{
switch (ao_scheme_poly_base_type(p)) {
case AO_SCHEME_INT:
return ao_scheme_poly_int(p);
case AO_SCHEME_OTHER:
if (ao_scheme_other_type(ao_scheme_poly_other(p)) == AO_SCHEME_BIGINT)
return ao_scheme_bigint_int(ao_scheme_poly_bigint(p)->value);
}
return AO_SCHEME_NOT_INTEGER;
}
ao_poly
ao_scheme_integer_poly(int32_t p)
{
struct ao_scheme_bigint *bi;
if (AO_SCHEME_MIN_INT <= p && p <= AO_SCHEME_MAX_INT)
return ao_scheme_int_poly(p);
bi = ao_scheme_alloc(sizeof (struct ao_scheme_bigint));
bi->value = ao_scheme_int_bigint(p);
return ao_scheme_bigint_poly(bi);
}
static void bigint_mark(void *addr)
{
(void) addr;
}
static int bigint_size(void *addr)
{
if (!addr)
return 0;
return sizeof (struct ao_scheme_bigint);
}
static void bigint_move(void *addr)
{
(void) addr;
}
const struct ao_scheme_type ao_scheme_bigint_type = {
.mark = bigint_mark,
.size = bigint_size,
.move = bigint_move,
.name = "bigint",
};
void
ao_scheme_bigint_write(ao_poly p)
{
struct ao_scheme_bigint *bi = ao_scheme_poly_bigint(p);
printf("%d", ao_scheme_bigint_int(bi->value));
}
#endif /* AO_SCHEME_FEATURE_BIGINT */
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