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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1999 by Sun Microsystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcode/private.h>
#define DIGIT(x) (((x) > 9) ? ((x) + 'a' - 10) : ((x) + '0'))
void
to_digit(fcode_env_t *env)
{
CHECK_DEPTH(env, 1, ">digit");
TOS = DIGIT(TOS);
}
void
pic_hold(fcode_env_t *env)
{
CHECK_DEPTH(env, 1, "hold");
*(--env->picturebufpos) = (char) POP(DS);
}
void
pic_start(fcode_env_t *env)
{
env->picturebufpos = env->picturebuf + env->picturebuflen - 1;
*env->picturebufpos = 0;
}
void
pic_ustop(fcode_env_t *env)
{
CHECK_DEPTH(env, 1, "u#>");
(void) POP(DS);
push_string(env, env->picturebufpos, strlen(env->picturebufpos));
}
void
pic_unsigned(fcode_env_t *env)
{
ufstack_t a, b;
CHECK_DEPTH(env, 1, "u#");
a = (ufstack_t) TOS;
b = a % env->num_base;
TOS = (fstack_t) (a / env->num_base);
*(--env->picturebufpos) = DIGIT(b);
}
void
pic_sign(fcode_env_t *env)
{
fstack_t s;
CHECK_DEPTH(env, 1, "sign");
s = POP(DS);
if (s < 0) {
PUSH(DS, '-');
pic_hold(env);
}
}
static void
pic_uremainder(fcode_env_t *env)
{
CHECK_DEPTH(env, 1, "u#s");
do {
pic_unsigned(env);
} while (TOS);
}
void
format_number(fcode_env_t *env, int neg, int width)
{
pic_start(env);
if (width == 0) {
PUSH(DS, ' ');
pic_hold(env);
}
pic_uremainder(env);
if (env->num_base == 10 && neg) {
PUSH(DS, '-');
pic_hold(env);
}
width -= strlen(env->picturebufpos);
while (width > 0) {
PUSH(DS, ' ');
pic_hold(env);
width--;
}
pic_ustop(env);
}
static void
convert_num(fcode_env_t *env)
{
int n;
CHECK_DEPTH(env, 1, "(.)");
n = 0;
if (env->num_base == 10 && TOS < 0) {
TOS = -TOS;
n = 1;
}
format_number(env, n, 0);
}
void
do_dot_r(fcode_env_t *env)
{
int w, n;
CHECK_DEPTH(env, 2, ".r");
n = 0;
w = (int) POP(DS);
if (env->num_base == 10 && TOS < 0) {
TOS = -TOS;
n = 1;
}
format_number(env, n, w);
type(env);
}
void
do_udot_r(fcode_env_t *env)
{
int w;
CHECK_DEPTH(env, 2, "u.r");
w = (int) POP(DS);
format_number(env, 0, w);
type(env);
}
void
do_dot(fcode_env_t *env)
{
CHECK_DEPTH(env, 1, ".");
PUSH(DS, 0);
do_dot_r(env);
}
void
do_dot_d(fcode_env_t *env)
{
int base;
CHECK_DEPTH(env, 1, ".d");
base = env->num_base;
env->num_base = 10;
do_dot(env);
env->num_base = base;
}
void
do_dot_x(fcode_env_t *env)
{
int base;
CHECK_DEPTH(env, 1, ".x");
base = env->num_base;
env->num_base = 16;
do_dot(env);
env->num_base = base;
}
void
do_udot(fcode_env_t *env)
{
CHECK_DEPTH(env, 1, "u.");
PUSH(DS, 0);
do_udot_r(env);
}
void
pic_dunsigned(fcode_env_t *env)
{
ufstack_t b;
u_dforth_t a;
CHECK_DEPTH(env, 2, "#");
a = pop_double(env);
b = a % env->num_base;
a /= env->num_base;
push_double(env, a);
*(--env->picturebufpos) = DIGIT(b);
}
void
pic_dremainder(fcode_env_t *env)
{
CHECK_DEPTH(env, 2, "#s");
do {
pic_dunsigned(env);
} while (peek_double(env));
}
void
pic_dstop(fcode_env_t *env)
{
CHECK_DEPTH(env, 2, "#>");
(void) pop_double(env);
push_string(env, env->picturebufpos, strlen(env->picturebufpos));
}
#pragma init(_init)
static void
_init(void)
{
fcode_env_t *env = initial_env;
ASSERT(env);
NOTICE;
env->picturebuflen = 0x100;
env->picturebuf = MALLOC(env->picturebuflen);
ANSI(0x095, 0, "hold", pic_hold);
ANSI(0x096, 0, "<#", pic_start);
ANSI(0x097, 0, "u#>", pic_ustop);
ANSI(0x098, 0, "sign", pic_sign);
ANSI(0x099, 0, "u#", pic_unsigned);
ANSI(0x09a, 0, "u#s", pic_uremainder);
ANSI(0x09b, 0, "u.", do_udot);
P1275(0x09c, 0, "u.r", do_udot_r);
P1275(0x09d, 0, ".", do_dot);
ANSI(0x09e, 0, ".r", do_dot_r);
ANSI(0x0c7, 0, "#", pic_dunsigned);
ANSI(0x0c8, 0, "#s", pic_dremainder);
ANSI(0x0c9, 0, "#>", pic_dstop);
FORTH(0, ">digit", to_digit);
FORTH(0, "(.)", convert_num);
FORTH(0, ".d", do_dot_d);
FORTH(0, ".x", do_dot_x);
}
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