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Kaydet (Commit) 62cb0baf authored tarafından Guido van Rossum's avatar Guido van Rossum
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Moved to ../Modules.

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/***********************************************************
Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
The Netherlands.
All Rights Reserved
Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation, and that the names of Stichting Mathematisch
Centrum or CWI or Corporation for National Research Initiatives or
CNRI not be used in advertising or publicity pertaining to
distribution of the software without specific, written prior
permission.
While CWI is the initial source for this software, a modified version
is made available by the Corporation for National Research Initiatives
(CNRI) at the Internet address ftp://ftp.python.org.
STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
******************************************************************/
/* Functions used by cgen output */
#include "allobjects.h"
#include "cgensupport.h"
/* Functions to extract arguments.
These needs to know the total number of arguments supplied,
since the argument list is a tuple only of there is more than
one argument. */
int
getiobjectarg(args, nargs, i, p_arg)
register object *args;
int nargs, i;
object **p_arg;
{
if (nargs != 1) {
if (args == NULL || !is_tupleobject(args) ||
nargs != gettuplesize(args) ||
i < 0 || i >= nargs) {
return err_badarg();
}
else {
args = gettupleitem(args, i);
}
}
if (args == NULL) {
return err_badarg();
}
*p_arg = args;
return 1;
}
int
getilongarg(args, nargs, i, p_arg)
register object *args;
int nargs, i;
long *p_arg;
{
if (nargs != 1) {
if (args == NULL || !is_tupleobject(args) ||
nargs != gettuplesize(args) ||
i < 0 || i >= nargs) {
return err_badarg();
}
args = gettupleitem(args, i);
}
if (args == NULL || !is_intobject(args)) {
return err_badarg();
}
*p_arg = getintvalue(args);
return 1;
}
int
getishortarg(args, nargs, i, p_arg)
register object *args;
int nargs, i;
short *p_arg;
{
long x;
if (!getilongarg(args, nargs, i, &x))
return 0;
*p_arg = (short) x;
return 1;
}
static int
extractdouble(v, p_arg)
register object *v;
double *p_arg;
{
if (v == NULL) {
/* Fall through to error return at end of function */
}
else if (is_floatobject(v)) {
*p_arg = GETFLOATVALUE((floatobject *)v);
return 1;
}
else if (is_intobject(v)) {
*p_arg = GETINTVALUE((intobject *)v);
return 1;
}
else if (is_longobject(v)) {
*p_arg = dgetlongvalue(v);
return 1;
}
return err_badarg();
}
static int
extractfloat(v, p_arg)
register object *v;
float *p_arg;
{
if (v == NULL) {
/* Fall through to error return at end of function */
}
else if (is_floatobject(v)) {
*p_arg = (float) GETFLOATVALUE((floatobject *)v);
return 1;
}
else if (is_intobject(v)) {
*p_arg = (float) GETINTVALUE((intobject *)v);
return 1;
}
else if (is_longobject(v)) {
*p_arg = (float) dgetlongvalue(v);
return 1;
}
return err_badarg();
}
int
getifloatarg(args, nargs, i, p_arg)
register object *args;
int nargs, i;
float *p_arg;
{
object *v;
float x;
if (!getiobjectarg(args, nargs, i, &v))
return 0;
if (!extractfloat(v, &x))
return 0;
*p_arg = x;
return 1;
}
int
getistringarg(args, nargs, i, p_arg)
object *args;
int nargs, i;
string *p_arg;
{
object *v;
if (!getiobjectarg(args, nargs, i, &v))
return 0;
if (!is_stringobject(v)) {
return err_badarg();
}
*p_arg = getstringvalue(v);
return 1;
}
int
getichararg(args, nargs, i, p_arg)
object *args;
int nargs, i;
char *p_arg;
{
string x;
if (!getistringarg(args, nargs, i, &x))
return 0;
if (x[0] == '\0' || x[1] != '\0') {
/* Not exactly one char */
return err_badarg();
}
*p_arg = x[0];
return 1;
}
int
getilongarraysize(args, nargs, i, p_arg)
object *args;
int nargs, i;
long *p_arg;
{
object *v;
if (!getiobjectarg(args, nargs, i, &v))
return 0;
if (is_tupleobject(v)) {
*p_arg = gettuplesize(v);
return 1;
}
if (is_listobject(v)) {
*p_arg = getlistsize(v);
return 1;
}
return err_badarg();
}
int
getishortarraysize(args, nargs, i, p_arg)
object *args;
int nargs, i;
short *p_arg;
{
long x;
if (!getilongarraysize(args, nargs, i, &x))
return 0;
*p_arg = (short) x;
return 1;
}
/* XXX The following four are too similar. Should share more code. */
int
getilongarray(args, nargs, i, n, p_arg)
object *args;
int nargs, i;
int n;
long *p_arg; /* [n] */
{
object *v, *w;
if (!getiobjectarg(args, nargs, i, &v))
return 0;
if (is_tupleobject(v)) {
if (gettuplesize(v) != n) {
return err_badarg();
}
for (i = 0; i < n; i++) {
w = gettupleitem(v, i);
if (!is_intobject(w)) {
return err_badarg();
}
p_arg[i] = getintvalue(w);
}
return 1;
}
else if (is_listobject(v)) {
if (getlistsize(v) != n) {
return err_badarg();
}
for (i = 0; i < n; i++) {
w = getlistitem(v, i);
if (!is_intobject(w)) {
return err_badarg();
}
p_arg[i] = getintvalue(w);
}
return 1;
}
else {
return err_badarg();
}
}
int
getishortarray(args, nargs, i, n, p_arg)
object *args;
int nargs, i;
int n;
short *p_arg; /* [n] */
{
object *v, *w;
if (!getiobjectarg(args, nargs, i, &v))
return 0;
if (is_tupleobject(v)) {
if (gettuplesize(v) != n) {
return err_badarg();
}
for (i = 0; i < n; i++) {
w = gettupleitem(v, i);
if (!is_intobject(w)) {
return err_badarg();
}
p_arg[i] = (short) getintvalue(w);
}
return 1;
}
else if (is_listobject(v)) {
if (getlistsize(v) != n) {
return err_badarg();
}
for (i = 0; i < n; i++) {
w = getlistitem(v, i);
if (!is_intobject(w)) {
return err_badarg();
}
p_arg[i] = (short) getintvalue(w);
}
return 1;
}
else {
return err_badarg();
}
}
int
getidoublearray(args, nargs, i, n, p_arg)
object *args;
int nargs, i;
int n;
double *p_arg; /* [n] */
{
object *v, *w;
if (!getiobjectarg(args, nargs, i, &v))
return 0;
if (is_tupleobject(v)) {
if (gettuplesize(v) != n) {
return err_badarg();
}
for (i = 0; i < n; i++) {
w = gettupleitem(v, i);
if (!extractdouble(w, &p_arg[i]))
return 0;
}
return 1;
}
else if (is_listobject(v)) {
if (getlistsize(v) != n) {
return err_badarg();
}
for (i = 0; i < n; i++) {
w = getlistitem(v, i);
if (!extractdouble(w, &p_arg[i]))
return 0;
}
return 1;
}
else {
return err_badarg();
}
}
int
getifloatarray(args, nargs, i, n, p_arg)
object *args;
int nargs, i;
int n;
float *p_arg; /* [n] */
{
object *v, *w;
if (!getiobjectarg(args, nargs, i, &v))
return 0;
if (is_tupleobject(v)) {
if (gettuplesize(v) != n) {
return err_badarg();
}
for (i = 0; i < n; i++) {
w = gettupleitem(v, i);
if (!extractfloat(w, &p_arg[i]))
return 0;
}
return 1;
}
else if (is_listobject(v)) {
if (getlistsize(v) != n) {
return err_badarg();
}
for (i = 0; i < n; i++) {
w = getlistitem(v, i);
if (!extractfloat(w, &p_arg[i]))
return 0;
}
return 1;
}
else {
return err_badarg();
}
}
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