mirror of https://github.com/python/cpython.git
389 lines
7.3 KiB
C
389 lines
7.3 KiB
C
/***********************************************************
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Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
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Amsterdam, The Netherlands.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the names of Stichting Mathematisch
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Centrum or CWI not be used in advertising or publicity pertaining to
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distribution of the software without specific, written prior permission.
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STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
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THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
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FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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******************************************************************/
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/* Functions used by cgen output */
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#include "allobjects.h"
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#include "cgensupport.h"
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/* Functions to construct return values */
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object *
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mknewcharobject(c)
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int c;
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{
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char ch[1];
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ch[0] = c;
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return newsizedstringobject(ch, 1);
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}
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/* Functions to extract arguments.
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These needs to know the total number of arguments supplied,
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since the argument list is a tuple only of there is more than
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one argument. */
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int
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getiobjectarg(args, nargs, i, p_arg)
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register object *args;
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int nargs, i;
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object **p_arg;
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{
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if (nargs != 1) {
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if (args == NULL || !is_tupleobject(args) ||
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nargs != gettuplesize(args) ||
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i < 0 || i >= nargs) {
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return err_badarg();
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}
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else {
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args = gettupleitem(args, i);
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}
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}
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if (args == NULL) {
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return err_badarg();
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}
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*p_arg = args;
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return 1;
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}
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int
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getilongarg(args, nargs, i, p_arg)
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register object *args;
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int nargs, i;
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long *p_arg;
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{
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if (nargs != 1) {
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if (args == NULL || !is_tupleobject(args) ||
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nargs != gettuplesize(args) ||
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i < 0 || i >= nargs) {
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return err_badarg();
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}
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args = gettupleitem(args, i);
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}
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if (args == NULL || !is_intobject(args)) {
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return err_badarg();
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}
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*p_arg = getintvalue(args);
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return 1;
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}
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int
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getishortarg(args, nargs, i, p_arg)
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register object *args;
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int nargs, i;
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short *p_arg;
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{
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long x;
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if (!getilongarg(args, nargs, i, &x))
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return 0;
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*p_arg = x;
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return 1;
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}
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static int
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extractdouble(v, p_arg)
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register object *v;
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double *p_arg;
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{
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if (v == NULL) {
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/* Fall through to error return at end of function */
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}
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else if (is_floatobject(v)) {
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*p_arg = GETFLOATVALUE((floatobject *)v);
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return 1;
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}
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else if (is_intobject(v)) {
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*p_arg = GETINTVALUE((intobject *)v);
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return 1;
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}
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else if (is_longobject(v)) {
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*p_arg = dgetlongvalue(v);
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return 1;
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}
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return err_badarg();
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}
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static int
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extractfloat(v, p_arg)
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register object *v;
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float *p_arg;
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{
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if (v == NULL) {
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/* Fall through to error return at end of function */
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}
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else if (is_floatobject(v)) {
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*p_arg = GETFLOATVALUE((floatobject *)v);
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return 1;
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}
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else if (is_intobject(v)) {
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*p_arg = GETINTVALUE((intobject *)v);
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return 1;
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}
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else if (is_longobject(v)) {
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*p_arg = dgetlongvalue(v);
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return 1;
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}
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return err_badarg();
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}
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int
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getifloatarg(args, nargs, i, p_arg)
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register object *args;
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int nargs, i;
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float *p_arg;
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{
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object *v;
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float x;
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if (!getiobjectarg(args, nargs, i, &v))
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return 0;
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if (!extractfloat(v, &x))
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return 0;
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*p_arg = x;
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return 1;
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}
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int
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getistringarg(args, nargs, i, p_arg)
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object *args;
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int nargs, i;
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string *p_arg;
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{
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object *v;
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if (!getiobjectarg(args, nargs, i, &v))
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return 0;
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if (!is_stringobject(v)) {
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return err_badarg();
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}
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*p_arg = getstringvalue(v);
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return 1;
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}
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int
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getichararg(args, nargs, i, p_arg)
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object *args;
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int nargs, i;
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char *p_arg;
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{
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string x;
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if (!getistringarg(args, nargs, i, &x))
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return 0;
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if (x[0] == '\0' || x[1] != '\0') {
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/* Not exactly one char */
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return err_badarg();
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}
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*p_arg = x[0];
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return 1;
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}
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int
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getilongarraysize(args, nargs, i, p_arg)
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object *args;
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int nargs, i;
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long *p_arg;
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{
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object *v;
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if (!getiobjectarg(args, nargs, i, &v))
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return 0;
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if (is_tupleobject(v)) {
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*p_arg = gettuplesize(v);
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return 1;
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}
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if (is_listobject(v)) {
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*p_arg = getlistsize(v);
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return 1;
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}
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return err_badarg();
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}
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int
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getishortarraysize(args, nargs, i, p_arg)
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object *args;
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int nargs, i;
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short *p_arg;
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{
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long x;
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if (!getilongarraysize(args, nargs, i, &x))
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return 0;
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*p_arg = x;
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return 1;
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}
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/* XXX The following four are too similar. Should share more code. */
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int
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getilongarray(args, nargs, i, n, p_arg)
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object *args;
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int nargs, i;
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int n;
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long *p_arg; /* [n] */
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{
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object *v, *w;
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if (!getiobjectarg(args, nargs, i, &v))
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return 0;
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if (is_tupleobject(v)) {
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if (gettuplesize(v) != n) {
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return err_badarg();
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}
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for (i = 0; i < n; i++) {
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w = gettupleitem(v, i);
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if (!is_intobject(w)) {
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return err_badarg();
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}
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p_arg[i] = getintvalue(w);
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}
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return 1;
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}
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else if (is_listobject(v)) {
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if (getlistsize(v) != n) {
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return err_badarg();
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}
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for (i = 0; i < n; i++) {
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w = getlistitem(v, i);
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if (!is_intobject(w)) {
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return err_badarg();
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}
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p_arg[i] = getintvalue(w);
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}
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return 1;
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}
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else {
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return err_badarg();
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}
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}
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int
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getishortarray(args, nargs, i, n, p_arg)
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object *args;
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int nargs, i;
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int n;
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short *p_arg; /* [n] */
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{
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object *v, *w;
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if (!getiobjectarg(args, nargs, i, &v))
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return 0;
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if (is_tupleobject(v)) {
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if (gettuplesize(v) != n) {
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return err_badarg();
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}
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for (i = 0; i < n; i++) {
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w = gettupleitem(v, i);
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if (!is_intobject(w)) {
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return err_badarg();
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}
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p_arg[i] = getintvalue(w);
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}
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return 1;
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}
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else if (is_listobject(v)) {
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if (getlistsize(v) != n) {
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return err_badarg();
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}
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for (i = 0; i < n; i++) {
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w = getlistitem(v, i);
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if (!is_intobject(w)) {
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return err_badarg();
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}
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p_arg[i] = getintvalue(w);
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}
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return 1;
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}
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else {
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return err_badarg();
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}
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}
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int
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getidoublearray(args, nargs, i, n, p_arg)
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object *args;
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int nargs, i;
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int n;
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double *p_arg; /* [n] */
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{
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object *v, *w;
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if (!getiobjectarg(args, nargs, i, &v))
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return 0;
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if (is_tupleobject(v)) {
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if (gettuplesize(v) != n) {
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return err_badarg();
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}
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for (i = 0; i < n; i++) {
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w = gettupleitem(v, i);
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if (!extractdouble(w, &p_arg[i]))
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return 0;
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}
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return 1;
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}
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else if (is_listobject(v)) {
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if (getlistsize(v) != n) {
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return err_badarg();
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}
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for (i = 0; i < n; i++) {
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w = getlistitem(v, i);
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if (!extractdouble(w, &p_arg[i]))
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return 0;
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}
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return 1;
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}
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else {
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return err_badarg();
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}
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}
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int
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getifloatarray(args, nargs, i, n, p_arg)
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object *args;
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int nargs, i;
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int n;
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float *p_arg; /* [n] */
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{
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object *v, *w;
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if (!getiobjectarg(args, nargs, i, &v))
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return 0;
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if (is_tupleobject(v)) {
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if (gettuplesize(v) != n) {
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return err_badarg();
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}
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for (i = 0; i < n; i++) {
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w = gettupleitem(v, i);
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if (!extractfloat(w, &p_arg[i]))
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return 0;
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}
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return 1;
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}
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else if (is_listobject(v)) {
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if (getlistsize(v) != n) {
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return err_badarg();
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}
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for (i = 0; i < n; i++) {
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w = getlistitem(v, i);
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if (!extractfloat(w, &p_arg[i]))
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return 0;
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}
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return 1;
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}
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else {
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return err_badarg();
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}
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}
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