mirror of
https://github.com/python/cpython.git
synced 2024-11-27 03:45:08 +08:00
8586991099
This should match the situation in the 1.6b1 tree.
311 lines
6.0 KiB
C
311 lines
6.0 KiB
C
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/* Functions used by cgen output */
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#include "Python.h"
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#include "cgensupport.h"
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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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PyArg_GetObject(register PyObject *args, int nargs, int i, PyObject **p_arg)
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{
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if (nargs != 1) {
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if (args == NULL || !PyTuple_Check(args) ||
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nargs != PyTuple_Size(args) ||
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i < 0 || i >= nargs) {
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return PyErr_BadArgument();
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}
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else {
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args = PyTuple_GetItem(args, i);
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}
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}
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if (args == NULL) {
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return PyErr_BadArgument();
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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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PyArg_GetLong(register PyObject *args, int nargs, int i, long *p_arg)
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{
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if (nargs != 1) {
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if (args == NULL || !PyTuple_Check(args) ||
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nargs != PyTuple_Size(args) ||
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i < 0 || i >= nargs) {
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return PyErr_BadArgument();
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}
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args = PyTuple_GetItem(args, i);
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}
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if (args == NULL || !PyInt_Check(args)) {
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return PyErr_BadArgument();
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}
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*p_arg = PyInt_AsLong(args);
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return 1;
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}
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int
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PyArg_GetShort(register PyObject *args, int nargs, int i, short *p_arg)
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{
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long x;
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if (!PyArg_GetLong(args, nargs, i, &x))
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return 0;
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*p_arg = (short) x;
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return 1;
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}
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static int
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extractdouble(register PyObject *v, 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 (PyFloat_Check(v)) {
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*p_arg = PyFloat_AS_DOUBLE((PyFloatObject *)v);
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return 1;
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}
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else if (PyInt_Check(v)) {
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*p_arg = PyInt_AS_LONG((PyIntObject *)v);
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return 1;
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}
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else if (PyLong_Check(v)) {
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*p_arg = PyLong_AsDouble(v);
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return 1;
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}
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return PyErr_BadArgument();
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}
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static int
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extractfloat(register PyObject *v, 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 (PyFloat_Check(v)) {
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*p_arg = (float) PyFloat_AS_DOUBLE((PyFloatObject *)v);
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return 1;
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}
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else if (PyInt_Check(v)) {
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*p_arg = (float) PyInt_AS_LONG((PyIntObject *)v);
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return 1;
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}
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else if (PyLong_Check(v)) {
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*p_arg = (float) PyLong_AsDouble(v);
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return 1;
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}
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return PyErr_BadArgument();
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}
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int
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PyArg_GetFloat(register PyObject *args, int nargs, int i, float *p_arg)
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{
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PyObject *v;
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float x;
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if (!PyArg_GetObject(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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PyArg_GetString(PyObject *args, int nargs, int i, string *p_arg)
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{
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PyObject *v;
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if (!PyArg_GetObject(args, nargs, i, &v))
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return 0;
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if (!PyString_Check(v)) {
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return PyErr_BadArgument();
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}
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*p_arg = PyString_AsString(v);
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return 1;
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}
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int
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PyArg_GetChar(PyObject *args, int nargs, int i, char *p_arg)
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{
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string x;
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if (!PyArg_GetString(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 PyErr_BadArgument();
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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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PyArg_GetLongArraySize(PyObject *args, int nargs, int i, long *p_arg)
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{
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PyObject *v;
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if (!PyArg_GetObject(args, nargs, i, &v))
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return 0;
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if (PyTuple_Check(v)) {
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*p_arg = PyTuple_Size(v);
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return 1;
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}
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if (PyList_Check(v)) {
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*p_arg = PyList_Size(v);
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return 1;
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}
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return PyErr_BadArgument();
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}
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int
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PyArg_GetShortArraySize(PyObject *args, int nargs, int i, short *p_arg)
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{
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long x;
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if (!PyArg_GetLongArraySize(args, nargs, i, &x))
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return 0;
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*p_arg = (short) 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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PyArg_GetLongArray(PyObject *args, int nargs, int i, int n, long *p_arg)
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{
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PyObject *v, *w;
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if (!PyArg_GetObject(args, nargs, i, &v))
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return 0;
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if (PyTuple_Check(v)) {
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if (PyTuple_Size(v) != n) {
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return PyErr_BadArgument();
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}
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for (i = 0; i < n; i++) {
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w = PyTuple_GetItem(v, i);
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if (!PyInt_Check(w)) {
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return PyErr_BadArgument();
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}
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p_arg[i] = PyInt_AsLong(w);
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}
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return 1;
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}
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else if (PyList_Check(v)) {
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if (PyList_Size(v) != n) {
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return PyErr_BadArgument();
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}
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for (i = 0; i < n; i++) {
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w = PyList_GetItem(v, i);
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if (!PyInt_Check(w)) {
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return PyErr_BadArgument();
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}
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p_arg[i] = PyInt_AsLong(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 PyErr_BadArgument();
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}
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}
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int
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PyArg_GetShortArray(PyObject *args, int nargs, int i, int n, short *p_arg)
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{
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PyObject *v, *w;
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if (!PyArg_GetObject(args, nargs, i, &v))
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return 0;
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if (PyTuple_Check(v)) {
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if (PyTuple_Size(v) != n) {
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return PyErr_BadArgument();
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}
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for (i = 0; i < n; i++) {
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w = PyTuple_GetItem(v, i);
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if (!PyInt_Check(w)) {
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return PyErr_BadArgument();
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}
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p_arg[i] = (short) PyInt_AsLong(w);
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}
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return 1;
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}
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else if (PyList_Check(v)) {
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if (PyList_Size(v) != n) {
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return PyErr_BadArgument();
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}
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for (i = 0; i < n; i++) {
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w = PyList_GetItem(v, i);
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if (!PyInt_Check(w)) {
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return PyErr_BadArgument();
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}
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p_arg[i] = (short) PyInt_AsLong(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 PyErr_BadArgument();
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}
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}
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int
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PyArg_GetDoubleArray(PyObject *args, int nargs, int i, int n, double *p_arg)
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{
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PyObject *v, *w;
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if (!PyArg_GetObject(args, nargs, i, &v))
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return 0;
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if (PyTuple_Check(v)) {
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if (PyTuple_Size(v) != n) {
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return PyErr_BadArgument();
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}
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for (i = 0; i < n; i++) {
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w = PyTuple_GetItem(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 (PyList_Check(v)) {
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if (PyList_Size(v) != n) {
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return PyErr_BadArgument();
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}
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for (i = 0; i < n; i++) {
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w = PyList_GetItem(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 PyErr_BadArgument();
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}
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}
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int
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PyArg_GetFloatArray(PyObject *args, int nargs, int i, int n, float *p_arg)
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{
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PyObject *v, *w;
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if (!PyArg_GetObject(args, nargs, i, &v))
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return 0;
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if (PyTuple_Check(v)) {
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if (PyTuple_Size(v) != n) {
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return PyErr_BadArgument();
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}
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for (i = 0; i < n; i++) {
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w = PyTuple_GetItem(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 (PyList_Check(v)) {
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if (PyList_Size(v) != n) {
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return PyErr_BadArgument();
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}
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for (i = 0; i < n; i++) {
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w = PyList_GetItem(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 PyErr_BadArgument();
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}
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}
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