1294 lines
32 KiB
C
1294 lines
32 KiB
C
#include "python.h"
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/**
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*
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* @section Python Built-Ins
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*
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* The Python engine includes a large number of Python built-ins. Some
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* of them are interfaced here.
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*/
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//@{
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static PyObject *find_obj(PyObject *ob, term_t lhs) {
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char *s;
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PyObject *out, *pName;
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int arity = 0;
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if (!PL_get_atom_chars(lhs, &s)) {
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atom_t name;
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if (!PL_get_name_arity(lhs, &name, &arity))
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return NULL;
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s = PL_atom_chars(name);
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}
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if (ob) {
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out = PyObject_GetAttrString(ob, s);
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return out;
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}
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if (!ob && !arity) {
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#if PY_MAJOR_VERSION < 3
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pName = PyString_FromString(s);
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#else
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pName = PyUnicode_FromString(s);
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#endif
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if (pName == NULL) {
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return NULL;
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}
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if ((out = PyImport_Import(pName))) {
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Py_IncRef(out);
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// Py_DecRef(pName); ??
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return out;
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}
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}
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if (!ob && py_Main && (out = PyObject_GetAttrString(py_Main, s)))
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return out;
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return NULL;
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}
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/**
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* Python abs
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*
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* @param t Prolog term with a number
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*
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* @return a Python object with the number's absolute value
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*/
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static PyObject *bip_abs(term_t t) {
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PyObject *pVal, *nVal;
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if (!PL_get_arg(1, t, t))
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return NULL;
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pVal = term_to_python(t, true);
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nVal = PyNumber_Absolute(pVal);
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Py_DecRef(pVal);
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return nVal;
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}
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/**
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* Python all
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*
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* @param t Prolog term with a previously constructed Python iterator
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*
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* @return the Python boolean `True` if all elements of the iterator are `True`,
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* `False` otherwise.
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*/
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static PyObject *bip_all(term_t t) {
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PyObject *it, *item, *v;
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PyObject *(*iternext)(PyObject *);
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int cmp;
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if (!PL_get_arg(1, t, t))
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return NULL;
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v = term_to_python(t, true);
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it = PyObject_GetIter(v);
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if (it == NULL)
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return NULL;
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iternext = *Py_TYPE(it)->tp_iternext;
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// PyObject_Print(v, stderr, 0);
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for (;;) {
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item = iternext(it);
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if (item == NULL)
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break;
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cmp = PyObject_IsTrue(item);
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Py_DECREF(item);
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if (cmp < 0) {
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Py_DECREF(it);
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return NULL;
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}
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if (cmp == 0) {
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Py_DECREF(it);
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return Py_False;
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}
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}
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Py_DECREF(it);
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if (PyErr_Occurred()) {
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if (PyErr_ExceptionMatches(PyExc_StopIteration))
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PyErr_Clear();
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else
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return NULL;
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}
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return Py_True;
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}
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/**
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* Python any
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*
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* @param t Prolog term with a previously constructed Python iterator
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*
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* @return the Python boolean `True` if any element of the iterator is `True`,
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* `False` if all of them are false.
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*/
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static PyObject *bip_any(term_t t) {
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PyObject *it, *item, *v;
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PyObject *(*iternext)(PyObject *);
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int cmp;
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if (!PL_get_arg(1, t, t))
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return NULL;
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v = term_to_python(t, true);
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it = PyObject_GetIter(v);
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if (it == NULL)
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return NULL;
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iternext = *Py_TYPE(it)->tp_iternext;
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for (;;) {
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item = iternext(it);
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if (item == NULL)
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break;
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cmp = PyObject_IsTrue(item);
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Py_DECREF(item);
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if (cmp < 0) {
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Py_DECREF(it);
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return NULL;
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}
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if (cmp == 1) {
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Py_DECREF(it);
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Py_RETURN_TRUE;
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}
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}
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Py_DECREF(it);
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if (PyErr_Occurred()) {
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if (PyErr_ExceptionMatches(PyExc_StopIteration))
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PyErr_Clear();
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else
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return NULL;
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}
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Py_RETURN_FALSE;
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}
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static PyObject *bip_bin(term_t t) {
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PyObject *v;
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if (!PL_get_arg(1, t, t))
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return NULL;
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v = term_to_python(t, true);
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return PyNumber_ToBase(v, 2);
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}
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static PyObject *bip_float(term_t t, bool eval) {
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PyObject *pVal, *o;
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if (!PL_get_arg(1, t, t))
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return NULL;
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pVal = term_to_python(t, eval);
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if (PyLong_Check(pVal)) {
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o = PyFloat_FromDouble(PyLong_AsLong(pVal));
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#if PY_MAJOR_VERSION < 3
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} else if (PyInt_Check(pVal)) {
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o = PyFloat_FromDouble(PyInt_AsLong(pVal));
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#endif
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} else if (PyFloat_Check(pVal)) {
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return pVal;
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} else
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return NULL;
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Py_DECREF(pVal);
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return o;
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}
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static PyObject *bip_int(term_t t) {
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PyObject *pVal, *o;
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if (!PL_get_arg(1, t, t))
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return NULL;
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pVal = term_to_python(t, true);
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#if PY_MAJOR_VERSION < 3
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if (PyLong_Check(pVal)) {
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o = PyInt_FromLong(PyLong_AsLong(pVal));
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} else if (PyInt_Check(pVal)) {
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return pVal;
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#else
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if (PyLong_Check(pVal)) {
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return pVal;
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#endif
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} else if (PyFloat_Check(pVal)) {
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#if PY_MAJOR_VERSION < 3
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o = PyInt_FromLong(PyFloat_AsDouble(pVal));
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#else
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o = PyLong_FromDouble(PyFloat_AsDouble(pVal));
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#endif
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} else
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return NULL;
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Py_DECREF(pVal);
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return o;
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}
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static PyObject *bip_long(term_t t) {
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PyObject *pVal, *o;
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if (!PL_get_arg(1, t, t))
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return NULL;
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pVal = term_to_python(t, true);
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if (PyLong_Check(pVal)) {
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return pVal;
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#if PY_MAJOR_VERSION < 3
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} else if (PyInt_Check(pVal)) {
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o = PyLong_FromLong(PyInt_AsLong(pVal));
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#endif
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} else if (PyFloat_Check(pVal)) {
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o = pVal;
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} else
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return NULL;
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Py_DECREF(pVal);
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return o;
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}
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static PyObject *bip_iter(term_t t) {
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PyObject *v;
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if (!PL_get_arg(1, t, t))
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return NULL;
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v = term_to_python(t, true);
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return PyObject_GetIter(v);
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}
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static PyObject *bip_ord(term_t t) {
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PyObject *pVal;
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Py_ssize_t size;
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if (!PL_get_arg(1, t, t))
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return NULL;
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pVal = term_to_python(t, true);
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if (PyUnicode_Check(pVal)) {
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#if PY_MAJOR_VERSION < 3
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size = PyUnicode_GET_SIZE(pVal);
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#else
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size = PyUnicode_GetLength(pVal);
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#endif
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if (size == 1) {
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#if PY_MAJOR_VERSION < 3
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long ord = (long)*PyUnicode_AS_UNICODE(pVal);
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return PyInt_FromLong(ord);
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#else
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Py_UCS4 ord = PyUnicode_ReadChar(pVal, 0);
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return PyLong_FromLong(ord);
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#endif
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}
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return NULL;
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} else if (PyByteArray_Check(pVal)) {
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char *s = PyByteArray_AsString(pVal);
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if (s[1])
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return NULL;
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#if PY_MAJOR_VERSION < 3
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return PyInt_FromLong(s[0]);
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} else if (PyString_Check(pVal)) {
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char *s = PyString_AsString(pVal);
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if (s[1])
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return NULL;
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return PyInt_FromLong(s[0]);
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#else
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return PyLong_FromLong(s[0]);
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#endif
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} else
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return NULL;
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}
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static PyObject *bip_sum(term_t t) {
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PyObject *seq;
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PyObject *result = NULL;
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PyObject *temp, *item, *iter;
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if (!PL_get_arg(1, t, t))
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return NULL;
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seq = term_to_python(t, true);
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iter = PyObject_GetIter(seq);
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if (iter == NULL)
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return NULL;
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if (result == NULL) {
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#if PY_MAJOR_VERSION < 3
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result = PyInt_FromLong(0);
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#else
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result = PyLong_FromLong(0);
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#endif
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if (result == NULL) {
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Py_DECREF(iter);
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return NULL;
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}
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} else {
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#if PY_MAJOR_VERSION < 3
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/* reject string values for 'start' parameter */
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if (PyObject_TypeCheck(result, &PyBaseString_Type)) {
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PyErr_SetString(PyExc_TypeError,
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"sum() can't sum strings [use ''.join(seq) instead]");
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Py_DECREF(iter);
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return NULL;
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}
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Py_INCREF(result);
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#endif
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}
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#ifndef SLOW_SUM
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/* Fast addition by keeping temporary sums in C instead of new Python objects.
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Assumes all inputs are the same type. If the assumption fails, default
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to the more general routine.
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*/
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#if PY_MAJOR_VERSION < 3
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if (PyInt_CheckExact(result)) {
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long i_result = PyInt_AS_LONG(result);
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#else
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if (PyLong_CheckExact(result)) {
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long i_result = PyLong_AS_LONG(result);
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#endif
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Py_DECREF(result);
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result = NULL;
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while (result == NULL) {
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item = PyIter_Next(iter);
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if (item == NULL) {
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Py_DECREF(iter);
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if (PyErr_Occurred())
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return NULL;
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#if PY_MAJOR_VERSION < 3
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return PyInt_FromLong(i_result);
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#else
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return PyLong_FromLong(i_result);
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#endif
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}
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#if PY_MAJOR_VERSION < 3
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if (PyInt_CheckExact(item)) {
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long b = PyInt_AS_LONG(item);
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#else
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if (PyLong_CheckExact(item)) {
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long b = PyLong_AS_LONG(item);
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#endif
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long x = i_result + b;
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if ((x ^ i_result) >= 0 || (x ^ b) >= 0) {
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i_result = x;
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Py_DECREF(item);
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continue;
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}
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}
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/* Either overflowed or is not an int. Restore real objects and process normally
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*/
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#if PY_MAJOR_VERSION < 3
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result = PyInt_FromLong(i_result);
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#else
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result = PyLong_FromLong(i_result);
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#endif
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temp = PyNumber_Add(result, item);
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Py_DECREF(result);
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Py_DECREF(item);
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result = temp;
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if (result == NULL) {
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Py_DECREF(iter);
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return NULL;
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}
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}
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}
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if (PyFloat_CheckExact(result)) {
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double f_result = PyFloat_AS_DOUBLE(result);
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Py_DECREF(result);
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result = NULL;
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while (result == NULL) {
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item = PyIter_Next(iter);
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if (item == NULL) {
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Py_DECREF(iter);
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if (PyErr_Occurred())
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return NULL;
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return PyFloat_FromDouble(f_result);
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}
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if (PyFloat_CheckExact(item)) {
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PyFPE_START_PROTECT("add", Py_DECREF(item); Py_DECREF(iter); return 0)
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f_result += PyFloat_AS_DOUBLE(item);
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PyFPE_END_PROTECT(f_result) Py_DECREF(item);
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continue;
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}
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#if PY_MAJOR_VERSION < 3
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if (PyInt_CheckExact(item)) {
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PyFPE_START_PROTECT("add", Py_DECREF(item); Py_DECREF(iter); return 0)
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f_result += (double)PyInt_AS_LONG(item);
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PyFPE_END_PROTECT(f_result) Py_DECREF(item);
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continue;
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}
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#else
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if (PyLong_CheckExact(item)) {
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PyFPE_START_PROTECT("add", Py_DECREF(item); Py_DECREF(iter); return 0)
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f_result += PyLong_AsDouble(item);
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PyFPE_END_PROTECT(f_result) Py_DECREF(item);
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continue;
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}
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#endif
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result = PyFloat_FromDouble(f_result);
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temp = PyNumber_Add(result, item);
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Py_DECREF(result);
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Py_DECREF(item);
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result = temp;
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if (result == NULL) {
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Py_DECREF(iter);
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return NULL;
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}
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}
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#endif
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}
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for (;;) {
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item = PyIter_Next(iter);
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if (item == NULL) {
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/* error, or end-of-sequence */
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if (PyErr_Occurred()) {
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Py_DECREF(result);
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result = NULL;
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}
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break;
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}
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/* It's tempting to use PyNumber_InPlaceAdd instead of
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PyNumber_Add here, to avoid quadratic running time
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when doing 'sum(list_of_lists, [])'. However, this
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would produce a change in behaviour: a snippet like
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empty = []
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sum([[x] for x in range(10)], empty)
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would change the value of empty. */
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temp = PyNumber_Add(result, item);
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Py_DECREF(result);
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Py_DECREF(item);
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result = temp;
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if (result == NULL)
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break;
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}
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Py_DECREF(iter);
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return result;
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}
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//@}
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static long get_int(term_t arg, bool eval) {
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long low;
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if (!PL_get_long(arg, &low)) {
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PyObject *low = term_to_python(arg, eval);
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if (PyLong_Check(low)) {
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return PyLong_AsLong(low);
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#if PY_MAJOR_VERSION < 3
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} else if (PyInt_Check(low)) {
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return PyInt_AsLong(low);
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#endif
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} else {
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return 0;
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}
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}
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return low;
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}
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/* Return number of items in range/xrange (lo, hi, step). step > 0
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* required. Return a value < 0 if & only if the true value is too
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* large to fit in a signed long.
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*/
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static long get_len_of_range(long lo, long hi, long step) {
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/* -------------------------------------------------------------
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If lo >= hi, the range is empty.
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Else if n values are in the range, the last one is
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lo + (n-1)*step, which must be <= hi-1. Rearranging,
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n <= (hi - lo - 1)/step + 1, so taking the floor of the RHS gives
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the proper value. Since lo < hi in this case, hi-lo-1 >= 0, so
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the RHS is non-negative and so truncation is the same as the
|
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floor. Letting M be the largest positive long, the worst case
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for the RHS numerator is hi=M, lo=-M-1, and then
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hi-lo-1 = M-(-M-1)-1 = 2*M. Therefore unsigned long has enough
|
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precision to compute the RHS exactly.
|
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---------------------------------------------------------------*/
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long n = 0;
|
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if (lo < hi) {
|
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unsigned long uhi = (unsigned long)hi;
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unsigned long ulo = (unsigned long)lo;
|
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unsigned long diff = uhi - ulo - 1;
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n = (long)(diff / (unsigned long)step + 1);
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}
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return n;
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}
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|
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#if PY_MAJOR_VERSION >= 3
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|
static PyStructSequence_Field pnull[] = {
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{"A1", NULL}, {"A2", NULL}, {"A3", NULL}, {"A4", NULL},
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{"A5", NULL}, {"A6", NULL}, {"A7", NULL}, {"A8", NULL},
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{"A9", NULL}, {"A9", NULL}, {"A10", NULL}, {"A11", NULL},
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{"A12", NULL}, {"A13", NULL}, {"A14", NULL}, {"A15", NULL},
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{"A16", NULL}, {"A17", NULL}, {"A18", NULL}, {"A19", NULL},
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{"A19", NULL}, {"A20", NULL}, {"A21", NULL}, {"A22", NULL},
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{"A23", NULL}, {"A24", NULL}, {"A25", NULL}, {"A26", NULL},
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{"A27", NULL}, {"A28", NULL}, {"A29", NULL}, {"A29", NULL},
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{"A30", NULL}, {"A31", NULL}, {"A32", NULL}, {0}};
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|
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static PyObject *
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structseq_str(PyObject *iobj)
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{
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/* buffer and type size were chosen well considered. */
|
|
#define REPR_BUFFER_SIZE 512
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#define TYPE_MAXSIZE 100
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|
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PyStructSequence *obj = (PyStructSequence *)iobj;
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PyTypeObject *typ = Py_TYPE(obj);
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bool removelast = false;
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Py_ssize_t len, i;
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char buf[REPR_BUFFER_SIZE];
|
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char *endofbuf, *pbuf = buf;
|
|
/* pointer to end of writeable buffer; safes space for "...)\0" */
|
|
endofbuf= &buf[REPR_BUFFER_SIZE-5];
|
|
|
|
/* "typename(", limited to TYPE_MAXSIZE */
|
|
len = strlen(typ->tp_name) > TYPE_MAXSIZE ? TYPE_MAXSIZE :
|
|
strlen(typ->tp_name);
|
|
strncpy(pbuf, typ->tp_name, len);
|
|
pbuf += len;
|
|
*pbuf++ = '(';
|
|
|
|
for (i=0; i < ((PyStructSequence *)obj)->ob_base.ob_size; i++) {
|
|
PyObject *val, *repr;
|
|
char *crepr;
|
|
|
|
val = PyStructSequence_GET_ITEM(obj, i);
|
|
repr = PyObject_Str(val);
|
|
if (repr == NULL)
|
|
return NULL;
|
|
crepr = PyUnicode_AsUTF8(repr);
|
|
if (crepr == NULL) {
|
|
Py_DECREF(repr);
|
|
return NULL;
|
|
}
|
|
|
|
/* + 3: keep space for ", " */
|
|
len = strlen(crepr) + 2;
|
|
if ((pbuf+len) <= endofbuf) {
|
|
strcpy(pbuf, crepr);
|
|
pbuf += strlen(crepr);
|
|
*pbuf++ = ',';
|
|
*pbuf++ = ' ';
|
|
removelast = 1;
|
|
Py_DECREF(repr);
|
|
}
|
|
else {
|
|
strcpy(pbuf, "...");
|
|
pbuf += 3;
|
|
removelast = 0;
|
|
Py_DECREF(repr);
|
|
break;
|
|
}
|
|
}
|
|
if (removelast) {
|
|
/* overwrite last ", " */
|
|
pbuf-=2;
|
|
}
|
|
*pbuf++ = ')';
|
|
*pbuf = '\0';
|
|
|
|
return PyUnicode_FromString(buf);
|
|
}
|
|
|
|
|
|
static PyObject *
|
|
structseq_repr(PyObject *iobj)
|
|
{
|
|
|
|
/* buffer and type size were chosen well considered. */
|
|
#define REPR_BUFFER_SIZE 512
|
|
#define TYPE_MAXSIZE 100
|
|
|
|
PyStructSequence *obj = (PyStructSequence *)iobj;
|
|
PyTypeObject *typ = Py_TYPE(obj);
|
|
bool removelast = false;
|
|
Py_ssize_t len, i;
|
|
char buf[REPR_BUFFER_SIZE];
|
|
char *endofbuf, *pbuf = buf;
|
|
/* pointer to end of writeable buffer; safes space for "...)\0" */
|
|
endofbuf= &buf[REPR_BUFFER_SIZE-5];
|
|
|
|
/* "typename(", limited to TYPE_MAXSIZE */
|
|
len = strlen(typ->tp_name) > TYPE_MAXSIZE ? TYPE_MAXSIZE :
|
|
strlen(typ->tp_name);
|
|
strncpy(pbuf, typ->tp_name, len);
|
|
pbuf += len;
|
|
*pbuf++ = '(';
|
|
|
|
for (i=0; i < ((PyStructSequence *)obj)->ob_base.ob_size; i++) {
|
|
PyObject *val, *repr;
|
|
char *crepr;
|
|
|
|
val = PyStructSequence_GET_ITEM(obj, i);
|
|
repr = PyObject_Repr(val);
|
|
if (repr == NULL)
|
|
return NULL;
|
|
crepr = PyUnicode_AsUTF8(repr);
|
|
if (crepr == NULL) {
|
|
Py_DECREF(repr);
|
|
return NULL;
|
|
}
|
|
|
|
/* + 3: keep space for ", " */
|
|
len = strlen(crepr) + 2;
|
|
if ((pbuf+len) <= endofbuf) {
|
|
strcpy(pbuf, crepr);
|
|
pbuf += strlen(crepr);
|
|
*pbuf++ = ',';
|
|
*pbuf++ = ' ';
|
|
removelast = 1;
|
|
Py_DECREF(repr);
|
|
}
|
|
else {
|
|
strcpy(pbuf, "...");
|
|
pbuf += 3;
|
|
removelast = 0;
|
|
Py_DECREF(repr);
|
|
break;
|
|
}
|
|
}
|
|
if (removelast) {
|
|
/* overwrite last ", " */
|
|
pbuf-=2;
|
|
}
|
|
*pbuf++ = ')';
|
|
*pbuf = '\0';
|
|
|
|
return PyUnicode_FromString(buf);
|
|
}
|
|
|
|
static PyObject *
|
|
term_to_nametuple( const char *s, int arity, term_t t) {
|
|
PyTypeObject *typp;
|
|
PyObject *o;
|
|
PyObject *key = PyUnicode_FromString(s);
|
|
if (PyDict_Contains(py_F2P, key)) {
|
|
typp = (PyTypeObject*)PyDict_GetItem(py_F2P, key);
|
|
} else {
|
|
|
|
typp = PyMem_Malloc(sizeof(PyTypeObject));
|
|
PyStructSequence_Desc *desc = PyMem_Malloc(sizeof(PyStructSequence_Desc));
|
|
|
|
desc->name = PyUnicode_AsUTF8(key);
|
|
desc->doc = "YAPTerm";
|
|
desc->fields = pnull;
|
|
desc->n_in_sequence = 32;
|
|
if (PyStructSequence_InitType2(typp, desc) < 0)
|
|
return NULL;
|
|
typp->tp_str = structseq_str;
|
|
typp->tp_repr = structseq_repr;
|
|
// typp = PyStructSequence_NewType(desc);
|
|
Py_INCREF(typp);
|
|
// typp->tp_flags |= Py_TPFLAGS_HEAPTYPE;
|
|
PyModule_AddObject(py_Yapex, s, (PyObject *)typp);
|
|
PyDict_SetItem(py_F2P, key, (PyObject *)typp);
|
|
}
|
|
o = PyStructSequence_New(typp);
|
|
term_t tleft = PL_new_term_ref();
|
|
for (int i = 0; i < arity; i++) {
|
|
PyObject *pArg;
|
|
if (!PL_get_arg(i + 1, t, tleft))
|
|
return NULL;
|
|
pArg = term_to_python(tleft, false);
|
|
if (pArg == NULL)
|
|
return NULL;
|
|
/* pArg reference stolen here: */
|
|
PyStructSequence_SET_ITEM(o, i, pArg);
|
|
}
|
|
((PyStructSequence *)o)->ob_base.ob_size = arity;
|
|
|
|
return o;
|
|
}
|
|
|
|
#endif
|
|
|
|
static PyObject *bip_range(term_t t) {
|
|
long ilow = 0, ihigh = 0, istep = 1;
|
|
long bign;
|
|
Py_ssize_t i, n;
|
|
int arity;
|
|
atom_t name;
|
|
term_t arg = PL_new_term_ref();
|
|
|
|
PyObject *v;
|
|
|
|
if (!PL_get_name_arity(t, &name, &arity))
|
|
return NULL;
|
|
if (!PL_get_arg(1, t, arg))
|
|
return NULL;
|
|
ilow = get_int(arg, true);
|
|
if (arity == 1) {
|
|
ihigh = ilow;
|
|
ilow = 0;
|
|
} else {
|
|
if (!PL_get_arg(2, t, arg))
|
|
return NULL;
|
|
ihigh = get_int(arg, true);
|
|
if (arity == 3) {
|
|
if (!PL_get_arg(3, t, arg))
|
|
return NULL;
|
|
istep = get_int(arg, true);
|
|
}
|
|
}
|
|
if (istep == 0) {
|
|
PyErr_SetString(PyExc_ValueError, "range() step argument must not be zero");
|
|
return NULL;
|
|
}
|
|
if (istep > 0)
|
|
bign = get_len_of_range(ilow, ihigh, istep);
|
|
else
|
|
bign = get_len_of_range(ihigh, ilow, -istep);
|
|
n = (Py_ssize_t)bign;
|
|
if (bign < 0 || (long)n != bign) {
|
|
PyErr_SetString(PyExc_OverflowError, "range() result has too many items");
|
|
return NULL;
|
|
}
|
|
v = PyList_New(n);
|
|
if (v == NULL)
|
|
return NULL;
|
|
for (i = 0; i < n; i++) {
|
|
#if PY_MAJOR_VERSION < 3
|
|
PyObject *w = PyInt_FromLong(ilow);
|
|
#else
|
|
PyObject *w = PyLong_FromLong(ilow);
|
|
#endif
|
|
if (w == NULL) {
|
|
Py_DECREF(v);
|
|
return NULL;
|
|
}
|
|
PyList_SET_ITEM(v, i, w);
|
|
ilow += istep;
|
|
}
|
|
return v;
|
|
}
|
|
static int copy_to_dictionary(PyObject *dict, term_t targ, term_t taux,
|
|
bool eval) {
|
|
PyObject *lhs, *rhs;
|
|
term_t tleft = PL_new_term_ref(), tright = PL_new_term_ref();
|
|
|
|
while (true) {
|
|
functor_t fun;
|
|
|
|
if (!PL_get_functor(targ, &fun))
|
|
return false;
|
|
if (fun == FUNCTOR_comma2) {
|
|
if (!PL_get_arg(1, targ, taux)) {
|
|
return false;
|
|
}
|
|
if (!PL_get_arg(1, taux, tleft)) {
|
|
return FALSE;
|
|
}
|
|
lhs = term_to_python(tleft, eval);
|
|
if (!PL_get_arg(2, taux, tright)) {
|
|
return FALSE;
|
|
}
|
|
rhs = term_to_python(tright, eval);
|
|
if (PyDict_SetItem(dict, lhs, rhs) < 0) {
|
|
return FALSE;
|
|
}
|
|
// PyObject_Print(dict, stderr, 0); fprintf(stderr,"\n");
|
|
// Py_DECREF(lhs);
|
|
// Py_DECREF(rhs);
|
|
|
|
if (!PL_get_arg(1, targ, targ)) {
|
|
return FALSE;
|
|
}
|
|
} else {
|
|
if (!PL_get_arg(1, targ, tleft)) {
|
|
return FALSE;
|
|
}
|
|
lhs = atom_to_python_string(tleft);
|
|
if (lhs == NULL) {
|
|
return FALSE;
|
|
}
|
|
if (!PL_get_arg(2, targ, tright)) {
|
|
return FALSE;
|
|
}
|
|
rhs = term_to_python(tright, eval);
|
|
if (rhs == NULL) {
|
|
PyErr_Print();
|
|
return FALSE;
|
|
}
|
|
if (PyDict_SetItem(dict, lhs, rhs) < 0) {
|
|
return FALSE;
|
|
}
|
|
// PyObject_Print(dict, stderr, 0); fprintf(stderr,"\n");
|
|
// Py_DECREF(lhs);
|
|
// Py_DECREF(rhs);
|
|
break;
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
PyObject *compound_to_pytree(term_t t, functor_t fun) {
|
|
PyObject *o;
|
|
o = py_Main;
|
|
atom_t name = PL_functor_name(fun);
|
|
int arity = PL_functor_arity(fun);
|
|
|
|
if (fun == FUNCTOR_dollar1) {
|
|
char *s;
|
|
term_t targ = PL_new_term_ref();
|
|
if (!PL_get_arg(1, t, targ))
|
|
return NULL;
|
|
if (!PL_get_atom_chars(targ, &s))
|
|
return NULL;
|
|
/* return __main__,s */
|
|
return PyObject_GetAttrString(py_Main, s);
|
|
} else if (fun == FUNCTOR_pointer1) {
|
|
void *ptr;
|
|
term_t targ = PL_new_term_ref();
|
|
|
|
if (!PL_get_arg(1, t, targ))
|
|
return NULL;
|
|
if (!PL_get_pointer(targ, &ptr))
|
|
return NULL;
|
|
/* return __main__.s */
|
|
return (PyObject *)ptr;
|
|
} else if (fun == FUNCTOR_brackets1) {
|
|
if (!PL_get_arg(1, t, t))
|
|
return NULL;
|
|
return term_to_python(t, false);
|
|
} else if (fun == FUNCTOR_complex2) {
|
|
term_t targ = PL_new_term_ref();
|
|
PyObject *lhs, *rhs;
|
|
double d1 =0.0, d2=0.0;
|
|
|
|
if (!PL_get_arg(1, t, targ))
|
|
return NULL;
|
|
lhs = term_to_python(targ, false);
|
|
if (!PL_get_arg(2, t, targ))
|
|
return NULL;
|
|
rhs = term_to_python(targ, false);
|
|
if (lhs == NULL || rhs == NULL)
|
|
return NULL;
|
|
if (PyFloat_Check(lhs)) {
|
|
d1 = PyFloat_AsDouble(lhs);
|
|
} else if (PyLong_Check(lhs)) {
|
|
d1 = PyLong_AsDouble(lhs);
|
|
#if PY_MAJOR_VERSION < 3
|
|
} else if (PyInt_Check(lhs)) {
|
|
d1 = PyInt_AsLong(lhs);
|
|
#endif
|
|
} else {
|
|
lhs = NULL;
|
|
}
|
|
if (PyFloat_Check(rhs)) {
|
|
d2 = PyFloat_AsDouble(rhs);
|
|
} else if (PyLong_Check(rhs)) {
|
|
d2 = PyLong_AsDouble(rhs);
|
|
#if PY_MAJOR_VERSION < 3
|
|
} else if (PyInt_Check(rhs)) {
|
|
d2 = PyInt_AsLong(rhs);
|
|
#endif
|
|
} else {
|
|
lhs = NULL;
|
|
}
|
|
if (lhs && rhs)
|
|
return PyComplex_FromDoubles(d1, d2);
|
|
} else if (fun == FUNCTOR_curly1) {
|
|
term_t targ = PL_new_term_ref(), taux = PL_new_term_ref();
|
|
PyObject *dict;
|
|
|
|
if (!PL_get_arg(1, t, t))
|
|
return NULL;
|
|
if (!(dict = PyDict_New()))
|
|
return NULL;
|
|
while (PL_is_functor(t, FUNCTOR_comma2)) {
|
|
if (!PL_get_arg(1, t, targ))
|
|
return NULL;
|
|
if (PL_is_functor(targ, FUNCTOR_colon2)) {
|
|
if (!copy_to_dictionary(dict, targ, taux, false))
|
|
return NULL;
|
|
if (!PL_get_arg(2, t, t))
|
|
return NULL;
|
|
} else {
|
|
return NULL;
|
|
}
|
|
}
|
|
if (PL_is_functor(t, FUNCTOR_colon2)) {
|
|
if (!copy_to_dictionary(dict, t, taux, false))
|
|
return NULL;
|
|
} else {
|
|
return NULL;
|
|
}
|
|
return dict;
|
|
} else if (fun == FUNCTOR_sqbrackets2) {
|
|
//
|
|
term_t targ = PL_new_term_ref(), trhs = PL_new_term_ref();
|
|
PyObject *v;
|
|
Py_ssize_t min, max;
|
|
|
|
if (!PL_get_arg(1, t, targ))
|
|
return NULL;
|
|
v = term_to_python(targ, true);
|
|
if (!PL_get_arg(2, t, targ) || !PL_get_list(targ, trhs, targ))
|
|
return NULL;
|
|
if (PL_is_functor(targ, FUNCTOR_colon2)) {
|
|
if (!PL_get_arg(1, trhs, targ))
|
|
return NULL;
|
|
min = get_p_int(term_to_python(targ, true), 0);
|
|
if (!PL_get_arg(2, trhs, targ))
|
|
return NULL;
|
|
if (PL_is_functor(targ, FUNCTOR_colon2)) {
|
|
return NULL;
|
|
}
|
|
max = get_p_int(term_to_python(targ, true), PyObject_Size(v));
|
|
if (!PySequence_Check(v))
|
|
return NULL;
|
|
return PySequence_GetSlice(v, min, max);
|
|
}
|
|
} else if (fun == FUNCTOR_dot2) {
|
|
term_t tleft = PL_new_term_ref();
|
|
PyObject *o = py_Main;
|
|
while (fun == FUNCTOR_dot2) {
|
|
if (!PL_get_arg(1, t, tleft))
|
|
return FALSE;
|
|
o = find_obj(o, tleft);
|
|
if (!o)
|
|
return FALSE;
|
|
if (!PL_get_arg(2, t, t))
|
|
return FALSE;
|
|
if (!PL_get_functor(t, &fun))
|
|
break;
|
|
}
|
|
}
|
|
if (!arity) {
|
|
char *s;
|
|
|
|
if (!PL_get_atom_chars(t, &s) )
|
|
return NULL;
|
|
// this should never happen
|
|
return term_to_python( t, false);
|
|
} else {
|
|
#if PY_MAJOR_VERSION >= 3
|
|
const char *s;
|
|
if (!(s = PL_atom_chars(name)))
|
|
return NULL;
|
|
return term_to_nametuple(s, arity, t);
|
|
#else
|
|
PyObject *c, *o1;
|
|
o = PyTuple_New(arity);
|
|
tleft = PL_new_term_ref();
|
|
for (i = 0; i < arity; i++) {
|
|
PyObject *pArg;
|
|
if (!PL_get_arg(i + 1, t, tleft))
|
|
return NULL;
|
|
pArg = term_to_python(tleft, false);
|
|
if (pArg == NULL)
|
|
return NULL;
|
|
/* pArg reference stolen here: */
|
|
PyTuple_SET_ITEM(o, i, pArg);
|
|
}
|
|
if (PyObject_HasAttrString(py_Yapex, "T"))
|
|
c = PyObject_GetAttrString(py_Yapex, "T");
|
|
o1 = PyTuple_New(2);
|
|
PyTuple_SET_ITEM(o1, 0, PyUnicode_FromString(s));
|
|
PyTuple_SET_ITEM(o1, 1, o);
|
|
return o1;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
PyObject *compound_to_pyeval(term_t t, functor_t fun) {
|
|
if (fun == FUNCTOR_dollar1) {
|
|
char *s;
|
|
term_t targ = PL_new_term_ref();
|
|
if (!PL_get_arg(1, t, targ))
|
|
return NULL;
|
|
if (!PL_get_atom_chars(targ, &s))
|
|
return NULL;
|
|
/* return __main__,s */
|
|
return PyObject_GetAttrString(py_Main, s);
|
|
} else if (fun == FUNCTOR_pointer1) {
|
|
void *ptr;
|
|
term_t targ = PL_new_term_ref();
|
|
|
|
if (!PL_get_arg(1, t, targ))
|
|
return NULL;
|
|
if (!PL_get_pointer(targ, &ptr))
|
|
return NULL;
|
|
/* return __main__,s */
|
|
return (PyObject *)ptr;
|
|
} else if (fun == FUNCTOR_brackets1) {
|
|
if (!PL_get_arg(1, t, t))
|
|
return NULL;
|
|
return term_to_python(t, true);
|
|
} else if (fun == FUNCTOR_abs1) {
|
|
return bip_abs(t);
|
|
} else if (fun == FUNCTOR_all1) {
|
|
return bip_all(t);
|
|
} else if (fun == FUNCTOR_any1) {
|
|
return bip_any(t);
|
|
} else if (fun == FUNCTOR_bin1) {
|
|
return bip_bin(t);
|
|
} else if (fun == FUNCTOR_ord1) {
|
|
return bip_ord(t);
|
|
} else if (fun == FUNCTOR_int1) {
|
|
return bip_int(t);
|
|
} else if (fun == FUNCTOR_long1) {
|
|
return bip_long(t);
|
|
} else if (fun == FUNCTOR_float1) {
|
|
return bip_float(t, true);
|
|
} else if (fun == FUNCTOR_iter1) {
|
|
return bip_iter(t);
|
|
} else if (fun == FUNCTOR_range1 || fun == FUNCTOR_range2 ||
|
|
fun == FUNCTOR_range3) {
|
|
return bip_range(t);
|
|
} else if (fun == FUNCTOR_sum1) {
|
|
return bip_sum(t);
|
|
} else if (fun == FUNCTOR_len1) {
|
|
term_t targ = PL_new_term_ref();
|
|
PyObject *ptr;
|
|
|
|
if (!PL_get_arg(1, t, targ))
|
|
return NULL;
|
|
ptr = term_to_python(targ, true);
|
|
return PyLong_FromLong(PyObject_Length(ptr));
|
|
} else if (fun == FUNCTOR_dir1) {
|
|
term_t targ = PL_new_term_ref();
|
|
PyObject *ptr;
|
|
|
|
if (!PL_get_arg(1, t, targ))
|
|
return NULL;
|
|
ptr = term_to_python(targ, true);
|
|
return PyObject_Dir(ptr);
|
|
} else if (fun == FUNCTOR_complex2) {
|
|
term_t targ = PL_new_term_ref();
|
|
PyObject *lhs, *rhs;
|
|
double d1, d2;
|
|
|
|
if (!PL_get_arg(1, t, targ))
|
|
return NULL;
|
|
lhs = term_to_python(targ, true);
|
|
if (!PyNumber_Check(lhs))
|
|
return NULL;
|
|
if (PyFloat_Check(lhs)) {
|
|
d1 = PyFloat_AsDouble(lhs);
|
|
} else if (PyLong_Check(lhs)) {
|
|
d1 = PyLong_AsLong(lhs);
|
|
#if PY_MAJOR_VERSION < 3
|
|
} else if (PyInt_Check(lhs)) {
|
|
d1 = PyInt_AsLong(lhs);
|
|
#endif
|
|
} else {
|
|
return NULL;
|
|
}
|
|
if (!PL_get_arg(2, t, targ))
|
|
return NULL;
|
|
rhs = term_to_python(targ, true);
|
|
if (!PyNumber_Check(rhs))
|
|
return NULL;
|
|
if (PyFloat_Check(rhs)) {
|
|
d2 = PyFloat_AsDouble(rhs);
|
|
} else if (PyLong_Check(rhs)) {
|
|
d2 = PyLong_AsLong(rhs);
|
|
#if PY_MAJOR_VERSION < 3
|
|
} else if (PyInt_Check(rhs)) {
|
|
d2 = PyInt_AsLong(rhs);
|
|
#endif
|
|
} else {
|
|
return NULL;
|
|
}
|
|
|
|
return PyComplex_FromDoubles(d1, d2);
|
|
} else if (fun == FUNCTOR_curly1) {
|
|
term_t targ = PL_new_term_ref(), taux = PL_new_term_ref();
|
|
PyObject *dict;
|
|
|
|
if (!PL_get_arg(1, t, t))
|
|
return NULL;
|
|
if (!(dict = PyDict_New()))
|
|
return NULL;
|
|
while (PL_is_functor(t, FUNCTOR_comma2)) {
|
|
if (!PL_get_arg(1, t, targ))
|
|
return NULL;
|
|
if (PL_is_functor(targ, FUNCTOR_colon2)) {
|
|
if (!copy_to_dictionary(dict, targ, taux, true))
|
|
return NULL;
|
|
if (!PL_get_arg(2, t, t))
|
|
return NULL;
|
|
} else {
|
|
return NULL;
|
|
}
|
|
}
|
|
if (PL_is_functor(t, FUNCTOR_colon2)) {
|
|
if (!copy_to_dictionary(dict, t, taux, true))
|
|
return NULL;
|
|
} else {
|
|
return NULL;
|
|
}
|
|
return dict;
|
|
} else if (fun == FUNCTOR_plus2) {
|
|
term_t targ = PL_new_term_ref();
|
|
PyObject *lhs, *rhs;
|
|
|
|
if (!PL_get_arg(1, t, targ))
|
|
return NULL;
|
|
lhs = term_to_python(targ, true);
|
|
if (!PL_get_arg(2, t, targ))
|
|
return NULL;
|
|
rhs = term_to_python(targ, true);
|
|
if (PySequence_Check(lhs) && PySequence_Check(rhs)) {
|
|
return PySequence_Concat(lhs, rhs);
|
|
}
|
|
if (!PyNumber_Check(lhs))
|
|
return NULL;
|
|
if (!PyNumber_Check(rhs))
|
|
return NULL;
|
|
return PyNumber_Add(lhs, rhs);
|
|
} else if (fun == FUNCTOR_sub2) {
|
|
term_t targ = PL_new_term_ref();
|
|
PyObject *lhs, *rhs;
|
|
|
|
if (!PL_get_arg(1, t, targ))
|
|
return NULL;
|
|
lhs = term_to_python(targ, true);
|
|
if (!PyNumber_Check(lhs))
|
|
return NULL;
|
|
if (!PL_get_arg(2, t, targ))
|
|
return NULL;
|
|
rhs = term_to_python(targ, true);
|
|
if (!PyNumber_Check(rhs))
|
|
return NULL;
|
|
return PyNumber_Subtract(lhs, rhs);
|
|
} else if (fun == FUNCTOR_mul2) {
|
|
term_t targ = PL_new_term_ref();
|
|
PyObject *lhs, *rhs;
|
|
|
|
if (!PL_get_arg(1, t, targ))
|
|
return NULL;
|
|
lhs = term_to_python(targ, true);
|
|
if (!PL_get_arg(2, t, targ))
|
|
return NULL;
|
|
rhs = term_to_python(targ, true);
|
|
if (PySequence_Check(lhs) && (
|
|
#if PY_MAJOR_VERSION < 3
|
|
PyInt_Check(rhs) ||
|
|
#endif
|
|
PyLong_Check(rhs))) {
|
|
return PySequence_Repeat(lhs, get_p_int(rhs, 0));
|
|
}
|
|
if (!PyNumber_Check(lhs) + !PyNumber_Check(rhs))
|
|
return NULL;
|
|
return PyNumber_Multiply(lhs, rhs);
|
|
} else if (fun == FUNCTOR_div2) {
|
|
term_t targ = PL_new_term_ref();
|
|
PyObject *lhs, *rhs;
|
|
|
|
if (!PL_get_arg(1, t, targ))
|
|
return NULL;
|
|
lhs = term_to_python(targ, true);
|
|
if (!PyNumber_Check(lhs))
|
|
return NULL;
|
|
if (!PL_get_arg(2, t, targ))
|
|
return NULL;
|
|
rhs = term_to_python(targ, true);
|
|
if (!PyNumber_Check(rhs))
|
|
return NULL;
|
|
#if PY_MAJOR_VERSION < 3
|
|
return PyNumber_Divide(lhs, rhs);
|
|
#else
|
|
return PyNumber_TrueDivide(lhs, rhs);
|
|
#endif
|
|
} else if (fun == FUNCTOR_sqbrackets2) {
|
|
//
|
|
term_t targ = PL_new_term_ref(), trhs = PL_new_term_ref();
|
|
PyObject *v;
|
|
Py_ssize_t min, max;
|
|
|
|
if (!PL_get_arg(1, t, targ))
|
|
return NULL;
|
|
v = term_to_python(targ, true);
|
|
if (!PL_get_arg(2, t, targ) || !PL_get_list(targ, trhs, targ))
|
|
return NULL;
|
|
if (PL_is_functor(targ, FUNCTOR_colon2)) {
|
|
if (!PL_get_arg(1, trhs, targ))
|
|
return NULL;
|
|
min = get_p_int(term_to_python(targ, true), 0);
|
|
if (!PL_get_arg(2, trhs, targ))
|
|
return NULL;
|
|
if (PL_is_functor(targ, FUNCTOR_colon2)) {
|
|
return NULL;
|
|
}
|
|
max = get_p_int(term_to_python(targ, true), PyObject_Size(v));
|
|
if (!PySequence_Check(v))
|
|
return NULL;
|
|
return PySequence_GetSlice(v, min, max);
|
|
}
|
|
} else if (fun == FUNCTOR_dot2) {
|
|
term_t tleft = PL_new_term_ref();
|
|
PyObject *pArgs, *o;
|
|
long i;
|
|
int arity;
|
|
atom_t name;
|
|
|
|
o = NULL;
|
|
while (fun == FUNCTOR_dot2) {
|
|
if (!PL_get_arg(1, t, tleft))
|
|
return FALSE;
|
|
o = find_obj(o, tleft);
|
|
if (!o)
|
|
return FALSE;
|
|
if (!PL_get_arg(2, t, t))
|
|
return FALSE;
|
|
if (!PL_get_functor(t, &fun))
|
|
break;
|
|
}
|
|
if (!PL_get_name_arity(t, &name, &arity)) {
|
|
return NULL;
|
|
}
|
|
if (!arity) {
|
|
char *s;
|
|
PyObject *pValue;
|
|
|
|
if (!PL_get_atom_chars(t, &s))
|
|
return NULL;
|
|
if ((pValue = PyObject_GetAttrString(o, s)) == NULL) {
|
|
PyErr_Print();
|
|
return NULL;
|
|
}
|
|
return pValue;
|
|
}
|
|
o = PyObject_GetAttrString(o, PL_atom_chars(name));
|
|
if (!o || !PyCallable_Check(o)) {
|
|
return NULL;
|
|
}
|
|
pArgs = PyTuple_New(arity);
|
|
for (i = 0; i < arity; i++) {
|
|
PyObject *pArg;
|
|
if (!PL_get_arg(i + 1, t, tleft))
|
|
return NULL;
|
|
/* ignore (_) */
|
|
if (i == 0 && PL_is_variable(tleft)) {
|
|
Py_DECREF(pArgs);
|
|
pArgs = NULL;
|
|
}
|
|
pArg = term_to_python(tleft, true);
|
|
if (pArg == NULL)
|
|
return NULL;
|
|
/* pArg reference stolen here: */
|
|
PyTuple_SetItem(pArgs, i, pArg);
|
|
}
|
|
return PyObject_CallObject(o, pArgs);
|
|
} else {
|
|
atom_t name;
|
|
int len;
|
|
|
|
if (!PL_get_name_arity(t, &name, &len)) {
|
|
return NULL;
|
|
}
|
|
if (name == ATOM_t) {
|
|
term_t targ = PL_new_term_ref();
|
|
PyObject *out;
|
|
int i;
|
|
|
|
out = PyTuple_New(len);
|
|
if (!out)
|
|
return NULL;
|
|
for (i = 0; i < len; i++) {
|
|
if (!PL_get_arg(i + 1, t, targ)) {
|
|
return NULL;
|
|
}
|
|
PyErr_Clear();
|
|
PyObject *oa = term_to_python(targ, true);
|
|
PyObject *rc = PyTuple_SET_ITEM(out, i, oa);
|
|
if (rc)
|
|
PyErr_Print();
|
|
}
|
|
return out;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|