113 lines
2.9 KiB
C
113 lines
2.9 KiB
C
#ifdef _XOPEN_SOURCE
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#undef _XOPEN_SOURCE // python does its own thing
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#endif
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#include <Python.h>
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#include <SWI-Prolog.h>
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#ifdef HAVE_STAT
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#undef HAVE_STATa
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#endif
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#include <assert.h>
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//@{
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/** @brief Prolog to Python library
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*
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*
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* Please look at python.pl for more information, and to real.pl and real.c
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* for related work.
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*/
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typedef YAP_Arity arity_t;
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extern atom_t ATOM_true, ATOM_false, ATOM_colon, ATOM_dot, ATOM_none, ATOM_t,
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ATOM_comma, ATOM_builtin, ATOM_V, ATOM_A;
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extern functor_t FUNCTOR_dollar1, FUNCTOR_abs1, FUNCTOR_all1, FUNCTOR_any1,
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FUNCTOR_bin1, FUNCTOR_brackets1, FUNCTOR_comma2, FUNCTOR_dir1,
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FUNCTOR_float1, FUNCTOR_int1, FUNCTOR_iter1, FUNCTOR_iter2, FUNCTOR_long1,
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FUNCTOR_len1, FUNCTOR_curly1, FUNCTOR_ord1, FUNCTOR_range1, FUNCTOR_range2,
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FUNCTOR_range3, FUNCTOR_sum1, FUNCTOR_pointer1, FUNCTOR_complex2,
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FUNCTOR_plus2, FUNCTOR_sub2, FUNCTOR_mul2, FUNCTOR_div2, FUNCTOR_hat2,
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FUNCTOR_colon2, FUNCTOR_comma2, FUNCTOR_equal2, FUNCTOR_sqbrackets2,
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FUNCTOR_dot2;
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extern PyObject *py_Main;
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extern PyObject *py_Builtin;
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extern PyObject *py_Yapex;
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extern PyObject *py_F2P;
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static inline Py_ssize_t get_p_int(PyObject *o, Py_ssize_t def) {
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if (o == NULL)
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return def;
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if (PyLong_Check(o)) {
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return PyLong_AsLong(o);
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#if PY_MAJOR_VERSION < 3
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} else if (PyInt_Check(o)) {
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return PyInt_AsLong(o);
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#endif
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}
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return def;
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}
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static inline foreign_t address_to_term(PyObject *pVal, term_t t) {
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term_t to = PL_new_term_ref(), t1 = PL_new_term_ref();
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PL_put_pointer(t1, (void *)pVal);
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PL_cons_functor(to, FUNCTOR_pointer1, t1);
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Py_INCREF(pVal);
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foreign_t rc = PL_unify(t, to);
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PL_reset_term_refs(to);
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return rc;
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}
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static inline int proper_ascii_string(const char *s) {
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unsigned char c;
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while ((c = *s++)) {
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if (c > 127)
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return FALSE;
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}
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return TRUE;
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}
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static inline PyObject *atom_to_python_string(term_t t) {
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// Yap_DebugPlWrite(YAP_GetFromSlot(t)); fprintf(stderr, " here I
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// am\n");
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char *s;
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if (!PL_get_atom_chars(t, &s))
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return NULL;
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/* return __main__,s */
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#if PY_MAJOR_VERSION < 3
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if (proper_ascii_string(s)) {
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return PyString_FromStringAndSize(s, strlen(s));
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} else
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#endif
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{
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PyObject *pobj = PyUnicode_DecodeUTF8(s, strlen(s), NULL);
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// fprintf(stderr, "%s\n", s);
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return pobj;
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}
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}
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extern PyObject *compound_to_pyeval(term_t t, functor_t fun);
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extern PyObject *compound_to_pytree(term_t t, functor_t fun);
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extern PyObject *term_to_python(term_t t, bool eval);
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extern foreign_t python_to_ptr(PyObject *pVal, term_t t);
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foreign_t python_to_term(PyObject *pVal, term_t t);
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foreign_t assign_to_symbol(term_t t, PyObject *e);
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int assign_python(PyObject *root, term_t t, PyObject *e);
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extern foreign_t python_builtin(term_t out);
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extern PyObject *ActiveModules[32];
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extern int active_modules;
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extern install_t install_pypreds(void);
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extern install_t install_pl2pl(void);
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extern bool init_python(void);
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extern PyObject PyInit_yap(void);
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