116 lines
3.0 KiB
C
116 lines
3.0 KiB
C
#ifdef _XOPEN_SOURCE
|
|
#undef _XOPEN_SOURCE // python does its own thing
|
|
#endif
|
|
#include <Python.h>
|
|
#include <SWI-Prolog.h>
|
|
#ifdef HAVE_STAT
|
|
#undef HAVE_STATa
|
|
#endif
|
|
#include <assert.h>
|
|
#define EXTRA_MESSSAGES 1
|
|
|
|
//@{
|
|
|
|
/** @brief Prolog to Python library
|
|
*
|
|
*
|
|
* Please look at python.pl for more information, and to real.pl and real.c
|
|
* for related work.
|
|
*/
|
|
|
|
typedef YAP_Arity arity_t;
|
|
|
|
extern atom_t ATOM_true, ATOM_false, ATOM_colon, ATOM_dot, ATOM_none, ATOM_t,
|
|
ATOM_comma, ATOM_builtin, ATOM_V, ATOM_A, ATOM_self;
|
|
|
|
extern functor_t FUNCTOR_dollar1, FUNCTOR_abs1, FUNCTOR_all1, FUNCTOR_any1,
|
|
FUNCTOR_bin1, FUNCTOR_brackets1, FUNCTOR_comma2, FUNCTOR_dir1,
|
|
FUNCTOR_float1, FUNCTOR_int1, FUNCTOR_iter1, FUNCTOR_iter2, FUNCTOR_long1,
|
|
FUNCTOR_len1, FUNCTOR_curly1, FUNCTOR_ord1, FUNCTOR_range1, FUNCTOR_range2,
|
|
FUNCTOR_range3, FUNCTOR_sum1, FUNCTOR_pointer1, FUNCTOR_complex2,
|
|
FUNCTOR_plus2, FUNCTOR_sub2, FUNCTOR_mul2, FUNCTOR_div2, FUNCTOR_hat2,
|
|
FUNCTOR_colon2, FUNCTOR_comma2, FUNCTOR_equal2, FUNCTOR_sqbrackets2,
|
|
FUNCTOR_dot2;
|
|
|
|
extern PyObject *py_Main;
|
|
extern PyObject *py_Builtin;
|
|
extern PyObject *py_Yapex;
|
|
extern PyObject *py_F2P;
|
|
|
|
extern bool python_in_python;
|
|
|
|
static inline Py_ssize_t get_p_int(PyObject *o, Py_ssize_t def) {
|
|
if (o == NULL)
|
|
return def;
|
|
if (PyLong_Check(o)) {
|
|
return PyLong_AsLong(o);
|
|
#if PY_MAJOR_VERSION < 3
|
|
} else if (PyInt_Check(o)) {
|
|
return PyInt_AsLong(o);
|
|
#endif
|
|
}
|
|
return def;
|
|
}
|
|
|
|
static inline foreign_t address_to_term(PyObject *pVal, term_t t) {
|
|
term_t to = PL_new_term_ref(), t1 = PL_new_term_ref();
|
|
PL_put_pointer(t1, (void *)pVal);
|
|
PL_cons_functor(to, FUNCTOR_pointer1, t1);
|
|
Py_INCREF(pVal);
|
|
foreign_t rc = PL_unify(t, to);
|
|
PL_reset_term_refs(to);
|
|
return rc;
|
|
}
|
|
|
|
static inline int proper_ascii_string(const char *s) {
|
|
unsigned char c;
|
|
|
|
while ((c = *s++)) {
|
|
if (c > 127)
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
static inline PyObject *atom_to_python_string(term_t t) {
|
|
// Yap_DebugPlWrite(YAP_GetFromSlot(t)); fprintf(stderr, " here I
|
|
// am\n");
|
|
char *s;
|
|
if (!PL_get_atom_chars(t, &s))
|
|
return NULL;
|
|
/* return __main__,s */
|
|
#if PY_MAJOR_VERSION < 3
|
|
if (proper_ascii_string(s)) {
|
|
return PyString_FromStringAndSize(s, strlen(s));
|
|
} else
|
|
#endif
|
|
{
|
|
PyObject *pobj = PyUnicode_DecodeUTF8(s, strlen(s), NULL);
|
|
// fprintf(stderr, "%s\n", s);
|
|
return pobj;
|
|
}
|
|
}
|
|
|
|
extern PyObject *compound_to_pyeval(term_t t, functor_t fun);
|
|
extern PyObject *compound_to_pytree(term_t t, functor_t fun);
|
|
|
|
extern PyObject *term_to_python(term_t t, bool eval);
|
|
extern foreign_t python_to_ptr(PyObject *pVal, term_t t);
|
|
|
|
foreign_t python_to_term(PyObject *pVal, term_t t);
|
|
foreign_t assign_to_symbol(term_t t, PyObject *e);
|
|
|
|
int assign_python(PyObject *root, term_t t, PyObject *e);
|
|
|
|
extern foreign_t python_builtin(term_t out);
|
|
|
|
extern PyObject *ActiveModules[32];
|
|
extern int active_modules;
|
|
|
|
extern install_t install_pypreds(void);
|
|
extern install_t install_pl2pl(void);
|
|
|
|
extern bool init_python(void);
|
|
|
|
extern PyObject PyInit_yap(void);
|