This commit is contained in:
Vitor Santoss Costa 2017-07-03 21:18:05 +01:00
commit efaf86c675
7 changed files with 603 additions and 463 deletions

View File

@ -150,19 +150,19 @@ PyObject *term_to_python(term_t t, bool eval, PyObject *o) {
out = PyList_New(len);
if (!out) {
PL_reset_term_refs(tail);
return CHECKNULL(t, Py_None);
YAPPy_ThrowError(SYSTEM_ERROR_INTERNAL, t, "list->python");
}
for (i = 0; i < len; i++) {
if (!PL_get_list(t, arg, t)) {
PL_reset_term_refs(tail);
return Py_None;
YAPPy_ThrowError(SYSTEM_ERROR_INTERNAL, t, "list->python");
}
a = term_to_python(arg, eval, o);
if (a) {
if (PyList_SetItem(out, i, a) < 0) {
PL_reset_term_refs(tail);
return Py_None;
YAPPy_ThrowError(SYSTEM_ERROR_INTERNAL, t, "list->python");
}
}
}
@ -170,11 +170,33 @@ PyObject *term_to_python(term_t t, bool eval, PyObject *o) {
return CHECKNULL(t, out);
} else {
functor_t fun;
atom_t name;
int arity;
PyObject *rc;
if (!PL_get_functor(t, &fun)) {
PL_reset_term_refs(tail);
return CHECKNULL(t, Py_None);
YAPPy_ThrowError(SYSTEM_ERROR_INTERNAL, t, "list->python");
}
AOK(PL_get_name_arity(t, &name, &arity), NULL);
if (name == ATOM_t) {
int i;
rc = PyTuple_New(arity);
for (i = 0; i < len; i++) {
term_t arg = PL_new_term_ref();
if (!PL_get_arg(i+1, t, arg)) {
PL_reset_term_refs(arg);
YAPPy_ThrowError(SYSTEM_ERROR_INTERNAL, t, "t(...)->python");
}
PyObject *a = term_to_python(arg, eval, o);
if (a) {
if (PyTuple_SetItem(rc, i, a) < 0) {
PL_reset_term_refs(arg);
YAPPy_ThrowError(SYSTEM_ERROR_INTERNAL, t, "t(...)->python");
}
}
PL_reset_term_refs(arg);
}
}
if (eval)
rc = compound_to_pyeval(t, o);
@ -185,7 +207,7 @@ PyObject *term_to_python(term_t t, bool eval, PyObject *o) {
}
}
}
return CHECKNULL(t, Py_None);
return Py_None;
}
PyObject *yap_to_python(YAP_Term t, bool eval, PyObject *o) {
@ -209,3 +231,7 @@ PyObject *deref_term_to_python(term_t t) {
}
return term_to_python(t, false, NULL);
}
void YAPPy_ThrowError__(const char *file, const char *function, int lineno,
yap_error_number type, term_t where, ...);

View File

@ -1,5 +1,55 @@
#include "py4yap.h"
#include <frameobject.h>
void YAPPy_ThrowError__(const char *file, const char *function, int lineno,
yap_error_number type, term_t where, ...) {
va_list ap;
char tmpbuf[MAXPATHLEN];
YAP_Term wheret = YAP_GetFromSlot(where);
if (PyErr_Occurred()) {
PyErr_Print();
} else {
PyObject *ptype, *pvalue, *ptraceback;
PyObject *pystr, *module_name, *pyth_module, *pyth_func;
/* See if we can get a full traceback */
module_name = PyUnicode_FromString("traceback");
pyth_module = PyImport_Import(module_name);
Py_DECREF(module_name);
if (pyth_module != NULL) {
pyth_func = PyObject_GetAttrString(pyth_module, "format_exception");
if (pyth_func && PyCallable_Check(pyth_func)) {
PyObject *pyth_val;
pyth_val = PyObject_CallFunctionObjArgs(pyth_func, ptype, pvalue, ptraceback, NULL);
pystr = PyObject_Str(pyth_val);
fprintf(stderr, "%s", PyUnicode_AsUTF8(pystr));
Py_DECREF(pyth_val);
}
}
}
PyFrameObject *fr;
if ((fr = PyEval_GetFrame())) {
fprintf(stderr, "at frame %p, line %d\n", fr, PyFrame_GetLineNumber(fr));
}
va_start(ap, where);
char *format = va_arg(ap, char *);
if (format != NULL) {
#if HAVE_VSNPRINTF
(void)vsnprintf(tmpbuf, MAXPATHLEN - 1, format, ap);
#else
(void)vsprintf(tnpbuf, format, ap);
#endif
// fprintf(stderr, "warning: ");
Yap_ThrowError__(file, function, lineno, type, wheret, tmpbuf);
} else {
Yap_ThrowError__(file, function, lineno, type, wheret);
}
}
static foreign_t repr_term(PyObject *pVal, term_t t) {
term_t to = PL_new_term_ref(), t1 = PL_new_term_ref();

View File

@ -197,4 +197,9 @@ extern PyObject *PythonLookup(const char *s, PyObject *o);
extern PyObject *PythonLookupSpecial(const char *s);
#define YAPPy_ThrowError(id, inp, ...) \
YAPPy_ThrowError__(__FILE__, __FUNCTION__, __LINE__, id, inp, __VA_ARGS__)
extern void YAPPy_ThrowError__(const char *file, const char *function, int lineno,
yap_error_number type, term_t where, ...);
#endif

View File

@ -716,17 +716,19 @@ PyObject *term_to_nametuple(const char *s, arity_t arity, PyObject *tuple) {
desc->n_in_sequence = arity;
if (PyStructSequence_InitType2(typp, desc) < 0)
return NULL;
typp->tp_flags &= ~Py_TPFLAGS_HEAPTYPE;
// typp->tp_flags &= ~Py_TPFLAGS_HEAPTYPE;
// typp->tp_flags &= ~Py_TPFLAGS_HAVE_GC;
// typp->tp_str = structseq_str;
typp->tp_repr = structseq_repr;
// typp = PyStructSequence_NewType(desc);
// don't do this: we cannot add a type as an atribute.
// PyModule_AddObject(py_Main, s, (PyObject *)typp);
// PyModule_AddGObject(py_Main, s, (PyObject *)typp);
if (py_F2P)
PyDict_SetItem(py_F2P, key, (PyObject *)typp);
Py_INCREF(typp);
}
o = PyStructSequence_New(typp);
Py_INCREF(typp);
arity_t i;
for (i = 0; i < arity; i++) {
PyObject *pArg = PyTuple_GET_ITEM(tuple, i);
@ -747,7 +749,7 @@ PyObject *term_to_nametuple(const char *s, arity_t arity, PyObject *tuple) {
#endif
}
static PyObject *bip_range(term_t t) {
static PyObject *bip_range(term_t t) {
long ilow = 0, ihigh = 0, istep = 1;
long bign;
Py_ssize_t i, n;
@ -802,9 +804,9 @@ static PyObject *bip_range(term_t t) {
ilow += istep;
}
return v;
}
}
static bool copy_to_dictionary(PyObject *dict, term_t targ, term_t taux,
static bool 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();
@ -838,9 +840,9 @@ static bool copy_to_dictionary(PyObject *dict, term_t targ, term_t taux,
// PyObject_Print(dict, stderr, 0); fprintf(stderr,"\n");
// Py_DECREF(lhs);
// Py_DECREF(rhs);
}
}
PyObject *compound_to_data(term_t t, PyObject *o, functor_t fun, bool exec) {
PyObject *compound_to_data(term_t t, PyObject *o, functor_t fun, bool exec) {
atom_t name;
int len;
@ -1013,9 +1015,9 @@ PyObject *compound_to_data(term_t t, PyObject *o, functor_t fun, bool exec) {
return dict;
}
return o;
}
}
PyObject *compound_to_pytree(term_t t, PyObject *context) {
PyObject *compound_to_pytree(term_t t, PyObject *context) {
PyObject *o = py_Main, *no;
functor_t fun;
atom_t name;
@ -1069,9 +1071,9 @@ PyObject *compound_to_pytree(term_t t, PyObject *context) {
}
return term_to_nametuple(s, arity, out);
}
}
}
PyObject *compound_to_pyeval(term_t t, PyObject *context) {
PyObject *compound_to_pyeval(term_t t, PyObject *context) {
PyObject *o = NULL, *no;
atom_t name;
int arity;
@ -1236,4 +1238,4 @@ PyObject *compound_to_pyeval(term_t t, PyObject *context) {
return rc;
}
}
}

View File

@ -125,8 +125,7 @@ static void add_modules(void) {
py_Yapex = PyImport_AddModule("yap4py.yapi");
if (py_Yapex)
Py_INCREF(py_Yapex);
//py_F2P = PyObject_GetAttrString(py_Yap, "globals");
py_F2P = NULL;
py_F2P = PyDict_New();
init_python_stream();
}

View File

@ -75,7 +75,8 @@ add_custom_target( YAP4PY_SETUP_DIRS
COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_CURRENT_BINARY_DIR}/yap4py/prolog/os
)
add_custom_target( YAP4PY ALL
add_custom_target( YAP4PY ALL
COMMAND ${PYTHON_EXECUTABLE} -m pip uninstall -y YAP4PY
COMMAND ${SWIG_EXECUTABLE} -python -modern -c++ -py3 -DX_API -I${CMAKE_SOURCE_DIR}/CXX -I${CMAKE_SOURCE_DIR}/include -I${CMAKE_SOURCE_DIR}/H -I${CMAKE_SOURCE_DIR}/H/generated -I${CMAKE_SOURCE_DIR}/OPTYap -I../../.. -o yap_wrap.cpp yap.i
COMMAND ${PYTHON_EXECUTABLE} setup.py sdist bdist_wheel
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
@ -83,8 +84,9 @@ DEPENDS YAP4PY_SETUP)
install(CODE "execute_process(COMMAND ${PYTHON_EXECUTABLE} -m pip install --force --no-index -f dist yap4py
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})"
install(CODE "execute_process(
COMMAND ${PYTHON_EXECUTABLE} -m pip install --force --no-index -f packages/python/swig/dist YAP4PY
WORKING_DIRECTORY ${CMAKE_BINARY_DIR})"
DEPENDS Py4YAP ${CMAKE_BINARY_DIR}/${YAP_STARTUP} ${dlls} )
install(FILES ${PROLOG_SOURCES} DESTINATION ${libpl})

View File

@ -7,11 +7,12 @@ from collections import namedtuple
from yap import *
class Engine( YAPEngine ):
def __init__(self, args=None):
def __init__(self, args=None,**kwargs):
# type: (object) -> object
if not args:
args = YAPEngineArgs()
args = EngineArgs(**kwargs)
yap_lib_path = os.path.dirname(__file__)
args.setYapShareDir(os.path.join(yap_lib_path,"prolog"))
args.setYapLibDir(yap_lib_path)
@ -32,11 +33,55 @@ class Engine( YAPEngine ):
class EngineArgs( YAPEngineArgs ):
""" Interface to Engine Options class"""
def __init__(self, args=None,**kwargs):
super().__init__()
class Predicate( YAPPredicate ):
""" Interface to Generic Predicate"""
class Predicate:
"""Goal is a predicate instantiated under a specific environment """
def __init__( self, name, args, module=None, engine = None):
self = namedtuple( name, args )
if module:
self.p = YAPPredicate( name, len(self), module )
else:
self.p = YAPPredicate( name, len(self) )
self.e = engine
def goals( self, engine):
self.e = engine
def __iter__(self):
return PrologTableIter(self.e, self.p)
def holds(self):
return self.e.run(self._make_())
class PrologTableIter:
def __init__(self, e, goal):
try:
self.e = e
self.q = e.YAPQuery(goal)
except:
print('Error')
def __iter__(self):
# Iterators are iterables too.
# Adding this functions to make them so.
return self
def next(self):
if self.q.next():
return goal
else:
self.q.close()
self.q = None
raise StopIteration()
class PrologPredicate( YAPPrologPredicate ):
""" Interface to Prolog Predicate"""
@ -163,6 +208,17 @@ def live(**kwargs):
#
#
def boot_yap(**kwargs):
args = EngineArgs(**kwarg)
yap_lib_path = os.path.dirname(__file__)
args.setYapShareDir(os.path.join(yap_lib_path,"prolog"))
args.setYapLibDir(yap_lib_path)
args.setSavedState(os.path.join(yap_lib_path,"startup.yss"))
engine = YAPEngine(args)
engine.goal( set_prolog_flag('verbose', 'silent' ) )
engine.goal( use_module(library('yapi') ) )
return engine
if __name__ == "__main__":
engine = boot_yap()
handler = numbervars