Revision: 411
http://rpy.svn.sourceforge.net/rpy/?rev=411&view=rev
Author: lgautier
Date: 2008-03-02 11:52:28 -0800 (Sun, 02 Mar 2008)
Log Message:
-----------
Handling of VECSXP objects
Fixes in exception and subsequent exits
(there is something odd going on, with variable names
at the Python level suddenly pointing to nowhere - and
this often ends in a segfault :/ )
Modified Paths:
--------------
trunk/sandbox/rpy_nextgen/rinterface/rinterface.c
Modified: trunk/sandbox/rpy_nextgen/rinterface/rinterface.c
===================================================================
--- trunk/sandbox/rpy_nextgen/rinterface/rinterface.c 2008-03-02 19:49:05 UTC
(rev 410)
+++ trunk/sandbox/rpy_nextgen/rinterface/rinterface.c 2008-03-02 19:52:28 UTC
(rev 411)
@@ -8,7 +8,7 @@
* The authors for the original RPy code, as well as
* belopolsky for his contributed code, are listed here as authors;
* parts of this code is (sometimes shamelessly but with great
- * respect for the work) "inspired" from their contributions.
+ * respect for the work) "inspired/copied" from their contributions.
*
* FIXME: get everyone's name in the license block
*
@@ -157,19 +157,19 @@
Initialize an embedded R.");
-static PyObject* EmbeddedR_end(PyObject *self, PyObject *arg)
+static PyObject* EmbeddedR_end(PyObject *self, Py_ssize_t fatal)
{
//FIXME: Have a reference count for R objects known to Python.
//ending R will not be possible until all such objects are already
//deallocated in Python ?
//other possibility would be to have a fallback for "unreachable" objects ?
//FIXME: rpy has something to terminate R. Check the details of what they
are.
- if (! PyInt_Check(arg)) {
- } else {
- /* sanity checks needed ? */
- const long fatal = PyInt_AsLong(arg);
- Rf_endEmbeddedR((int)fatal);
- }
+ /* sanity checks needed ? */
+
+ Rf_endEmbeddedR((int)fatal);
+ globalEnv->sexp = R_EmptyEnv;
+ baseNameSpaceEnv->sexp = R_EmptyEnv;
+
Py_RETURN_NONE;
}
PyDoc_STRVAR(EmbeddedR_end_doc,
@@ -397,8 +397,10 @@
largs = PyObject_Length(args);
if (kwds)
lkwds = PyObject_Length(kwds);
- if ((largs<0) || (lkwds<0))
+ if ((largs<0) || (lkwds<0)) {
+ PyErr_Format(PyExc_ValueError, "Negative number of parameters !?.");
return NULL;
+ }
/* A SEXP with the function to call and the arguments and keywords. */
PROTECT(c_R = call_R = allocList(largs+lkwds+1));
@@ -431,8 +433,10 @@
}
for (arg_i=0; arg_i<lkwds; arg_i++) {
tmp_obj = PySequence_GetItem(citems, arg_i);
- if (! tmp_obj)
+ if (! tmp_obj) {
+ PyErr_Format(PyExc_ValueError, "No un-named item %i !?", arg_i);
goto fail;
+ }
argName = PyTuple_GetItem(tmp_obj, 0);
if (! PyString_Check(argName)) {
PyErr_SetString(PyExc_TypeError, "keywords must be strings");
@@ -465,7 +469,7 @@
//FIXME: standardize R outputs
extern void Rf_PrintWarnings(void);
Rf_PrintWarnings(); /* show any warning messages */
-
+
PyObject *res = (PyObject *)newSexpObject(res_R);
return res;
@@ -501,8 +505,8 @@
//FIXME: write more doc
PyDoc_STRVAR(ClosureSexp_Type_doc,
"A R object that is a closure, that is a function. \
-In R a function a function is defined in an enclosing \
-environement, thus the name of closure. \
+In R a function is defined within an enclosing \
+environment, thus the name closure. \
In Python, 'nested scopes' could be the closest similar thing.\
\n\
The closure can be accessed with the method 'closureEnv'.\
@@ -620,6 +624,9 @@
vs = CHARACTER_POINTER(STRING_ELT(*sexp, i_R));
res = PyString_FromString(vs);
break;
+ case VECSXP:
+ res = (PyObject *)newSexpObject(VECTOR_ELT(*sexp, i_R));
+ break;
default:
PyErr_Format(PyExc_ValueError, "cannot handle type %d",
TYPEOF(*sexp));
@@ -924,9 +931,12 @@
else {
sexp_ok = sexp;
}
+ if (sexp_ok)
+ R_PreserveObject(sexp_ok);
switch (TYPEOF(sexp_ok)) {
case CLOSXP:
+ case BUILTINSXP:
object = (SexpObject *)_PyObject_New(&ClosureSexp_Type);
break;
//FIXME: handle other callable types ?
@@ -940,7 +950,7 @@
case INTSXP:
case LGLSXP:
case CPLXSXP:
- case LISTSXP:
+ case VECSXP:
case STRSXP:
object = (SexpObject *)_PyObject_New(&VectorSexp_Type);
break;
@@ -954,11 +964,14 @@
object = (SexpObject *)_PyObject_New(&Sexp_Type);
break;
}
- if (!object)
+ if (!object) {
+ R_ReleaseObject(sexp_ok);
PyErr_NoMemory();
+ return NULL;
+ }
object->sexp = sexp_ok;
- if (sexp)
- R_PreserveObject(sexp_ok);
+ //FIXME: Increment reference ?
+ //Py_INCREF(object);
return object;
}
@@ -974,7 +987,7 @@
}
const Py_ssize_t length = PySequence_Fast_GET_SIZE(seq_object);
//FIXME: PROTECT THIS ?
- sexp = allocVector(rType, length);
+ PROTECT(sexp = allocVector(rType, length));
int i;
@@ -1032,9 +1045,9 @@
}
}
break;
- case LISTSXP:
+ case VECSXP:
for (i = 0; i < length; ++i) {
- if(item = PySequence_Fast_GET_ITEM(seq_object, i)) {
+ if((item = PySequence_Fast_GET_ITEM(seq_object, i))) {
int is_SexpObject = PyObject_TypeCheck(item, &Sexp_Type);
if (! is_SexpObject) {
PyErr_Format(PyExc_ValueError, "All elements of the list must be of "
@@ -1046,9 +1059,11 @@
}
//FIXME: add complex
default:
+ UNPROTECT(1);
PyErr_Format(PyExc_ValueError, "cannot handle type %d", rType);
sexp = NULL;
}
+ UNPROTECT(1);
return sexp;
}
@@ -1168,7 +1183,7 @@
Py_DECREF(globalEnv);
baseNameSpaceEnv = (SexpObject*)_PyObject_New(&EnvironmentSexp_Type);
- globalEnv->sexp = R_EmptyEnv;
+ baseNameSpaceEnv->sexp = R_EmptyEnv;
if (PyDict_SetItemString(d, "baseNameSpaceEnv", (PyObject
*)baseNameSpaceEnv) < 0)
return;
//FIXME: DECREF ?
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