GV *p5_look_up_method(PerlInterpreter *my_perl, SV *obj, char *name) {
PERL_SET_CONTEXT(my_perl);
{
HV * const pkg = SvSTASH((SV*)SvRV(obj));
GV * const gv = Perl_gv_fetchmethod_autoload(aTHX_ pkg, name, TRUE);
if (gv && isGV(gv))
return gv;
return NULL;
}
}
SV *p5_call_parent_method(PerlInterpreter *my_perl, char *package, SV *obj, I32 context, char *name, int len, SV *args[], I32 *count, I32 *err, I32 *type) {
PERL_SET_CONTEXT(my_perl);
{
dSP;
int i;
SV * retval = NULL;
int flags = (context ? G_SCALAR : G_ARRAY) | G_EVAL;
ENTER;
SAVETMPS;
HV * const pkg = package != NULL ? gv_stashpv(package, 0) : SvSTASH((SV*)SvRV(obj));
GV * const gv = Perl_gv_fetchmethod_autoload(aTHX_ pkg, name, TRUE);
if (gv && isGV(gv)) {
PUSHMARK(SP);
if (len > 1) {
XPUSHs(package != NULL ? sv_2mortal(args[0]) : args[0]);
for (i = 1; i < len; i++) {
if (args[i] != NULL) /* skip Nil which gets turned into NULL */
XPUSHs(sv_2mortal(args[i]));
}
}
else if (len > 0)
if (args != NULL) /* skip Nil which gets turned into NULL */
XPUSHs(package != NULL ? sv_2mortal((SV*)args) : (SV*)args);
PUTBACK;
SV * const rv = sv_2mortal(newRV((SV*)GvCV(gv)));
*count = call_sv(rv, flags);
SPAGAIN;
handle_p5_error(err);
retval = pop_return_values(my_perl, sp, *count, type);
SPAGAIN;
}
else {
ERRSV = newSVpvf("Could not find method \"%s\" of \"%s\" object", name, HvNAME(pkg));
}
PUTBACK;
FREETMPS;
LEAVE;
return retval;
}
}
AV *p5_call_method(PerlInterpreter *my_perl, char *package, SV *obj, char *name, int len, SV *args[]) {
dSP;
int i;
AV * const retval = newAV();
int flags = G_ARRAY | G_EVAL;
PERL_SET_CONTEXT(my_perl);
ENTER;
SAVETMPS;
HV * const pkg = package != NULL ? gv_stashpv(package, 0) : SvSTASH((SV*)SvRV(obj));
GV * const gv = Perl_gv_fetchmethod_autoload(aTHX_ pkg, name, TRUE);
if (gv && isGV(gv)) {
I32 count;
PUSHMARK(SP);
for (i = 0; i < len; i++) {
XPUSHs(sv_2mortal(args[i]));
}
PUTBACK;
SV * const rv = sv_2mortal(newRV((SV*)GvCV(gv)));
count = call_sv(rv, flags);
SPAGAIN;
if (count > 0)
av_extend(retval, count - 1);
for (i = count - 1; i >= 0; i--) {
SV * const next = POPs;
SvREFCNT_inc(next);
if (av_store(retval, i, next) == NULL)
SvREFCNT_dec(next); /* see perlguts Working with AVs */
}
}
else {
ERRSV = newSVpvf("Could not find method \"%s\" of \"%s\" object", name, HvNAME(pkg));
}
PUTBACK;
FREETMPS;
LEAVE;
return retval;
}
/****************************
* SV* Py2Pl(PyObject *obj)
*
* Converts arbitrary Python data structures to Perl data structures
* Note on references: does not Py_DECREF(obj).
*
* Modifications by Eric Wilhelm 2004-07-11 marked as elw
*
****************************/
SV *Py2Pl(PyObject * const obj) {
/* elw: see what python says things are */
#if PY_MAJOR_VERSION >= 3
int const is_string = PyBytes_Check(obj) || PyUnicode_Check(obj);
#else
int const is_string = PyString_Check(obj) || PyUnicode_Check(obj);
#endif
#ifdef I_PY_DEBUG
PyObject *this_type = PyObject_Type(obj); /* new reference */
PyObject *t_string = PyObject_Str(this_type); /* new reference */
#if PY_MAJOR_VERSION >= 3
PyObject *type_str_bytes = PyUnicode_AsUTF8String(t_string); /* new reference */
char *type_str = PyBytes_AsString(type_str_bytes);
#else
char *type_str = PyString_AsString(t_string);
#endif
Printf(("type is %s\n", type_str));
printf("Py2Pl object:\n\t");
PyObject_Print(obj, stdout, Py_PRINT_RAW);
printf("\ntype:\n\t");
PyObject_Print(this_type, stdout, Py_PRINT_RAW);
printf("\n");
Printf(("String check: %i\n", is_string));
Printf(("Number check: %i\n", PyNumber_Check(obj)));
Printf(("Int check: %i\n", PyInt_Check(obj)));
Printf(("Long check: %i\n", PyLong_Check(obj)));
Printf(("Float check: %i\n", PyFloat_Check(obj)));
Printf(("Type check: %i\n", PyType_Check(obj)));
#if PY_MAJOR_VERSION < 3
Printf(("Class check: %i\n", PyClass_Check(obj)));
Printf(("Instance check: %i\n", PyInstance_Check(obj)));
#endif
Printf(("Dict check: %i\n", PyDict_Check(obj)));
Printf(("Mapping check: %i\n", PyMapping_Check(obj)));
Printf(("Sequence check: %i\n", PySequence_Check(obj)));
Printf(("Iter check: %i\n", PyIter_Check(obj)));
Printf(("Function check: %i\n", PyFunction_Check(obj)));
Printf(("Module check: %i\n", PyModule_Check(obj)));
Printf(("Method check: %i\n", PyMethod_Check(obj)));
#if PY_MAJOR_VERSION < 3
if ((obj->ob_type->tp_flags & Py_TPFLAGS_HEAPTYPE))
printf("heaptype true\n");
if ((obj->ob_type->tp_flags & Py_TPFLAGS_HAVE_CLASS))
printf("has class\n");
#else
Py_DECREF(type_str_bytes);
#endif
Py_DECREF(t_string);
Py_DECREF(this_type);
#endif
/* elw: this needs to be early */
/* None (like undef) */
if (!obj || obj == Py_None) {
Printf(("Py2Pl: Py_None\n"));
return &PL_sv_undef;
}
else
#ifdef EXPOSE_PERL
/* unwrap Perl objects */
if (PerlObjObject_Check(obj)) {
Printf(("Py2Pl: Obj_object\n"));
return ((PerlObj_object *) obj)->obj;
}
/* unwrap Perl code refs */
else if (PerlSubObject_Check(obj)) {
Printf(("Py2Pl: Sub_object\n"));
SV * ref = ((PerlSub_object *) obj)->ref;
if (! ref) { /* probably an inherited method */
if (! ((PerlSub_object *) obj)->obj)
croak("Error: could not find a code reference or object method for PerlSub");
SV * const sub_obj = (SV*)SvRV(((PerlSub_object *) obj)->obj);
HV * const pkg = SvSTASH(sub_obj);
#if PY_MAJOR_VERSION >= 3
char * const sub = PyBytes_AsString(((PerlSub_object *) obj)->sub);
#else
PyObject *obj_sub_str = PyObject_Str(((PerlSub_object *) obj)->sub); /* new ref. */
char * const sub = PyString_AsString(obj_sub_str);
#endif
GV * const gv = Perl_gv_fetchmethod_autoload(aTHX_ pkg, sub, TRUE);
if (gv && isGV(gv)) {
ref = (SV *)GvCV(gv);
}
#if PY_MAJOR_VERSION < 3
Py_DECREF(obj_sub_str);
#endif
}
return newRV_inc((SV *) ref);
}
else
#endif
/* wrap an instance of a Python class */
/* elw: here we need to make these look like instances: */
if ((obj->ob_type->tp_flags & Py_TPFLAGS_HEAPTYPE)
#if PY_MAJOR_VERSION < 3
|| PyInstance_Check(obj)
#endif
) {
/* This is a Python class instance -- bless it into an
* Inline::Python::Object. If we're being called from an
* Inline::Python class, it will be re-blessed into whatever
* class that is.
*/
SV * const inst_ptr = newSViv(0);
SV * const inst = newSVrv(inst_ptr, "Inline::Python::Object");;
_inline_magic priv;
/* set up magic */
priv.key = INLINE_MAGIC_KEY;
sv_magic(inst, inst, PERL_MAGIC_ext, (char *) &priv, sizeof(priv));
MAGIC * const mg = mg_find(inst, PERL_MAGIC_ext);
mg->mg_virtual = &inline_mg_vtbl;
sv_setiv(inst, (IV) obj);
/*SvREADONLY_on(inst); */ /* to uncomment this means I can't
re-bless it */
Py_INCREF(obj);
Printf(("Py2Pl: Instance. Obj: %p, inst_ptr: %p\n", obj, inst_ptr));
sv_2mortal(inst_ptr);
return inst_ptr;
}
/* a tuple or a list */
else if (PySequence_Check(obj) && !is_string) {
AV * const retval = newAV();
int i;
int const sz = PySequence_Length(obj);
Printf(("sequence (%i)\n", sz));
for (i = 0; i < sz; i++) {
PyObject * const tmp = PySequence_GetItem(obj, i); /* new reference */
SV * const next = Py2Pl(tmp);
av_push(retval, next);
if (sv_isobject(next)) // needed because objects get mortalized in Py2Pl
SvREFCNT_inc(next);
Py_DECREF(tmp);
}
if (PyTuple_Check(obj)) {
_inline_magic priv;
priv.key = TUPLE_MAGIC_KEY;
sv_magic((SV * const)retval, (SV * const)NULL, PERL_MAGIC_ext, (char *) &priv, sizeof(priv));
}
return newRV_noinc((SV *) retval);
}
/* a dictionary or fake Mapping object */
/* elw: PyMapping_Check() now returns true for strings */
else if (! is_string && PyMapping_Check(obj)) {
HV * const retval = newHV();
int i;
int const sz = PyMapping_Length(obj);
PyObject * const keys = PyMapping_Keys(obj); /* new reference */
PyObject * const vals = PyMapping_Values(obj); /* new reference */
Printf(("Py2Pl: dict/map\n"));
Printf(("mapping (%i)\n", sz));
for (i = 0; i < sz; i++) {
PyObject * const key = PySequence_GetItem(keys, i), /* new reference */
* const val = PySequence_GetItem(vals, i); /* new reference */
SV * const sv_val = Py2Pl(val);
char * key_val;
if (PyUnicode_Check(key)) {
PyObject * const utf8_string = PyUnicode_AsUTF8String(key); /* new reference */
#if PY_MAJOR_VERSION >= 3
key_val = PyBytes_AsString(utf8_string);
SV * const utf8_key = newSVpv(key_val, PyBytes_Size(utf8_string));
#else
key_val = PyString_AsString(utf8_string);
SV * const utf8_key = newSVpv(key_val, PyString_Size(utf8_string));
#endif
SvUTF8_on(utf8_key);
hv_store_ent(retval, utf8_key, sv_val, 0);
Py_DECREF(utf8_string);
}
else {
PyObject * s = NULL;
#if PY_MAJOR_VERSION >= 3
PyObject * s_bytes = NULL;
if (PyBytes_Check(key)) {
key_val = PyBytes_AsString(key);
#else
if (PyString_Check(key)) {
key_val = PyString_AsString(key);
#endif
}
else {
/* Warning -- encountered a non-string key value while converting a
* Python dictionary into a Perl hash. Perl can only use strings as
* key values. Using Python's string representation of the key as
* Perl's key value.
*/
s = PyObject_Str(key); /* new reference */
#if PY_MAJOR_VERSION >= 3
s_bytes = PyUnicode_AsUTF8String(s); /* new reference */
key_val = PyBytes_AsString(s_bytes);
#else
key_val = PyString_AsString(s);
#endif
Py_DECREF(s);
if (PL_dowarn)
warn("Stringifying non-string hash key value: '%s'",
key_val);
}
if (!key_val) {
croak("Invalid key on key %i of mapping\n", i);
}
hv_store(retval, key_val, strlen(key_val), sv_val, 0);
#if PY_MAJOR_VERSION >= 3
Py_XDECREF(s_bytes);
#endif
Py_XDECREF(s);
}
if (sv_isobject(sv_val)) // needed because objects get mortalized in Py2Pl
SvREFCNT_inc(sv_val);
Py_DECREF(key);
Py_DECREF(val);
}
Py_DECREF(keys);
Py_DECREF(vals);
return newRV_noinc((SV *) retval);
}
/* a boolean */
else if (PyBool_Check(obj)) {