void
PyErr_Restore(PyObject *type, PyObject *value, PyObject *traceback)
{
//puts("PyErr_Restore");
if (traceback != NULL && !PyTraceBack_Check(traceback)) {
/* XXX Should never happen -- fatal error instead? */
/* Well, it could be None. */
Py_DECREF(traceback);
traceback = NULL;
}
// env();
// jobject oldexc = (*env)->CallStaticObjectMethod(env, JyNIClass, JyErr_GetCurExc, NULL);
// jobject jv = JyNI_JythonPyObject_FromPyObject(value);
// jobject jtb = JyNI_JythonPyObject_FromPyObject(traceback);
// jobject jt = JyNI_JythonPyObject_FromPyObject(type);
// (*env)->CallStaticVoidMethod(env, JyNIClass, JyNIPyErr_Restore,
// jt,
// jv,
// jtb);
// if (oldexc)
// {
// //puts("oldexc");
// PyObject *oldtype, *oldvalue, *oldtraceback;
// oldtype = JyNI_PyObject_FromJythonPyObject((*env)->GetObjectField(env, oldexc, pyExceptionTypeField));
// oldvalue = JyNI_PyObject_FromJythonPyObject((*env)->GetObjectField(env, oldexc, pyExceptionValueField));
// oldtraceback = JyNI_PyObject_FromJythonPyObject((*env)->GetObjectField(env, oldexc, pyExceptionTracebackField));
//
// Py_XDECREF(oldtype);
// Py_XDECREF(oldvalue);
// Py_XDECREF(oldtraceback);
// }
PyThreadState *tstate = PyThreadState_GET();
PyObject *oldtype, *oldvalue, *oldtraceback;
if (traceback != NULL && !PyTraceBack_Check(traceback)) {
/* XXX Should never happen -- fatal error instead? */
/* Well, it could be None. */
Py_DECREF(traceback);
traceback = NULL;
}
/* Save these in locals to safeguard against recursive
invocation through Py_XDECREF */
oldtype = tstate->curexc_type;
oldvalue = tstate->curexc_value;
oldtraceback = tstate->curexc_traceback;
tstate->curexc_type = type;
tstate->curexc_value = value;
tstate->curexc_traceback = traceback;
Py_XDECREF(oldtype);
Py_XDECREF(oldvalue);
Py_XDECREF(oldtraceback);
}
void
PyErr_Display(PyObject *exception, PyObject *value, PyObject *tb)
{
PyObject *seen;
PyObject *f = _PySys_GetObjectId(&PyId_stderr);
if (PyExceptionInstance_Check(value)
&& tb != NULL && PyTraceBack_Check(tb)) {
/* Put the traceback on the exception, otherwise it won't get
displayed. See issue #18776. */
PyObject *cur_tb = PyException_GetTraceback(value);
if (cur_tb == NULL)
PyException_SetTraceback(value, tb);
else
Py_DECREF(cur_tb);
}
if (f == Py_None) {
/* pass */
}
else if (f == NULL) {
_PyObject_Dump(value);
fprintf(stderr, "lost sys.stderr\n");
}
else {
/* We choose to ignore seen being possibly NULL, and report
at least the main exception (it could be a MemoryError).
*/
seen = PySet_New(NULL);
if (seen == NULL)
PyErr_Clear();
print_exception_recursive(f, value, seen);
Py_XDECREF(seen);
}
}
Box* generatorThrow(Box* s, BoxedClass* exc_cls, Box* exc_val = nullptr, Box** args = nullptr) noexcept(S == CAPI) {
assert(s->cls == generator_cls);
BoxedGenerator* self = static_cast<BoxedGenerator*>(s);
if (self->iterated_from__hasnext__ && !self->entryExited)
Py_FatalError(".throw called on generator last advanced with __hasnext__");
Box* exc_tb = args ? args[0] : nullptr;
if (exc_tb && exc_tb != Py_None && !PyTraceBack_Check(exc_tb)) {
if (S == CAPI) {
PyErr_SetString(TypeError, "throw() third argument must be a traceback object");
return NULL;
}
raiseExcHelper(TypeError, "throw() third argument must be a traceback object");
}
if (!exc_val)
exc_val = Py_None;
if (!exc_tb)
exc_tb = Py_None;
ExcInfo exc_info = excInfoForRaise(incref(exc_cls), incref(exc_val), incref(exc_tb));
if (self->entryExited) {
if (S == CAPI) {
setCAPIException(exc_info);
return NULL;
}
throw exc_info;
}
self->exception = exc_info;
return generatorSend<S>(self, Py_None);
}
void
PyErr_Restore(PyObject *type, PyObject *value, PyObject *traceback)
{
PyThreadState *tstate = PyThreadState_GET();
PyObject *oldtype, *oldvalue, *oldtraceback;
if (traceback != NULL && !PyTraceBack_Check(traceback)) {
/* XXX Should never happen -- fatal error instead? */
/* Well, it could be None. */
Py_DECREF(traceback);
traceback = NULL;
}
/* Save these in locals to safeguard against recursive
invocation through Py_XDECREF */
oldtype = tstate->curexc_type;
oldvalue = tstate->curexc_value;
oldtraceback = tstate->curexc_traceback;
tstate->curexc_type = type;
tstate->curexc_value = value;
tstate->curexc_traceback = traceback;
Py_XDECREF(oldtype);
Py_XDECREF(oldvalue);
Py_XDECREF(oldtraceback);
}
int
PyTraceBack_Print(PyObject *v, PyObject *f)
{
int err;
PyObject *limitv;
long limit = PyTraceBack_LIMIT;
if (v == NULL)
return 0;
if (!PyTraceBack_Check(v)) {
PyErr_BadInternalCall();
return -1;
}
limitv = PySys_GetObject("tracebacklimit");
if (limitv && PyLong_Check(limitv)) {
int overflow;
limit = PyLong_AsLongAndOverflow(limitv, &overflow);
if (overflow > 0) {
limit = LONG_MAX;
}
else if (limit <= 0) {
return 0;
}
}
err = PyFile_WriteString("Traceback (most recent call last):\n", f);
if (!err)
err = tb_printinternal((PyTracebackObject *)v, f, limit);
return err;
}
static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
CYTHON_UNUSED PyObject *cause) {
__Pyx_PyThreadState_declare
/* 'cause' is only used in Py3 */
Py_XINCREF(type);
if (!value || value == Py_None)
value = NULL;
else
Py_INCREF(value);
if (!tb || tb == Py_None)
tb = NULL;
else {
Py_INCREF(tb);
if (!PyTraceBack_Check(tb)) {
PyErr_SetString(PyExc_TypeError,
"raise: arg 3 must be a traceback or None");
goto raise_error;
}
}
if (PyType_Check(type)) {
/* instantiate the type now (we don't know when and how it will be caught) */
#if CYTHON_COMPILING_IN_PYPY
/* PyPy can't handle value == NULL */
if (!value) {
Py_INCREF(Py_None);
value = Py_None;
}
#endif
PyErr_NormalizeException(&type, &value, &tb);
} else {
/* Raising an instance. The value should be a dummy. */
if (value) {
PyErr_SetString(PyExc_TypeError,
"instance exception may not have a separate value");
goto raise_error;
}
/* Normalize to raise <class>, <instance> */
value = type;
type = (PyObject*) Py_TYPE(type);
Py_INCREF(type);
if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
PyErr_SetString(PyExc_TypeError,
"raise: exception class must be a subclass of BaseException");
goto raise_error;
}
}
__Pyx_PyThreadState_assign
__Pyx_ErrRestore(type, value, tb);
return;
raise_error:
Py_XDECREF(value);
Py_XDECREF(type);
Py_XDECREF(tb);
return;
}
// takes the three arguments of a `raise' and produces the ExcInfo to throw
ExcInfo excInfoForRaise(Box* type, Box* value, Box* tb) {
assert(type && value && tb); // use None for default behavior, not nullptr
// TODO switch this to PyErr_Normalize
if (tb == None) {
tb = NULL;
} else if (tb != NULL && !PyTraceBack_Check(tb)) {
raiseExcHelper(TypeError, "raise: arg 3 must be a traceback or None");
}
/* Next, repeatedly, replace a tuple exception with its first item */
while (PyTuple_Check(type) && PyTuple_Size(type) > 0) {
PyObject* tmp = type;
type = PyTuple_GET_ITEM(type, 0);
Py_INCREF(type);
Py_DECREF(tmp);
}
if (PyExceptionClass_Check(type)) {
PyErr_NormalizeException(&type, &value, &tb);
if (!PyExceptionInstance_Check(value)) {
raiseExcHelper(TypeError, "calling %s() should have returned an instance of "
"BaseException, not '%s'",
((PyTypeObject*)type)->tp_name, Py_TYPE(value)->tp_name);
}
} else if (PyExceptionInstance_Check(type)) {
/* Raising an instance. The value should be a dummy. */
if (value != Py_None) {
raiseExcHelper(TypeError, "instance exception may not have a separate value");
} else {
/* Normalize to raise <class>, <instance> */
Py_DECREF(value);
value = type;
type = PyExceptionInstance_Class(type);
Py_INCREF(type);
}
} else {
/* Not something you can raise. You get an exception
anyway, just not what you specified :-) */
raiseExcHelper(TypeError, "exceptions must be old-style classes or "
"derived from BaseException, not %s",
type->cls->tp_name);
}
assert(PyExceptionClass_Check(type));
if (tb == NULL) {
tb = None;
}
return ExcInfo(type, value, tb);
}
static PyObject *
gen_throw(PyGenObject *gen, PyObject *typ, PyObject *val, PyObject *tb)
{
/* First, check the traceback argument, replacing None with
NULL. */
if (tb == Py_None)
tb = NULL;
else if (tb != NULL && !PyTraceBack_Check(tb)) {
PyErr_SetString(PyExc_TypeError,
"throw() third argument must be a traceback object");
return NULL;
}
Py_INCREF(typ);
Py_XINCREF(val);
Py_XINCREF(tb);
if (PyExceptionClass_Check(typ)) {
PyErr_NormalizeException(&typ, &val, &tb);
}
else if (PyExceptionInstance_Check(typ)) {
/* Raising an instance. The value should be a dummy. */
if (val && val != Py_None) {
PyErr_SetString(PyExc_TypeError,
"instance exception may not have a separate value");
goto failed_throw;
}
else {
/* Normalize to raise <class>, <instance> */
Py_XDECREF(val);
val = typ;
typ = PyExceptionInstance_Class(typ);
Py_INCREF(typ);
}
}
else {
/* Not something you can raise. throw() fails. */
PyErr_Format(PyExc_TypeError,
"exceptions must be classes, or instances, not %s",
typ->ob_type->tp_name);
goto failed_throw;
}
PyErr_Restore(typ, val, tb);
return gen_send_ex(gen, Py_None, 1);
failed_throw:
/* Didn't use our arguments, so restore their original refcounts */
Py_DECREF(typ);
Py_XDECREF(val);
Py_XDECREF(tb);
return NULL;
}
NUITKA_NO_RETURN NUITKA_MAY_BE_UNUSED static inline void RAISE_EXCEPTION_WITH_TRACEBACK( PyObject *exception_type, PyObject *value, PyObject *traceback )
{
if ( traceback == Py_None )
{
traceback = NULL;
}
// Check traceback
if( traceback != NULL && !PyTraceBack_Check( traceback ) )
{
PyErr_Format( PyExc_TypeError, "raise: arg 3 must be a traceback or None" );
throw PythonException();
}
RAISE_EXCEPTION_WITH_VALUE( exception_type, value, traceback );
}
static PyObject *
tb_new_impl(PyTypeObject *type, PyObject *tb_next, PyFrameObject *tb_frame,
int tb_lasti, int tb_lineno)
/*[clinic end generated code: output=fa077debd72d861a input=01cbe8ec8783fca7]*/
{
if (tb_next == Py_None) {
tb_next = NULL;
} else if (!PyTraceBack_Check(tb_next)) {
return PyErr_Format(PyExc_TypeError,
"expected traceback object or None, got '%s'",
Py_TYPE(tb_next)->tp_name);
}
return tb_create_raw((PyTracebackObject *)tb_next, tb_frame, tb_lasti,
tb_lineno);
}
static PyTracebackObject *
newtracebackobject(PyTracebackObject *next, PyFrameObject *frame)
{
PyTracebackObject *tb;
if ((next != NULL && !PyTraceBack_Check(next)) ||
frame == NULL || !PyFrame_Check(frame)) {
PyErr_BadInternalCall();
return NULL;
}
tb = PyObject_GC_New(PyTracebackObject, &PyTraceBack_Type);
if (tb != NULL) {
Py_XINCREF(next);
tb->tb_next = next;
Py_XINCREF(frame);
tb->tb_frame = frame;
tb->tb_lasti = frame->f_lasti;
tb->tb_lineno = PyFrame_GetLineNumber(frame);
PyObject_GC_Track(tb);
}
return tb;
}
int
PyTraceBack_Print(PyObject *v, PyObject *f)
{
int err;
PyObject *limitv;
long limit = PyTraceBack_LIMIT;
if (v == NULL)
return 0;
if (!PyTraceBack_Check(v)) {
PyErr_BadInternalCall();
return -1;
}
limitv = PySys_GetObject("tracebacklimit");
if (limitv) {
PyObject *exc_type, *exc_value, *exc_tb;
PyErr_Fetch(&exc_type, &exc_value, &exc_tb);
limit = PyLong_AsLong(limitv);
if (limit == -1 && PyErr_Occurred()) {
if (PyErr_ExceptionMatches(PyExc_OverflowError)) {
limit = PyTraceBack_LIMIT;
}
else {
Py_XDECREF(exc_type);
Py_XDECREF(exc_value);
Py_XDECREF(exc_tb);
return 0;
}
}
else if (limit <= 0) {
limit = PyTraceBack_LIMIT;
}
PyErr_Restore(exc_type, exc_value, exc_tb);
}
err = PyFile_WriteString("Traceback (most recent call last):\n", f);
if (!err)
err = tb_printinternal((PyTracebackObject *)v, f, limit);
return err;
}
Box* generatorThrow(Box* s, BoxedClass* exc_cls, Box* exc_val = nullptr, Box** args = nullptr) {
assert(s->cls == generator_cls);
BoxedGenerator* self = static_cast<BoxedGenerator*>(s);
if (self->iterated_from__hasnext__ && !self->entryExited)
Py_FatalError(".throw called on generator last advanced with __hasnext__");
Box* exc_tb = args ? args[0] : nullptr;
if (exc_tb && exc_tb != None && !PyTraceBack_Check(exc_tb))
raiseExcHelper(TypeError, "throw() third argument must be a traceback object");
if (!exc_val)
exc_val = None;
if (!exc_tb)
exc_tb = None;
ExcInfo exc_info = excInfoForRaise(exc_cls, exc_val, exc_tb);
if (self->entryExited)
throw exc_info;
self->exception = exc_info;
return generatorSend<CXX>(self, None);
}
static PyObject *
tb_create_raw(PyTracebackObject *next, PyFrameObject *frame, int lasti,
int lineno)
{
PyTracebackObject *tb;
if ((next != NULL && !PyTraceBack_Check(next)) ||
frame == NULL || !PyFrame_Check(frame)) {
PyErr_BadInternalCall();
return NULL;
}
tb = PyObject_GC_New(PyTracebackObject, &PyTraceBack_Type);
if (tb != NULL) {
Py_XINCREF(next);
tb->tb_next = next;
Py_XINCREF(frame);
tb->tb_frame = frame;
tb->tb_lasti = lasti;
tb->tb_lineno = lineno;
PyObject_GC_Track(tb);
}
return (PyObject *)tb;
}
int
PyTraceBack_Print(PyObject *v, PyObject *f)
{
int err;
PyObject *limitv;
int limit = 1000;
if (v == NULL)
return 0;
if (!PyTraceBack_Check(v)) {
PyErr_BadInternalCall();
return -1;
}
limitv = PySys_GetObject("tracebacklimit");
if (limitv && PyInt_Check(limitv)) {
limit = PyInt_AsLong(limitv);
if (limit <= 0)
return 0;
}
err = PyFile_WriteString("Traceback (most recent call last):\n", f);
if (!err)
err = tb_printinternal((tracebackobject *)v, f, limit);
return err;
}
void
_PyTrash_deposit_object(PyObject *op)
{
int typecode;
if (PyTuple_Check(op))
typecode = Py_TRASHCAN_TUPLE;
else if (PyList_Check(op))
typecode = Py_TRASHCAN_LIST;
else if (PyDict_Check(op))
typecode = Py_TRASHCAN_DICT;
else if (PyFrame_Check(op))
typecode = Py_TRASHCAN_FRAME;
else if (PyTraceBack_Check(op))
typecode = Py_TRASHCAN_TRACEBACK;
else /* We have a bug here -- those are the only types in GC */ {
Py_FatalError("Type not supported in GC -- internal bug");
return; /* pacify compiler -- execution never here */
}
op->ob_refcnt = typecode;
op->ob_type = (PyTypeObject*)_PyTrash_delete_later;
_PyTrash_delete_later = op;
}
static int
tb_next_set(PyTracebackObject *self, PyObject *new_next, void *Py_UNUSED(_))
{
if (!new_next) {
PyErr_Format(PyExc_TypeError, "can't delete tb_next attribute");
return -1;
}
/* We accept None or a traceback object, and map None -> NULL (inverse of
tb_next_get) */
if (new_next == Py_None) {
new_next = NULL;
} else if (!PyTraceBack_Check(new_next)) {
PyErr_Format(PyExc_TypeError,
"expected traceback object, got '%s'",
Py_TYPE(new_next)->tp_name);
return -1;
}
/* Check for loops */
PyTracebackObject *cursor = (PyTracebackObject *)new_next;
while (cursor) {
if (cursor == self) {
PyErr_Format(PyExc_ValueError, "traceback loop detected");
return -1;
}
cursor = cursor->tb_next;
}
PyObject *old_next = (PyObject*)self->tb_next;
Py_XINCREF(new_next);
self->tb_next = (PyTracebackObject *)new_next;
Py_XDECREF(old_next);
return 0;
}
static PyObject *Nuitka_Generator_throw( struct Nuitka_GeneratorObject *generator, PyObject *args )
{
assert( generator->m_exception_type == NULL );
assert( generator->m_exception_value == NULL );
assert( generator->m_exception_tb == NULL );
int res = PyArg_UnpackTuple( args, "throw", 1, 3, &generator->m_exception_type, &generator->m_exception_value, (PyObject **)&generator->m_exception_tb );
if (unlikely( res == 0 ))
{
generator->m_exception_type = NULL;
generator->m_exception_value = NULL;
generator->m_exception_tb = NULL;
return NULL;
}
if ( (PyObject *)generator->m_exception_tb == Py_None )
{
generator->m_exception_tb = NULL;
}
else if ( generator->m_exception_tb != NULL && !PyTraceBack_Check( generator->m_exception_tb ) )
{
generator->m_exception_type = NULL;
generator->m_exception_value = NULL;
generator->m_exception_tb = NULL;
PyErr_Format( PyExc_TypeError, "throw() third argument must be a traceback object" );
return NULL;
}
if ( PyExceptionClass_Check( generator->m_exception_type ))
{
Py_INCREF( generator->m_exception_type );
Py_XINCREF( generator->m_exception_value );
Py_XINCREF( generator->m_exception_tb );
NORMALIZE_EXCEPTION( &generator->m_exception_type, &generator->m_exception_value, &generator->m_exception_tb );
}
else if ( PyExceptionInstance_Check( generator->m_exception_type ) )
{
if ( generator->m_exception_value && generator->m_exception_value != Py_None )
{
generator->m_exception_type = NULL;
generator->m_exception_value = NULL;
generator->m_exception_tb = NULL;
PyErr_Format( PyExc_TypeError, "instance exception may not have a separate value" );
return NULL;
}
generator->m_exception_value = generator->m_exception_type;
Py_INCREF( generator->m_exception_value );
generator->m_exception_type = PyExceptionInstance_Class( generator->m_exception_type );
Py_INCREF( generator->m_exception_type );
Py_XINCREF( generator->m_exception_tb );
}
else
{
PyErr_Format(
PyExc_TypeError,
#if PYTHON_VERSION < 300
"exceptions must be classes, or instances, not %s",
#else
"exceptions must be classes or instances deriving from BaseException, not %s",
#endif
Py_TYPE( generator->m_exception_type )->tp_name
);
generator->m_exception_type = NULL;
generator->m_exception_value = NULL;
generator->m_exception_tb = NULL;
return NULL;
}
if ( ( generator->m_exception_tb != NULL ) && ( (PyObject *)generator->m_exception_tb != Py_None ) && ( !PyTraceBack_Check( generator->m_exception_tb ) ) )
{
PyErr_Format( PyExc_TypeError, "throw() third argument must be a traceback object" );
return NULL;
}
if ( generator->m_status != status_Finished )
{
PyObject *result = Nuitka_Generator_send( generator, Py_None );
return result;
}
else
{
RESTORE_ERROR_OCCURRED( generator->m_exception_type, generator->m_exception_value, generator->m_exception_tb );
generator->m_exception_type = NULL;
generator->m_exception_value = NULL;
generator->m_exception_tb = NULL;
return NULL;
}
}
static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb) {
Py_XINCREF(type);
Py_XINCREF(value);
Py_XINCREF(tb);
/* First, check the traceback argument, replacing None with NULL. */
if (tb == Py_None) {
Py_DECREF(tb);
tb = 0;
}
else if (tb != NULL && !PyTraceBack_Check(tb)) {
PyErr_SetString(PyExc_TypeError,
"raise: arg 3 must be a traceback or None");
goto raise_error;
}
/* Next, replace a missing value with None */
if (value == NULL) {
value = Py_None;
Py_INCREF(value);
}
/* Next, repeatedly, replace a tuple exception with its first item */
while (PyTuple_Check(type) && PyTuple_Size(type) > 0) {
PyObject *tmp = type;
type = PyTuple_GET_ITEM(type, 0);
Py_INCREF(type);
Py_DECREF(tmp);
}
if (PyString_Check(type))
;
else if (PyClass_Check(type))
; /*PyErr_NormalizeException(&type, &value, &tb);*/
else if (PyInstance_Check(type)) {
/* Raising an instance. The value should be a dummy. */
if (value != Py_None) {
PyErr_SetString(PyExc_TypeError,
"instance exception may not have a separate value");
goto raise_error;
}
else {
/* Normalize to raise <class>, <instance> */
Py_DECREF(value);
value = type;
type = (PyObject*) ((PyInstanceObject*)type)->in_class;
Py_INCREF(type);
}
}
else {
/* Not something you can raise. You get an exception
anyway, just not what you specified :-) */
PyErr_Format(PyExc_TypeError,
"exceptions must be strings, classes, or "
"instances, not %s", type->ob_type->tp_name);
goto raise_error;
}
PyErr_Restore(type, value, tb);
return;
raise_error:
Py_XDECREF(value);
Py_XDECREF(type);
Py_XDECREF(tb);
return;
}
NUITKA_NO_RETURN NUITKA_MAY_BE_UNUSED static void RAISE_EXCEPTION_WITH_TYPE( PyObject *exception_type, PyObject *exception_tb )
{
PyTracebackObject *traceback = (PyTracebackObject *)exception_tb;
assertObject( traceback );
assert( PyTraceBack_Check( traceback ) );
assertObject( exception_type );
if ( PyExceptionClass_Check( exception_type ) )
{
PyObject *value = NULL;
Py_INCREF( exception_type );
Py_XINCREF( traceback );
NORMALIZE_EXCEPTION( &exception_type, &value, &traceback );
#if PYTHON_VERSION >= 270
if (unlikely( !PyExceptionInstance_Check( value ) ))
{
Py_DECREF( exception_type );
Py_DECREF( value );
Py_XDECREF( traceback );
PyErr_Format(
PyExc_TypeError,
"calling %s() should have returned an instance of BaseException, not '%s'",
((PyTypeObject *)exception_type)->tp_name,
Py_TYPE( value )->tp_name
);
throw PythonException();
}
#endif
#if PYTHON_VERSION >= 300
CHAIN_EXCEPTION( exception_type, value );
#endif
throw PythonException(
exception_type,
value,
traceback
);
}
else if ( PyExceptionInstance_Check( exception_type ) )
{
PyObject *value = exception_type;
exception_type = PyExceptionInstance_Class( exception_type );
#if PYTHON_VERSION >= 300
CHAIN_EXCEPTION( exception_type, value );
PyTracebackObject *prev = (PyTracebackObject *)PyException_GetTraceback( value );
if ( prev != NULL )
{
assert( traceback->tb_next == NULL );
traceback->tb_next = prev;
}
PyException_SetTraceback( value, (PyObject *)traceback );
#endif
throw PythonException(
INCREASE_REFCOUNT( exception_type ),
INCREASE_REFCOUNT( value ),
INCREASE_REFCOUNT( traceback )
);
}
else
{
PyErr_Format( PyExc_TypeError, WRONG_EXCEPTION_TYPE_ERROR_MESSAGE, Py_TYPE( exception_type )->tp_name );
PythonException to_throw;
to_throw.setTraceback( INCREASE_REFCOUNT( traceback ) );
throw to_throw;
}
}
static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
if (tb == Py_None) {
tb = 0;
} else if (tb && !PyTraceBack_Check(tb)) {
PyErr_SetString(PyExc_TypeError,
"raise: arg 3 must be a traceback or None");
goto bad;
}
if (value == Py_None)
value = 0;
if (PyExceptionInstance_Check(type)) {
if (value) {
PyErr_SetString(PyExc_TypeError,
"instance exception may not have a separate value");
goto bad;
}
value = type;
type = (PyObject*) Py_TYPE(value);
} else if (!PyExceptionClass_Check(type)) {
PyErr_SetString(PyExc_TypeError,
"raise: exception class must be a subclass of BaseException");
goto bad;
}
if (cause) {
PyObject *fixed_cause;
if (PyExceptionClass_Check(cause)) {
fixed_cause = PyObject_CallObject(cause, NULL);
if (fixed_cause == NULL)
goto bad;
}
else if (PyExceptionInstance_Check(cause)) {
fixed_cause = cause;
Py_INCREF(fixed_cause);
}
else {
PyErr_SetString(PyExc_TypeError,
"exception causes must derive from "
"BaseException");
goto bad;
}
if (!value) {
value = PyObject_CallObject(type, NULL);
}
PyException_SetCause(value, fixed_cause);
}
PyErr_SetObject(type, value);
if (tb) {
PyThreadState *tstate = PyThreadState_GET();
PyObject* tmp_tb = tstate->curexc_traceback;
if (tb != tmp_tb) {
Py_INCREF(tb);
tstate->curexc_traceback = tb;
Py_XDECREF(tmp_tb);
}
}
bad:
return;
}
static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
PyObject* owned_instance = NULL;
if (tb == Py_None) {
tb = 0;
} else if (tb && !PyTraceBack_Check(tb)) {
PyErr_SetString(PyExc_TypeError,
"raise: arg 3 must be a traceback or None");
goto bad;
}
if (value == Py_None)
value = 0;
if (PyExceptionInstance_Check(type)) {
if (value) {
PyErr_SetString(PyExc_TypeError,
"instance exception may not have a separate value");
goto bad;
}
value = type;
type = (PyObject*) Py_TYPE(value);
} else if (PyExceptionClass_Check(type)) {
// make sure value is an exception instance of type
PyObject *instance_class = NULL;
if (value && PyExceptionInstance_Check(value)) {
instance_class = (PyObject*) Py_TYPE(value);
if (instance_class != type) {
if (PyObject_IsSubclass(instance_class, type)) {
// believe the instance
type = instance_class;
} else {
instance_class = NULL;
}
}
}
if (!instance_class) {
// instantiate the type now (we don't know when and how it will be caught)
// assuming that 'value' is an argument to the type's constructor
// not using PyErr_NormalizeException() to avoid ref-counting problems
PyObject *args;
if (!value)
args = PyTuple_New(0);
else if (PyTuple_Check(value)) {
Py_INCREF(value);
args = value;
} else
args = PyTuple_Pack(1, value);
if (!args)
goto bad;
owned_instance = PyObject_Call(type, args, NULL);
Py_DECREF(args);
if (!owned_instance)
goto bad;
value = owned_instance;
if (!PyExceptionInstance_Check(value)) {
PyErr_Format(PyExc_TypeError,
"calling %R should have returned an instance of "
"BaseException, not %R",
type, Py_TYPE(value));
goto bad;
}
}
} else {
PyErr_SetString(PyExc_TypeError,
"raise: exception class must be a subclass of BaseException");
goto bad;
}
#if PY_VERSION_HEX >= 0x03030000
if (cause) {
#else
if (cause && cause != Py_None) {
#endif
PyObject *fixed_cause;
if (cause == Py_None) {
// raise ... from None
fixed_cause = NULL;
} else if (PyExceptionClass_Check(cause)) {
fixed_cause = PyObject_CallObject(cause, NULL);
if (fixed_cause == NULL)
goto bad;
} else if (PyExceptionInstance_Check(cause)) {
fixed_cause = cause;
Py_INCREF(fixed_cause);
} else {
PyErr_SetString(PyExc_TypeError,
"exception causes must derive from "
"BaseException");
goto bad;
}
PyException_SetCause(value, fixed_cause);
}
PyErr_SetObject(type, value);
if (tb) {
#if CYTHON_COMPILING_IN_PYPY
PyObject *tmp_type, *tmp_value, *tmp_tb;
PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb);
Py_INCREF(tb);
PyErr_Restore(tmp_type, tmp_value, tb);
Py_XDECREF(tmp_tb);
#else
PyThreadState *tstate = PyThreadState_GET();
PyObject* tmp_tb = tstate->curexc_traceback;
if (tb != tmp_tb) {
Py_INCREF(tb);
tstate->curexc_traceback = tb;
Py_XDECREF(tmp_tb);
}
#endif
}
bad:
Py_XDECREF(owned_instance);
return;
}
#endif
/////////////// GetException.proto ///////////////
static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb); /*proto*/
/////////////// GetException ///////////////
static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb) {
PyObject *local_type, *local_value, *local_tb;
#if CYTHON_COMPILING_IN_CPYTHON
PyObject *tmp_type, *tmp_value, *tmp_tb;
PyThreadState *tstate = PyThreadState_GET();
local_type = tstate->curexc_type;
local_value = tstate->curexc_value;
local_tb = tstate->curexc_traceback;
tstate->curexc_type = 0;
tstate->curexc_value = 0;
tstate->curexc_traceback = 0;
#else
PyErr_Fetch(&local_type, &local_value, &local_tb);
#endif
PyErr_NormalizeException(&local_type, &local_value, &local_tb);
#if CYTHON_COMPILING_IN_CPYTHON
if (unlikely(tstate->curexc_type))
#else
if (unlikely(PyErr_Occurred()))
#endif
goto bad;
#if PY_MAJOR_VERSION >= 3
if (local_tb) {
if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0))
goto bad;
}
#endif
// traceback may be NULL for freshly raised exceptions
Py_XINCREF(local_tb);
// exception state may be temporarily empty in parallel loops (race condition)
Py_XINCREF(local_type);
Py_XINCREF(local_value);
*type = local_type;
*value = local_value;
*tb = local_tb;
#if CYTHON_COMPILING_IN_CPYTHON
tmp_type = tstate->exc_type;
tmp_value = tstate->exc_value;
tmp_tb = tstate->exc_traceback;
tstate->exc_type = local_type;
tstate->exc_value = local_value;
tstate->exc_traceback = local_tb;
// Make sure tstate is in a consistent state when we XDECREF
// these objects (DECREF may run arbitrary code).
Py_XDECREF(tmp_type);
Py_XDECREF(tmp_value);
Py_XDECREF(tmp_tb);
#else
PyErr_SetExcInfo(local_type, local_value, local_tb);
#endif
return 0;
bad:
*type = 0;
*value = 0;
*tb = 0;
Py_XDECREF(local_type);
Py_XDECREF(local_value);
Py_XDECREF(local_tb);
return -1;
}
static PyObject *
Fiber_func_throw(Fiber *self, PyObject *args)
{
Fiber *current;
PyObject *typ, *val, *tb;
val = tb = NULL;
if (!PyArg_ParseTuple(args, "O|OO:throw", &typ, &val, &tb)) {
return NULL;
}
/* First, check the traceback argument, replacing None, with NULL */
if (tb == Py_None) {
tb = NULL;
} else if (tb != NULL && !PyTraceBack_Check(tb)) {
PyErr_SetString(PyExc_TypeError, "throw() third argument must be a traceback object");
return NULL;
}
Py_INCREF(typ);
Py_XINCREF(val);
Py_XINCREF(tb);
if (PyExceptionClass_Check(typ)) {
PyErr_NormalizeException(&typ, &val, &tb);
} else if (PyExceptionInstance_Check(typ)) {
/* Raising an instance. The value should be a dummy. */
if (val && val != Py_None) {
PyErr_SetString(PyExc_TypeError, "instance exceptions cannot have a separate value");
goto error;
} else {
/* Normalize to raise <class>, <instance> */
Py_XDECREF(val);
val = typ;
typ = PyExceptionInstance_Class(typ);
Py_INCREF(typ);
}
} else {
/* Not something you can raise. throw() fails. */
PyErr_Format(PyExc_TypeError, "exceptions must be classes, or instances, not %s", Py_TYPE(typ)->tp_name);
goto error;
}
if (!CHECK_STATE) {
goto error;
}
current = _global_state.current;
if (self == current) {
PyErr_SetString(PyExc_FiberError, "cannot throw from a Fiber to itself");
goto error;
}
if (self->stacklet_h == EMPTY_STACKLET_HANDLE) {
PyErr_SetString(PyExc_FiberError, "Fiber has ended");
goto error;
}
if (self->thread_h != current->thread_h) {
PyErr_SetString(PyExc_FiberError, "cannot switch to a Fiber on a different thread");
return NULL;
}
/* set error and do a switch with NULL as the value */
PyErr_Restore(typ, val, tb);
return do_switch(self, NULL);
error:
/* Didn't use our arguments, so restore their original refcounts */
Py_DECREF(typ);
Py_XDECREF(val);
Py_XDECREF(tb);
return NULL;
}
static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
PyObject* owned_instance = NULL;
if (tb == Py_None) {
tb = 0;
} else if (tb && !PyTraceBack_Check(tb)) {
PyErr_SetString(PyExc_TypeError,
"raise: arg 3 must be a traceback or None");
goto bad;
}
if (value == Py_None)
value = 0;
if (PyExceptionInstance_Check(type)) {
if (value) {
PyErr_SetString(PyExc_TypeError,
"instance exception may not have a separate value");
goto bad;
}
value = type;
type = (PyObject*) Py_TYPE(value);
} else if (PyExceptionClass_Check(type)) {
// make sure value is an exception instance of type
PyObject *instance_class = NULL;
if (value && PyExceptionInstance_Check(value)) {
instance_class = (PyObject*) Py_TYPE(value);
if (instance_class != type) {
int is_subclass = PyObject_IsSubclass(instance_class, type);
if (!is_subclass) {
instance_class = NULL;
} else if (unlikely(is_subclass == -1)) {
// error on subclass test
goto bad;
} else {
// believe the instance
type = instance_class;
}
}
}
if (!instance_class) {
// instantiate the type now (we don't know when and how it will be caught)
// assuming that 'value' is an argument to the type's constructor
// not using PyErr_NormalizeException() to avoid ref-counting problems
PyObject *args;
if (!value)
args = PyTuple_New(0);
else if (PyTuple_Check(value)) {
Py_INCREF(value);
args = value;
} else
args = PyTuple_Pack(1, value);
if (!args)
goto bad;
owned_instance = PyObject_Call(type, args, NULL);
Py_DECREF(args);
if (!owned_instance)
goto bad;
value = owned_instance;
if (!PyExceptionInstance_Check(value)) {
PyErr_Format(PyExc_TypeError,
"calling %R should have returned an instance of "
"BaseException, not %R",
type, Py_TYPE(value));
goto bad;
}
}
} else {
PyErr_SetString(PyExc_TypeError,
"raise: exception class must be a subclass of BaseException");
goto bad;
}
if (cause) {
PyObject *fixed_cause;
if (cause == Py_None) {
// raise ... from None
fixed_cause = NULL;
} else if (PyExceptionClass_Check(cause)) {
fixed_cause = PyObject_CallObject(cause, NULL);
if (fixed_cause == NULL)
goto bad;
} else if (PyExceptionInstance_Check(cause)) {
fixed_cause = cause;
Py_INCREF(fixed_cause);
} else {
PyErr_SetString(PyExc_TypeError,
"exception causes must derive from "
"BaseException");
goto bad;
}
PyException_SetCause(value, fixed_cause);
}
PyErr_SetObject(type, value);
if (tb) {
#if CYTHON_COMPILING_IN_PYPY
PyObject *tmp_type, *tmp_value, *tmp_tb;
PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb);
Py_INCREF(tb);
PyErr_Restore(tmp_type, tmp_value, tb);
Py_XDECREF(tmp_tb);
#else
PyThreadState *tstate = __Pyx_PyThreadState_Current;
PyObject* tmp_tb = tstate->curexc_traceback;
if (tb != tmp_tb) {
Py_INCREF(tb);
tstate->curexc_traceback = tb;
Py_XDECREF(tmp_tb);
}
#endif
}
bad:
Py_XDECREF(owned_instance);
return;
}
static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
CYTHON_UNUSED PyObject *cause) {
/* cause is unused */
Py_XINCREF(type);
Py_XINCREF(value);
Py_XINCREF(tb);
/* First, check the traceback argument, replacing None with NULL. */
if (tb == Py_None) {
Py_DECREF(tb);
tb = 0;
}
else if (tb != NULL && !PyTraceBack_Check(tb)) {
PyErr_SetString(PyExc_TypeError,
"raise: arg 3 must be a traceback or None");
goto raise_error;
}
/* Next, replace a missing value with None */
if (value == NULL) {
value = Py_None;
Py_INCREF(value);
}
#if PY_VERSION_HEX < 0x02050000
if (!PyClass_Check(type))
#else
if (!PyType_Check(type))
#endif
{
/* Raising an instance. The value should be a dummy. */
if (value != Py_None) {
PyErr_SetString(PyExc_TypeError,
"instance exception may not have a separate value");
goto raise_error;
}
/* Normalize to raise <class>, <instance> */
Py_DECREF(value);
value = type;
#if PY_VERSION_HEX < 0x02050000
if (PyInstance_Check(type)) {
type = (PyObject*) ((PyInstanceObject*)type)->in_class;
Py_INCREF(type);
}
else {
type = 0;
PyErr_SetString(PyExc_TypeError,
"raise: exception must be an old-style class or instance");
goto raise_error;
}
#else
type = (PyObject*) Py_TYPE(type);
Py_INCREF(type);
if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
PyErr_SetString(PyExc_TypeError,
"raise: exception class must be a subclass of BaseException");
goto raise_error;
}
#endif
}
__Pyx_ErrRestore(type, value, tb);
return;
raise_error:
Py_XDECREF(value);
Py_XDECREF(type);
Py_XDECREF(tb);
return;
}
static PyObject *
green_throw(PyGreenlet *self, PyObject *args)
{
PyObject *typ = PyExc_GreenletExit;
PyObject *val = NULL;
PyObject *tb = NULL;
if (!PyArg_ParseTuple(args, "|OOO:throw", &typ, &val, &tb))
{
return NULL;
}
/* First, check the traceback argument, replacing None, with NULL */
if (tb == Py_None)
{
tb = NULL;
}
else if (tb != NULL && !PyTraceBack_Check(tb))
{
PyErr_SetString(
PyExc_TypeError,
"throw() third argument must be a traceback object");
return NULL;
}
Py_INCREF(typ);
Py_XINCREF(val);
Py_XINCREF(tb);
if (PyExceptionClass_Check(typ))
{
PyErr_NormalizeException(&typ, &val, &tb);
}
else if (PyExceptionInstance_Check(typ))
{
/* Raising an instance. The value should be a dummy. */
if (val && val != Py_None)
{
PyErr_SetString(
PyExc_TypeError,
"instance exception may not have a separate value");
goto failed_throw;
}
else
{
/* Normalize to raise <class>, <instance> */
Py_XDECREF(val);
val = typ;
typ = PyExceptionInstance_Class(typ);
Py_INCREF(typ);
}
}
else
{
/* Not something you can raise. throw() fails. */
PyErr_Format(
PyExc_TypeError,
"exceptions must be classes, or instances, not %s",
Py_TYPE(typ)->tp_name);
goto failed_throw;
}
return throw_greenlet(self, typ, val, tb);
failed_throw:
/* Didn't use our arguments, so restore their original refcounts */
Py_DECREF(typ);
Py_XDECREF(val);
Py_XDECREF(tb);
return NULL;
}
static PyObject *
gen_throw(PyGenObject *gen, PyObject *args)
{
PyObject *typ;
PyObject *tb = NULL;
PyObject *val = NULL;
PyObject *yf = _PyGen_yf(gen);
_Py_IDENTIFIER(throw);
if (!PyArg_UnpackTuple(args, "throw", 1, 3, &typ, &val, &tb))
return NULL;
if (yf) {
PyObject *ret;
int err;
if (PyErr_GivenExceptionMatches(typ, PyExc_GeneratorExit)) {
gen->gi_running = 1;
err = gen_close_iter(yf);
gen->gi_running = 0;
Py_DECREF(yf);
if (err < 0)
return gen_send_ex(gen, Py_None, 1, 0);
goto throw_here;
}
if (PyGen_CheckExact(yf)) {
gen->gi_running = 1;
ret = gen_throw((PyGenObject *)yf, args);
gen->gi_running = 0;
} else {
PyObject *meth = _PyObject_GetAttrId(yf, &PyId_throw);
if (meth == NULL) {
if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
Py_DECREF(yf);
return NULL;
}
PyErr_Clear();
Py_DECREF(yf);
goto throw_here;
}
gen->gi_running = 1;
ret = PyObject_CallObject(meth, args);
gen->gi_running = 0;
Py_DECREF(meth);
}
Py_DECREF(yf);
if (!ret) {
PyObject *val;
/* Pop subiterator from stack */
ret = *(--gen->gi_frame->f_stacktop);
assert(ret == yf);
Py_DECREF(ret);
/* Termination repetition of YIELD_FROM */
gen->gi_frame->f_lasti += 2;
if (_PyGen_FetchStopIterationValue(&val) == 0) {
ret = gen_send_ex(gen, val, 0, 0);
Py_DECREF(val);
} else {
ret = gen_send_ex(gen, Py_None, 1, 0);
}
}
return ret;
}
throw_here:
/* First, check the traceback argument, replacing None with
NULL. */
if (tb == Py_None) {
tb = NULL;
}
else if (tb != NULL && !PyTraceBack_Check(tb)) {
PyErr_SetString(PyExc_TypeError,
"throw() third argument must be a traceback object");
return NULL;
}
Py_INCREF(typ);
Py_XINCREF(val);
Py_XINCREF(tb);
if (PyExceptionClass_Check(typ))
PyErr_NormalizeException(&typ, &val, &tb);
else if (PyExceptionInstance_Check(typ)) {
/* Raising an instance. The value should be a dummy. */
if (val && val != Py_None) {
PyErr_SetString(PyExc_TypeError,
"instance exception may not have a separate value");
goto failed_throw;
}
else {
/* Normalize to raise <class>, <instance> */
Py_XDECREF(val);
val = typ;
typ = PyExceptionInstance_Class(typ);
Py_INCREF(typ);
if (tb == NULL)
/* Returns NULL if there's no traceback */
tb = PyException_GetTraceback(val);
}
}
else {
/* Not something you can raise. throw() fails. */
PyErr_Format(PyExc_TypeError,
"exceptions must be classes or instances "
"deriving from BaseException, not %s",
Py_TYPE(typ)->tp_name);
goto failed_throw;
}
PyErr_Restore(typ, val, tb);
return gen_send_ex(gen, Py_None, 1, 0);
failed_throw:
/* Didn't use our arguments, so restore their original refcounts */
Py_DECREF(typ);
Py_XDECREF(val);
Py_XDECREF(tb);
return NULL;
}
