static void CHAIN_EXCEPTION( PyObject *exception_type, PyObject *exception_value )
{
// Implicit chain of exception already existing.
PyThreadState *thread_state = PyThreadState_GET();
// Normalize existing exception first.
PyErr_NormalizeException( &thread_state->exc_type, &thread_state->exc_value, &thread_state->exc_traceback );
PyObject *old_exc_value = thread_state->exc_value;
if ( old_exc_value != NULL && old_exc_value != Py_None && old_exc_value != exception_value )
{
Py_INCREF( old_exc_value );
PyObject *o = old_exc_value, *context;
while (( context = PyException_GetContext(o) ))
{
Py_DECREF( context );
if ( context == exception_value )
{
PyException_SetContext( o, NULL );
break;
}
o = context;
}
PyException_SetContext( exception_value, old_exc_value );
PyException_SetTraceback( old_exc_value, thread_state->exc_traceback );
}
}
static PyObject *
_PyErr_FormatVFromCause(PyObject *exception, const char *format, va_list vargs)
{
PyObject *exc, *val, *val2, *tb;
assert(PyErr_Occurred());
PyErr_Fetch(&exc, &val, &tb);
PyErr_NormalizeException(&exc, &val, &tb);
if (tb != NULL) {
PyException_SetTraceback(val, tb);
Py_DECREF(tb);
}
Py_DECREF(exc);
assert(!PyErr_Occurred());
PyErr_FormatV(exception, format, vargs);
PyErr_Fetch(&exc, &val2, &tb);
PyErr_NormalizeException(&exc, &val2, &tb);
Py_INCREF(val);
PyException_SetCause(val2, val);
PyException_SetContext(val2, val);
PyErr_Restore(exc, val2, tb);
return NULL;
}
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);
}
}
inline void normalize()
{
NORMALIZE_EXCEPTION( &this->exception_type, &this->exception_value, &this->exception_tb );
#if PYTHON_VERSION >= 300
PyException_SetTraceback( this->exception_value, (PyObject *)this->exception_tb );
#endif
}
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 (unlikely(PyException_SetTraceback(local_value, local_tb) < 0))
goto bad;
#endif
Py_INCREF(local_type);
Py_INCREF(local_value);
Py_INCREF(local_tb);
*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 int
_Py_FatalError_PrintExc(int fd)
{
PyObject *ferr, *res;
PyObject *exception, *v, *tb;
int has_tb;
if (PyThreadState_GET() == NULL) {
/* The GIL is released: trying to acquire it is likely to deadlock,
just give up. */
return 0;
}
PyErr_Fetch(&exception, &v, &tb);
if (exception == NULL) {
/* No current exception */
return 0;
}
ferr = _PySys_GetObjectId(&PyId_stderr);
if (ferr == NULL || ferr == Py_None) {
/* sys.stderr is not set yet or set to None,
no need to try to display the exception */
return 0;
}
PyErr_NormalizeException(&exception, &v, &tb);
if (tb == NULL) {
tb = Py_None;
Py_INCREF(tb);
}
PyException_SetTraceback(v, tb);
if (exception == NULL) {
/* PyErr_NormalizeException() failed */
return 0;
}
has_tb = (tb != Py_None);
PyErr_Display(exception, v, tb);
Py_XDECREF(exception);
Py_XDECREF(v);
Py_XDECREF(tb);
/* sys.stderr may be buffered: call sys.stderr.flush() */
res = _PyObject_CallMethodId(ferr, &PyId_flush, "");
if (res == NULL)
PyErr_Clear();
else
Py_DECREF(res);
return has_tb;
}
static void CHAIN_EXCEPTION( PyObject *exception_type, PyObject *exception_value )
{
// Implicit chain of exception already existing.
PyThreadState *thread_state = PyThreadState_GET();
// Normalize existing exception first. TODO: Will normally be done already.
NORMALIZE_EXCEPTION(
&thread_state->exc_type,
&thread_state->exc_value,
(PyTracebackObject **)&thread_state->exc_traceback
);
PyObject *old_exc_value = thread_state->exc_value;
if ( old_exc_value != NULL && old_exc_value != Py_None && old_exc_value != exception_value )
{
PyObject *current = old_exc_value;
while( true )
{
PyObject *context = PyException_GetContext( current );
if (!context) break;
CHECK_OBJECT( context );
Py_DECREF( context );
CHECK_OBJECT( context );
if ( context == exception_value )
{
PyException_SetContext( current, NULL );
break;
}
current = context;
}
CHECK_OBJECT( old_exc_value );
Py_INCREF( old_exc_value );
PyException_SetContext( exception_value, old_exc_value );
CHECK_OBJECT( thread_state->exc_traceback );
PyException_SetTraceback( old_exc_value, thread_state->exc_traceback );
}
}
/* Like PyErr_Restore(), but if an exception is already set,
set the context associated with it.
*/
void
_PyErr_ChainExceptions(PyObject *exc, PyObject *val, PyObject *tb)
{
if (exc == NULL)
return;
if (PyErr_Occurred()) {
PyObject *exc2, *val2, *tb2;
PyErr_Fetch(&exc2, &val2, &tb2);
PyErr_NormalizeException(&exc, &val, &tb);
if (tb != NULL) {
PyException_SetTraceback(val, tb);
Py_DECREF(tb);
}
Py_DECREF(exc);
PyErr_NormalizeException(&exc2, &val2, &tb2);
PyException_SetContext(val2, val);
PyErr_Restore(exc2, val2, tb2);
}
else {
PyErr_Restore(exc, val, tb);
}
}
NUITKA_MAY_BE_UNUSED static void RAISE_EXCEPTION_WITH_TYPE( PyObject **exception_type, PyObject **exception_value, PyTracebackObject **exception_tb )
{
*exception_value = NULL;
*exception_tb = NULL;
#if PYTHON_VERSION < 300
// Next, repeatedly, replace a tuple exception with its first item
while( PyTuple_Check( *exception_type ) && PyTuple_Size( *exception_type ) > 0 )
{
PyObject *tmp = *exception_type;
*exception_type = PyTuple_GET_ITEM( *exception_type, 0 );
Py_INCREF( *exception_type );
Py_DECREF( tmp );
}
#endif
if ( PyExceptionClass_Check( *exception_type ) )
{
NORMALIZE_EXCEPTION( exception_type, exception_value, exception_tb );
#if PYTHON_VERSION >= 270
if (unlikely( !PyExceptionInstance_Check( *exception_value ) ))
{
PyErr_Format(
PyExc_TypeError,
"calling %s() should have returned an instance of BaseException, not '%s'",
((PyTypeObject *)*exception_type)->tp_name,
Py_TYPE( *exception_value )->tp_name
);
Py_DECREF( *exception_type );
Py_DECREF( *exception_value );
FETCH_ERROR_OCCURRED( exception_type, exception_value, exception_tb );
return;
}
#endif
#if PYTHON_VERSION >= 300
CHAIN_EXCEPTION( *exception_type, *exception_value );
#endif
return;
}
else if ( PyExceptionInstance_Check( *exception_type ) )
{
*exception_value = *exception_type;
*exception_type = PyExceptionInstance_Class( *exception_type );
Py_INCREF( *exception_type );
#if PYTHON_VERSION >= 300
CHAIN_EXCEPTION( *exception_type, *exception_value );
// TODO: Ever true?
if ( *exception_tb )
{
PyTracebackObject *prev = (PyTracebackObject *)PyException_GetTraceback( *exception_value );
if ( prev != NULL )
{
assert( (*exception_tb)->tb_next == NULL );
(*exception_tb)->tb_next = prev;
}
PyException_SetTraceback( *exception_value, (PyObject *)(*exception_tb ? *exception_tb : (PyTracebackObject *)Py_None ) );
}
*exception_tb = (PyTracebackObject *)PyException_GetTraceback( *exception_value );
#endif
return;
}
else
{
Py_DECREF( *exception_type );
PyErr_Format( PyExc_TypeError, WRONG_EXCEPTION_TYPE_ERROR_MESSAGE, Py_TYPE( *exception_type )->tp_name );
FETCH_ERROR_OCCURRED( exception_type, exception_value, exception_tb );
return;
}
}
void
PyErr_PrintEx(int set_sys_last_vars)
{
PyObject *exception, *v, *tb, *hook;
if (PyErr_ExceptionMatches(PyExc_SystemExit)) {
handle_system_exit();
}
PyErr_Fetch(&exception, &v, &tb);
if (exception == NULL)
return;
PyErr_NormalizeException(&exception, &v, &tb);
if (tb == NULL) {
tb = Py_None;
Py_INCREF(tb);
}
PyException_SetTraceback(v, tb);
if (exception == NULL)
return;
/* Now we know v != NULL too */
if (set_sys_last_vars) {
if (_PySys_SetObjectId(&PyId_last_type, exception) < 0) {
PyErr_Clear();
}
if (_PySys_SetObjectId(&PyId_last_value, v) < 0) {
PyErr_Clear();
}
if (_PySys_SetObjectId(&PyId_last_traceback, tb) < 0) {
PyErr_Clear();
}
}
hook = _PySys_GetObjectId(&PyId_excepthook);
if (hook) {
PyObject* stack[3];
PyObject *result;
stack[0] = exception;
stack[1] = v;
stack[2] = tb;
result = _PyObject_FastCall(hook, stack, 3);
if (result == NULL) {
PyObject *exception2, *v2, *tb2;
if (PyErr_ExceptionMatches(PyExc_SystemExit)) {
handle_system_exit();
}
PyErr_Fetch(&exception2, &v2, &tb2);
PyErr_NormalizeException(&exception2, &v2, &tb2);
/* It should not be possible for exception2 or v2
to be NULL. However PyErr_Display() can't
tolerate NULLs, so just be safe. */
if (exception2 == NULL) {
exception2 = Py_None;
Py_INCREF(exception2);
}
if (v2 == NULL) {
v2 = Py_None;
Py_INCREF(v2);
}
fflush(stdout);
PySys_WriteStderr("Error in sys.excepthook:\n");
PyErr_Display(exception2, v2, tb2);
PySys_WriteStderr("\nOriginal exception was:\n");
PyErr_Display(exception, v, tb);
Py_DECREF(exception2);
Py_DECREF(v2);
Py_XDECREF(tb2);
}
Py_XDECREF(result);
} else {
PySys_WriteStderr("sys.excepthook is missing\n");
PyErr_Display(exception, v, tb);
}
Py_XDECREF(exception);
Py_XDECREF(v);
Py_XDECREF(tb);
}
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 int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
#else
static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb) {
#endif
PyObject *local_type, *local_value, *local_tb;
#if CYTHON_FAST_THREAD_STATE
PyObject *tmp_type, *tmp_value, *tmp_tb;
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_FAST_THREAD_STATE
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_FAST_THREAD_STATE
#if PY_VERSION_HEX >= 0x030700A2
tmp_type = tstate->exc_state.exc_type;
tmp_value = tstate->exc_state.exc_value;
tmp_tb = tstate->exc_state.exc_traceback;
tstate->exc_state.exc_type = local_type;
tstate->exc_state.exc_value = local_value;
tstate->exc_state.exc_traceback = local_tb;
#else
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;
#endif
// 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 *
gen_send_ex(PyGenObject *gen, PyObject *arg, int exc, int closing)
{
PyThreadState *tstate = PyThreadState_GET();
PyFrameObject *f = gen->gi_frame;
PyObject *result;
if (gen->gi_running) {
char *msg = "generator already executing";
if (PyCoro_CheckExact(gen))
msg = "coroutine already executing";
PyErr_SetString(PyExc_ValueError, msg);
return NULL;
}
if (f == NULL || f->f_stacktop == NULL) {
if (PyCoro_CheckExact(gen) && !closing) {
/* `gen` is an exhausted coroutine: raise an error,
except when called from gen_close(), which should
always be a silent method. */
PyErr_SetString(
PyExc_RuntimeError,
"cannot reuse already awaited coroutine");
} else if (arg && !exc) {
/* `gen` is an exhausted generator:
only set exception if called from send(). */
PyErr_SetNone(PyExc_StopIteration);
}
return NULL;
}
if (f->f_lasti == -1) {
if (arg && arg != Py_None) {
char *msg = "can't send non-None value to a "
"just-started generator";
if (PyCoro_CheckExact(gen))
msg = "can't send non-None value to a "
"just-started coroutine";
PyErr_SetString(PyExc_TypeError, msg);
return NULL;
}
} else {
/* Push arg onto the frame's value stack */
result = arg ? arg : Py_None;
Py_INCREF(result);
*(f->f_stacktop++) = result;
}
/* Generators always return to their most recent caller, not
* necessarily their creator. */
Py_XINCREF(tstate->frame);
assert(f->f_back == NULL);
f->f_back = tstate->frame;
gen->gi_running = 1;
result = PyEval_EvalFrameEx(f, exc);
gen->gi_running = 0;
/* Don't keep the reference to f_back any longer than necessary. It
* may keep a chain of frames alive or it could create a reference
* cycle. */
assert(f->f_back == tstate->frame);
Py_CLEAR(f->f_back);
/* If the generator just returned (as opposed to yielding), signal
* that the generator is exhausted. */
if (result && f->f_stacktop == NULL) {
if (result == Py_None) {
/* Delay exception instantiation if we can */
PyErr_SetNone(PyExc_StopIteration);
} else {
PyObject *e = PyObject_CallFunctionObjArgs(
PyExc_StopIteration, result, NULL);
if (e != NULL) {
PyErr_SetObject(PyExc_StopIteration, e);
Py_DECREF(e);
}
}
Py_CLEAR(result);
}
else if (!result && PyErr_ExceptionMatches(PyExc_StopIteration)) {
/* Check for __future__ generator_stop and conditionally turn
* a leaking StopIteration into RuntimeError (with its cause
* set appropriately). */
if (((PyCodeObject *)gen->gi_code)->co_flags &
(CO_FUTURE_GENERATOR_STOP | CO_COROUTINE | CO_ITERABLE_COROUTINE))
{
PyObject *exc, *val, *val2, *tb;
char *msg = "generator raised StopIteration";
if (PyCoro_CheckExact(gen))
msg = "coroutine raised StopIteration";
PyErr_Fetch(&exc, &val, &tb);
PyErr_NormalizeException(&exc, &val, &tb);
if (tb != NULL)
PyException_SetTraceback(val, tb);
Py_DECREF(exc);
Py_XDECREF(tb);
PyErr_SetString(PyExc_RuntimeError, msg);
PyErr_Fetch(&exc, &val2, &tb);
PyErr_NormalizeException(&exc, &val2, &tb);
Py_INCREF(val);
PyException_SetCause(val2, val);
PyException_SetContext(val2, val);
PyErr_Restore(exc, val2, tb);
}
else {
PyObject *exc, *val, *tb;
/* Pop the exception before issuing a warning. */
PyErr_Fetch(&exc, &val, &tb);
if (PyErr_WarnFormat(PyExc_DeprecationWarning, 1,
"generator '%.50S' raised StopIteration",
gen->gi_qualname)) {
/* Warning was converted to an error. */
Py_XDECREF(exc);
Py_XDECREF(val);
Py_XDECREF(tb);
}
else {
PyErr_Restore(exc, val, tb);
}
}
}
if (!result || f->f_stacktop == NULL) {
/* generator can't be rerun, so release the frame */
/* first clean reference cycle through stored exception traceback */
PyObject *t, *v, *tb;
t = f->f_exc_type;
v = f->f_exc_value;
tb = f->f_exc_traceback;
f->f_exc_type = NULL;
f->f_exc_value = NULL;
f->f_exc_traceback = NULL;
Py_XDECREF(t);
Py_XDECREF(v);
Py_XDECREF(tb);
gen->gi_frame->f_gen = NULL;
gen->gi_frame = NULL;
Py_DECREF(f);
}
return result;
}
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
_Py_PrintFatalError(int fd)
{
PyObject *ferr, *res;
PyObject *exception, *v, *tb;
int has_tb;
PyThreadState *tstate;
PyErr_Fetch(&exception, &v, &tb);
if (exception == NULL) {
/* No current exception */
goto display_stack;
}
ferr = _PySys_GetObjectId(&PyId_stderr);
if (ferr == NULL || ferr == Py_None) {
/* sys.stderr is not set yet or set to None,
no need to try to display the exception */
goto display_stack;
}
PyErr_NormalizeException(&exception, &v, &tb);
if (tb == NULL) {
tb = Py_None;
Py_INCREF(tb);
}
PyException_SetTraceback(v, tb);
if (exception == NULL) {
/* PyErr_NormalizeException() failed */
goto display_stack;
}
has_tb = (tb != Py_None);
PyErr_Display(exception, v, tb);
Py_XDECREF(exception);
Py_XDECREF(v);
Py_XDECREF(tb);
/* sys.stderr may be buffered: call sys.stderr.flush() */
res = _PyObject_CallMethodId(ferr, &PyId_flush, "");
if (res == NULL)
PyErr_Clear();
else
Py_DECREF(res);
if (has_tb)
return;
display_stack:
#ifdef WITH_THREAD
/* PyGILState_GetThisThreadState() works even if the GIL was released */
tstate = PyGILState_GetThisThreadState();
#else
tstate = PyThreadState_GET();
#endif
if (tstate == NULL) {
/* _Py_DumpTracebackThreads() requires the thread state to display
* frames */
return;
}
fputc('\n', stderr);
fflush(stderr);
/* display the current Python stack */
_Py_DumpTracebackThreads(fd, tstate->interp, tstate);
}
