def throw(self, w_type, w_val, w_tb):
from pypy.interpreter.pytraceback import check_traceback
space = self.space
if w_val is None:
w_val = space.w_None
msg = "throw() third argument must be a traceback object"
if space.is_none(w_tb):
tb = None
else:
tb = check_traceback(space, w_tb, msg)
operr = OperationError(w_type, w_val, tb)
operr.normalize_exception(space)
# note: w_yielded_from is always None if 'self.running'
if (self.w_yielded_from is not None
and operr.match(space, space.w_GeneratorExit)):
try:
self._gen_close_iter(space)
except OperationError as e:
return self.send_error(e)
if tb is None:
tb = space.getattr(operr.get_w_value(space),
space.newtext('__traceback__'))
if not space.is_w(tb, space.w_None):
operr.set_traceback(tb)
return self.send_error(operr)
def PyErr_SetExcInfo(space, w_type, w_value, w_traceback):
"""---Cython extension---
Set the exception info, as known from ``sys.exc_info()``. This refers
to an exception that was already caught, not to an exception that was
freshly raised. This function steals the references of the arguments.
To clear the exception state, pass *NULL* for all three arguments.
For general rules about the three arguments, see :c:func:`PyErr_Restore`.
.. note::
This function is not normally used by code that wants to handle
exceptions. Rather, it can be used when code needs to save and
restore the exception state temporarily. Use
:c:func:`PyErr_GetExcInfo` to read the exception state.
"""
if w_value is None or space.is_w(w_value, space.w_None):
operror = None
else:
tb = None
if w_traceback is not None:
try:
tb = pytraceback.check_traceback(space, w_traceback, '?')
except OperationError: # catch and ignore bogus objects
pass
operror = OperationError(w_type, w_value, tb)
#
ec = space.getexecutioncontext()
ec.set_sys_exc_info(operror)
Py_DecRef(space, w_type)
Py_DecRef(space, w_value)
Py_DecRef(space, w_traceback)
def RAISE_VARARGS(f, nbargs, *ignored):
space = f.space
if nbargs == 0:
operror = space.getexecutioncontext().sys_exc_info()
if operror is None:
raise OperationError(space.w_TypeError,
space.wrap("raise: no active exception to re-raise"))
# re-raise, no new traceback obj will be attached
f.last_exception = operror
raise Reraise
w_value = w_traceback = space.w_None
if nbargs >= 3: w_traceback = f.popvalue()
if nbargs >= 2: w_value = f.popvalue()
if 1: w_type = f.popvalue()
operror = OperationError(w_type, w_value)
operror.normalize_exception(space)
if not space.full_exceptions or space.is_w(w_traceback, space.w_None):
# common case
raise operror
else:
from pypy.interpreter.pytraceback import check_traceback
msg = "raise: arg 3 must be a traceback or None"
tb = check_traceback(space, w_traceback, msg)
operror.application_traceback = tb
# special 3-arguments raise, no new traceback obj will be attached
raise RaiseWithExplicitTraceback(operror)
def PyErr_SetExcInfo(space, py_type, py_value, py_traceback):
"""---Cython extension---
Set the exception info, as known from ``sys.exc_info()``. This refers
to an exception that was already caught, not to an exception that was
freshly raised. This function steals the references of the arguments.
To clear the exception state, pass *NULL* for all three arguments.
For general rules about the three arguments, see :c:func:`PyErr_Restore`.
.. note::
This function is not normally used by code that wants to handle
exceptions. Rather, it can be used when code needs to save and
restore the exception state temporarily. Use
:c:func:`PyErr_GetExcInfo` to read the exception state.
"""
w_type = get_w_obj_and_decref(space, py_type)
w_value = get_w_obj_and_decref(space, py_value)
w_traceback = get_w_obj_and_decref(space, py_traceback)
if w_value is None or space.is_w(w_value, space.w_None):
operror = None
else:
tb = None
if w_traceback is not None:
try:
tb = pytraceback.check_traceback(space, w_traceback, '?')
except OperationError: # catch and ignore bogus objects
pass
operror = OperationError(w_type, w_value, tb)
#
ec = space.getexecutioncontext()
ec.set_sys_exc_info(operror)
def throw(self, w_type, w_val, w_tb):
from pypy.interpreter.pytraceback import check_traceback
space = self.space
msg = "throw() third argument must be a traceback object"
if space.is_w(w_tb, space.w_None):
tb = None
else:
tb = check_traceback(space, w_tb, msg)
operr = OperationError(w_type, w_val, tb)
operr.normalize_exception(space)
return self.send_ex(space.w_None, operr)
def throw(self, w_type, w_val, w_tb):
from pypy.interpreter.pytraceback import check_traceback
space = self.space
msg = "throw() third argument must be a traceback object"
if space.is_none(w_tb):
tb = None
else:
tb = check_traceback(space, w_tb, msg)
operr = OperationError(w_type, w_val, tb)
operr.normalize_exception(space)
return self.send_ex(space.w_None, operr)
def descr_throw(self, w_type, w_val=None, w_tb=None, w_to=None):
from pypy.interpreter.pytraceback import check_traceback
space = self.space
#
msg = "throw() third argument must be a traceback object"
if space.is_none(w_tb):
tb = None
else:
tb = check_traceback(space, w_tb, msg)
#
operr = OperationError(w_type, w_val, tb)
operr.normalize_exception(space)
global_state.w_value = None
global_state.propagate_exception = operr
return self.switch(w_to)
def descr_throw(self, w_type, w_val=None, w_tb=None, w_to=None):
from pypy.interpreter.pytraceback import check_traceback
space = self.space
#
msg = "throw() third argument must be a traceback object"
if space.is_none(w_tb):
tb = None
else:
tb = check_traceback(space, w_tb, msg)
#
operr = OperationError(w_type, w_val, tb)
operr.normalize_exception(space)
global_state.w_value = None
global_state.propagate_exception = operr
return self.switch(w_to)
def set_sys_exc_info3(self, w_type, w_value, w_traceback):
from pypy.interpreter import pytraceback
space = self.space
if space.is_none(w_value):
operror = None
else:
tb = None
if not space.is_none(w_traceback):
try:
tb = pytraceback.check_traceback(space, w_traceback, '?')
except OperationError: # catch and ignore bogus objects
pass
operror = OperationError(w_type, w_value, tb)
self.set_sys_exc_info(operror)
def throw(self, w_type, w_val, w_tb):
from pypy.interpreter.pytraceback import check_traceback
space = self.space
msg = "throw() third argument must be a traceback object"
if space.is_w(w_tb, space.w_None):
tb = None
else:
tb = check_traceback(space, w_tb, msg)
operr = OperationError(w_type, w_val, tb)
operr.normalize_exception(space)
ec = space.getexecutioncontext()
next_instr = self.frame.handle_operation_error(ec, operr)
self.frame.last_instr = intmask(next_instr - 1)
return self.send_ex(space.w_None, True)
def throw(self, w_type, w_val, w_tb):
from pypy.interpreter.pytraceback import check_traceback
space = self.space
msg = "throw() third argument must be a traceback object"
if space.is_none(w_tb):
tb = None
else:
tb = check_traceback(space, w_tb, msg)
operr = OperationError(w_type, w_val, tb)
operr.normalize_exception(space)
if tb is None:
tb = space.getattr(operr.get_w_value(space),
space.wrap('__traceback__'))
if not space.is_w(tb, space.w_None):
operr.set_traceback(tb)
return self.send_ex(space.w_None, operr)
def throw(self, w_type, w_val, w_tb):
from pypy.interpreter.pytraceback import check_traceback
space = self.space
msg = "throw() third argument must be a traceback object"
if space.is_w(w_tb, space.w_None):
tb = None
else:
tb = check_traceback(space, w_tb, msg)
operr = OperationError(w_type, w_val, tb)
operr.normalize_exception(space)
ec = space.getexecutioncontext()
next_instr = self.frame.handle_operation_error(ec, operr)
self.frame.last_instr = intmask(next_instr - 1)
return self.send_ex(space.w_None, True)
def descr_settraceback(self, space, w_newtraceback):
msg = '__traceback__ must be a traceback or None'
if not space.is_w(w_newtraceback, space.w_None):
w_newtraceback = check_traceback(space, w_newtraceback, msg)
self.w_traceback = w_newtraceback
def descr_settraceback(self, space, w_newtraceback):
msg = '__traceback__ must be a traceback or None'
if not space.is_w(w_newtraceback, space.w_None):
w_newtraceback = check_traceback(space, w_newtraceback, msg)
self.w_traceback = w_newtraceback
