def make_pyexcclass2exc(self, rtyper):
# ll_pyexcclass2exc(python_exception_class) -> exception_instance
table = {}
Exception_def = rtyper.annotator.bookkeeper.getuniqueclassdef(Exception)
for clsdef in rtyper.class_reprs:
if (clsdef and clsdef is not Exception_def
and clsdef.issubclass(Exception_def)):
if not hasattr(clsdef.classdesc, 'pyobj'):
continue
cls = clsdef.classdesc.pyobj
if cls in self.standardexceptions and cls not in FORCE_ATTRIBUTES_INTO_CLASSES:
is_standard = True
assert not clsdef.attrs, (
"%r should not have grown attributes" % (cls,))
else:
is_standard = (cls.__module__ == 'exceptions'
and not clsdef.attrs)
if is_standard:
example = self.get_standard_ll_exc_instance(rtyper, clsdef)
table[cls] = example
r_inst = rclass.getinstancerepr(rtyper, None)
r_inst.setup()
r_class = rclass.getclassrepr(rtyper, None)
r_class.setup()
default_excinst = ootype.new(self.lltype_of_exception_value)
default_excinst.meta = r_class.get_meta_instance()
# build the table in order base classes first, subclasses last
sortedtable = []
def add_class(cls):
if cls in table:
for base in cls.__bases__:
add_class(base)
sortedtable.append((cls, table[cls]))
del table[cls]
for cls in table.keys():
add_class(cls)
assert table == {}
initial_value_of_i = len(sortedtable) - 1
def pyexcclass2exc(python_exception_class):
python_exception_class = python_exception_class._obj.value
i = initial_value_of_i
while i >= 0:
if issubclass(python_exception_class, sortedtable[i][0]):
return sortedtable[i][1]
i -= 1
return default_excinst
# This function will only be used by the llinterpreter which usually
# expects a low-level callable (_meth, _static_meth), so we just
# fake it here.
FakeCallableType = ootype.OOType()
FakeCallableType.ARGS = ()
class fake_callable(object):
def __init__(self, fn):
self._TYPE = FakeCallableType
self._callable = fn
return fake_callable(pyexcclass2exc)
def make_pyexcclass2exc(self, rtyper):
# ll_pyexcclass2exc(python_exception_class) -> exception_instance
table = {}
Exception_def = rtyper.annotator.bookkeeper.getuniqueclassdef(Exception)
for clsdef in rtyper.class_reprs:
if (clsdef and clsdef is not Exception_def
and clsdef.issubclass(Exception_def)):
if not hasattr(clsdef.classdesc, 'pyobj'):
continue
cls = clsdef.classdesc.pyobj
if cls in self.standardexceptions and cls not in FORCE_ATTRIBUTES_INTO_CLASSES:
is_standard = True
assert not clsdef.attrs, (
"%r should not have grown attributes" % (cls,))
else:
is_standard = (cls.__module__ == 'exceptions'
and not clsdef.attrs)
if is_standard:
example = self.get_standard_ll_exc_instance(rtyper, clsdef)
table[cls] = example
r_inst = rclass.getinstancerepr(rtyper, None)
r_inst.setup()
r_class = rclass.getclassrepr(rtyper, None)
r_class.setup()
default_excinst = ootype.new(self.lltype_of_exception_value)
# build the table in order base classes first, subclasses last
sortedtable = []
def add_class(cls):
if cls in table:
for base in cls.__bases__:
add_class(base)
sortedtable.append((cls, table[cls]))
del table[cls]
for cls in table.keys():
add_class(cls)
assert table == {}
initial_value_of_i = len(sortedtable) - 1
def pyexcclass2exc(python_exception_class):
python_exception_class = python_exception_class._obj.value
i = initial_value_of_i
while i >= 0:
if issubclass(python_exception_class, sortedtable[i][0]):
return sortedtable[i][1]
i -= 1
return default_excinst
# This function will only be used by the llinterpreter which usually
# expects a low-level callable (_meth, _static_meth), so we just
# fake it here.
FakeCallableType = ootype.OOType()
FakeCallableType.ARGS = ()
class fake_callable(object):
def __init__(self, fn):
self._TYPE = FakeCallableType
self._callable = fn
return fake_callable(pyexcclass2exc)
def _compute_exception_instance(self, rtyper):
excdef = rtyper.annotator.bookkeeper.getuniqueclassdef(Exception)
excrepr = rclass.getinstancerepr(rtyper, excdef)
self._EXCEPTION_INST = excrepr.lowleveltype
def _compute_exception_instance(self, rtyper):
excdef = rtyper.annotator.bookkeeper.getuniqueclassdef(Exception)
excrepr = rclass.getinstancerepr(rtyper, excdef)
self._EXCEPTION_INST = excrepr.lowleveltype