def compute_result_annotation(self, type_s, length_s):
from pypy.translator.cli.query import get_cli_class
assert type_s.is_constant()
assert isinstance(length_s, SomeInteger)
TYPE = type_s.const._INSTANCE
fullname = '%s.%s[]' % (TYPE._namespace, TYPE._classname)
cliArray = get_cli_class(fullname)
return SomeOOInstance(cliArray._INSTANCE)
def compute_result_annotation(self, s_value, s_type):
if isinstance(s_type.const, ootype.OOType):
TYPE = s_type.const
else:
cliClass = s_type.const
TYPE = cliClass._INSTANCE
assert ootype.isSubclass(TYPE, s_value.ootype)
return SomeOOInstance(TYPE)
def lltype_to_annotation(cls, TYPE):
if isinstance(TYPE, NativeInstance):
return SomeOOInstance(TYPE)
elif TYPE is ootype.Char:
return SomeChar()
elif TYPE is ootype.String:
return SomeString(can_be_None=True)
else:
return lltype_to_annotation(TYPE)
def compute_result_annotation(self, type_s, *args_s):
from pypy.translator.cli.query import get_cli_class
assert type_s.is_constant()
TYPE = type_s.const._INSTANCE
for i, arg_s in enumerate(args_s):
if TYPE is not arg_s.ootype:
raise TypeError, 'Wrong type of arg #%d: %s expected, %s found' % \
(i, TYPE, arg_s.ootype)
fullname = '%s.%s[]' % (TYPE._namespace, TYPE._classname)
cliArray = get_cli_class(fullname)
return SomeOOInstance(cliArray._INSTANCE)
def cast_from_object(T, obj):
TYPE = T.const
if TYPE is ootype.Object:
return SomeOOObject()
elif TYPE is ootype.Class:
return SomeOOClass(ootype.ROOT) # ???
elif isinstance(TYPE, ootype.StaticMethod):
return SomeOOStaticMeth(TYPE)
elif isinstance(TYPE, ootype.OOType):
return SomeOOInstance(TYPE)
else:
raise AnnotatorError, 'Cannot cast Object to %s' % TYPE
def compute_result_annotation(self, x_s, type_s):
assert isinstance(x_s, SomeOOInstance)
assert isinstance(x_s.ootype, NativeInstance)
assert type_s.is_constant()
TYPE = type_s.const
if isinstance(TYPE, (type, types.ClassType)):
# it's a user-defined class, so we return SomeInstance
# can_be_None == True because it can always return None, if it fails
classdef = self.bookkeeper.getuniqueclassdef(TYPE)
return SomeInstance(classdef, can_be_None=True)
elif isinstance(TYPE, ootype.StaticMethod):
return SomeOOStaticMeth(TYPE)
elif isinstance(TYPE, ootype.OOType):
return SomeOOInstance(TYPE)
else:
assert TYPE in BOXABLE_TYPES
return OverloadingResolver.lltype_to_annotation(TYPE)
def oodowncast(I, i):
assert isinstance(I.const, ootype.Instance)
if ootype.isSubclass(I.const, i.ootype):
return SomeOOInstance(I.const)
else:
raise AnnotatorError, 'Cannot cast %s to %s' % (i.ootype, I.const)
def oonewarray(s_type, length):
assert s_type.is_constant()
return SomeOOInstance(s_type.const)
def runtimenew(c):
assert isinstance(c, SomeOOClass)
if c.ootype is None:
return s_ImpossibleValue # can't call runtimenew(NULL)
else:
return SomeOOInstance(c.ootype)
def union((r1, r2)):
common = ootype.commonBaseclass(r1.ootype, r2.ootype)
assert common is not None, 'Mixing of incompatible instances %r, %r' % (
r1.ootype, r2.ootype)
return SomeOOInstance(common,
can_be_None=r1.can_be_None or r2.can_be_None)
def new(I):
assert I.is_constant()
i = ootype.new(I.const)
r = SomeOOInstance(ootype.typeOf(i))
return r
def compute_annotation(self):
return SomeOOInstance(CLR.System.Reflection.FieldInfo._INSTANCE)
def getitem((ooinst, index)):
if ooinst.ootype._isArray:
return SomeOOInstance(ooinst.ootype._ELEMENT)
return s_ImpossibleValue
def compute_result_annotation(self, s_type, s_value):
assert s_type.is_constant()
T = s_type.const
assert isinstance(T, ootype.Record)
can_be_None = getattr(s_value, 'can_be_None', False)
return SomeOOInstance(T, can_be_None)
def compute_result_annotation(self, s_const):
assert s_const.is_constant()
return SomeOOInstance(CLR.System.Reflection.FieldInfo._INSTANCE)
def compute_result_annotation(self):
return SomeOOInstance(self.instance._INSTANCE)
def compute_result_annotation(self, s_value):
assert isinstance(s_value, annmodel.SomeOOObject)
assert s_value.ootype is ootype.Object
return SomeOOInstance(CLR.System.Object._INSTANCE)
def compute_result_annotation(self, s_value):
from pypy.translator.cli.query import get_cli_class
cliType = get_cli_class('System.EventHandler')
return SomeOOInstance(cliType._INSTANCE)
def compute_result_annotation(self, cliClass_s):
from pypy.translator.cli.query import get_cli_class
assert cliClass_s.is_constant()
cliType = get_cli_class('System.Type')
return SomeOOInstance(cliType._INSTANCE)
def simple_call(self, *s_args):
assert self.is_constant()
return SomeOOInstance(self.const._INSTANCE)
def compute_result_annotation(self, x_s):
can_be_None = getattr(x_s, 'can_be_None', False)
return SomeOOInstance(CLR.System.Object._INSTANCE,
can_be_None=can_be_None)
def compute_result_annotation(self, exc_s):
assert isinstance(exc_s, SomeInstance)
cls = exc_s.classdef.classdesc.pyobj
assert issubclass(cls, Exception)
NATIVE_INSTANCE = cls._rpython_hints['NATIVE_INSTANCE']
return SomeOOInstance(NATIVE_INSTANCE)
def immutablevalue(self, x, need_const=True):
"""The most precise SomeValue instance that contains the
immutable value x."""
# convert unbound methods to the underlying function
if hasattr(x, 'im_self') and x.im_self is None:
x = x.im_func
assert not hasattr(x, 'im_self')
if x is sys: # special case constant sys to someobject
return SomeObject()
tp = type(x)
if issubclass(tp, Symbolic): # symbolic constants support
result = x.annotation()
result.const_box = Constant(x)
return result
if tp is bool:
result = SomeBool()
elif tp is int:
result = SomeInteger(nonneg=x >= 0)
elif tp is long:
if -sys.maxint - 1 <= x <= sys.maxint:
x = int(x)
result = SomeInteger(nonneg=x >= 0)
else:
raise Exception("seeing a prebuilt long (value %s)" % hex(x))
elif issubclass(tp, str): # py.lib uses annotated str subclasses
if len(x) == 1:
result = SomeChar()
else:
result = SomeString()
elif tp is unicode:
if len(x) == 1:
result = SomeUnicodeCodePoint()
else:
result = SomeUnicodeString()
elif tp is tuple:
result = SomeTuple(
items=[self.immutablevalue(e, need_const) for e in x])
elif tp is float:
result = SomeFloat()
elif tp is list:
if need_const:
key = Constant(x)
try:
return self.immutable_cache[key]
except KeyError:
result = SomeList(ListDef(self, s_ImpossibleValue))
self.immutable_cache[key] = result
for e in x:
result.listdef.generalize(self.immutablevalue(e))
result.const_box = key
return result
else:
listdef = ListDef(self, s_ImpossibleValue)
for e in x:
listdef.generalize(self.immutablevalue(e, False))
result = SomeList(listdef)
elif tp is dict or tp is r_dict:
if need_const:
key = Constant(x)
try:
return self.immutable_cache[key]
except KeyError:
result = SomeDict(
DictDef(self,
s_ImpossibleValue,
s_ImpossibleValue,
is_r_dict=tp is r_dict))
self.immutable_cache[key] = result
if tp is r_dict:
s_eqfn = self.immutablevalue(x.key_eq)
s_hashfn = self.immutablevalue(x.key_hash)
result.dictdef.dictkey.update_rdict_annotations(
s_eqfn, s_hashfn)
seen_elements = 0
while seen_elements != len(x):
items = x.items()
for ek, ev in items:
result.dictdef.generalize_key(
self.immutablevalue(ek))
result.dictdef.generalize_value(
self.immutablevalue(ev))
result.dictdef.seen_prebuilt_key(ek)
seen_elements = len(items)
# if the dictionary grew during the iteration,
# start over again
result.const_box = key
return result
else:
dictdef = DictDef(self,
s_ImpossibleValue,
s_ImpossibleValue,
is_r_dict=tp is r_dict)
if tp is r_dict:
s_eqfn = self.immutablevalue(x.key_eq)
s_hashfn = self.immutablevalue(x.key_hash)
dictdef.dictkey.update_rdict_annotations(s_eqfn, s_hashfn)
for ek, ev in x.iteritems():
dictdef.generalize_key(self.immutablevalue(ek, False))
dictdef.generalize_value(self.immutablevalue(ev, False))
dictdef.seen_prebuilt_key(ek)
result = SomeDict(dictdef)
elif tp is weakref.ReferenceType:
x1 = x()
if x1 is None:
result = SomeWeakRef(None) # dead weakref
else:
s1 = self.immutablevalue(x1)
assert isinstance(s1, SomeInstance)
result = SomeWeakRef(s1.classdef)
elif ishashable(x) and x in BUILTIN_ANALYZERS:
_module = getattr(x, "__module__", "unknown")
result = SomeBuiltin(BUILTIN_ANALYZERS[x],
methodname="%s.%s" % (_module, x.__name__))
elif extregistry.is_registered(x, self.policy):
entry = extregistry.lookup(x, self.policy)
result = entry.compute_annotation_bk(self)
elif isinstance(x, lltype._ptr):
result = SomePtr(lltype.typeOf(x))
elif isinstance(x, llmemory.fakeaddress):
result = SomeAddress()
elif isinstance(x, ootype._static_meth):
result = SomeOOStaticMeth(ootype.typeOf(x))
elif isinstance(x, ootype._class):
result = SomeOOClass(x._INSTANCE) # NB. can be None
elif isinstance(x, ootype.instance_impl): # XXX
result = SomeOOInstance(ootype.typeOf(x))
elif isinstance(x, (ootype._record, ootype._string)):
result = SomeOOInstance(ootype.typeOf(x))
elif isinstance(x, (ootype._object)):
result = SomeOOObject()
elif callable(x):
if hasattr(x, 'im_self') and hasattr(x, 'im_func'):
# on top of PyPy, for cases like 'l.append' where 'l' is a
# global constant list, the find_method() returns non-None
s_self = self.immutablevalue(x.im_self, need_const)
result = s_self.find_method(x.im_func.__name__)
elif hasattr(x, '__self__') and x.__self__ is not None:
# for cases like 'l.append' where 'l' is a global constant list
s_self = self.immutablevalue(x.__self__, need_const)
result = s_self.find_method(x.__name__)
if result is None:
result = SomeObject()
else:
result = None
if result is None:
if (self.annotator.policy.allow_someobjects
and getattr(x, '__module__', None) == '__builtin__'
# XXX note that the print support functions are __builtin__
and tp not in (types.FunctionType, types.MethodType)):
result = SomeObject()
result.knowntype = tp # at least for types this needs to be correct
else:
result = SomePBC([self.getdesc(x)])
elif hasattr(x, '_freeze_') and x._freeze_():
# user-defined classes can define a method _freeze_(), which
# is called when a prebuilt instance is found. If the method
# returns True, the instance is considered immutable and becomes
# a SomePBC(). Otherwise it's just SomeInstance().
result = SomePBC([self.getdesc(x)])
elif hasattr(x, '__class__') \
and x.__class__.__module__ != '__builtin__':
self.see_mutable(x)
result = SomeInstance(self.getuniqueclassdef(x.__class__))
elif x is None:
return s_None
else:
result = SomeObject()
if need_const:
result.const = x
return result
def compute_result_annotation(self, s_value):
T = s_value.ootype
assert isinstance(T, ootype.Record)
can_be_None = getattr(s_value, 'can_be_None', False)
return SomeOOInstance(CLR.System.Object._INSTANCE,
can_be_None=can_be_None)
