def union((int1, int2)):
if int1.unsigned == int2.unsigned:
knowntype = rarithmetic.compute_restype(int1.knowntype,
int2.knowntype)
else:
t1 = int1.knowntype
if t1 is bool:
t1 = int
t2 = int2.knowntype
if t2 is bool:
t2 = int
if t2 is int:
if int2.nonneg == False:
raise UnionError, "Merging %s and a possibly negative int is not allowed" % t1
knowntype = t1
elif t1 is int:
if int1.nonneg == False:
raise UnionError, "Merging %s and a possibly negative int is not allowed" % t2
knowntype = t2
else:
raise UnionError, "Merging these types (%s, %s) is not supported" % (
t1, t2)
return SomeInteger(nonneg=int1.nonneg and int2.nonneg,
knowntype=knowntype)
def union((int1, int2)):
if int1.unsigned == int2.unsigned:
knowntype = rarithmetic.compute_restype(int1.knowntype,
int2.knowntype)
else:
t1 = int1.knowntype
if t1 is bool:
t1 = int
t2 = int2.knowntype
if t2 is bool:
t2 = int
if t2 is int:
if int2.nonneg == False:
raise UnionError, "Merging %s and a possibly negative int is not allowed" % t1
knowntype = t1
elif t1 is int:
if int1.nonneg == False:
raise UnionError, "Merging %s and a possibly negative int is not allowed" % t2
knowntype = t2
else:
raise UnionError, "Merging these types (%s, %s) is not supported" % (
t1, t2)
return SomeInteger(
nonneg=int1.nonneg and int2.nonneg, knowntype=knowntype)
class __extend__(pairtype(SomeInteger, SomeInteger)):
# unsignedness is considered a rare and contagious disease
def union((int1, int2)):
knowntype = rarithmetic.compute_restype(int1.knowntype, int2.knowntype)
return SomeInteger(nonneg=int1.nonneg and int2.nonneg,
knowntype=knowntype)
or_ = xor = add = mul = _clone(union, [])
add_ovf = mul_ovf = _clone(union, [OverflowError])
div = floordiv = mod = _clone(union, [ZeroDivisionError])
div_ovf = floordiv_ovf = mod_ovf = _clone(
union, [ZeroDivisionError, OverflowError])
def truediv((int1, int2)):
return SomeFloat()
truediv.can_only_throw = [ZeroDivisionError]
truediv_ovf = _clone(truediv, [ZeroDivisionError, OverflowError])
inplace_div = div
inplace_truediv = truediv
def sub((int1, int2)):
knowntype = rarithmetic.compute_restype(int1.knowntype, int2.knowntype)
return SomeInteger(knowntype=knowntype)
sub.can_only_throw = []
sub_ovf = _clone(sub, [OverflowError])
def and_((int1, int2)):
knowntype = rarithmetic.compute_restype(int1.knowntype, int2.knowntype)
return SomeInteger(nonneg=int1.nonneg or int2.nonneg,
knowntype=knowntype)
and_.can_only_throw = []
def lshift((int1, int2)):
if isinstance(int1, SomeBool):
return SomeInteger()
else:
return SomeInteger(knowntype=int1.knowntype)
lshift.can_only_throw = []
lshift_ovf = _clone(lshift, [OverflowError])
def rshift((int1, int2)):
if isinstance(int1, SomeBool):
return SomeInteger(nonneg=True)
else:
return SomeInteger(nonneg=int1.nonneg, knowntype=int1.knowntype)
rshift.can_only_throw = []
def pow((int1, int2), obj3):
knowntype = rarithmetic.compute_restype(int1.knowntype, int2.knowntype)
return SomeInteger(nonneg=int1.nonneg, knowntype=knowntype)
def unify_scalar_tp(item1, item2):
typecode = None
if float in (item1.knowntype, item2.knowntype):
typecode = 'd'
else:
item_knowntype = rarithmetic.compute_restype(item1.knowntype, item2.knowntype)
for typecode, s_item in SomeArray.typecode_to_item.items():
if s_item.knowntype == item_knowntype:
break
if typecode is None:
raise AnnotatorError()
return typecode
def unify_scalar_tp(item1, item2):
typecode = None
if float in (item1.knowntype, item2.knowntype):
typecode = 'd'
else:
item_knowntype = rarithmetic.compute_restype(item1.knowntype,
item2.knowntype)
for typecode, s_item in SomeArray.typecode_to_item.items():
if s_item.knowntype == item_knowntype:
break
if typecode is None:
raise AnnotatorError()
return typecode
def inplace_pow((int1, int2)):
knowntype = rarithmetic.compute_restype(int1.knowntype, int2.knowntype)
return SomeInteger(nonneg = int1.nonneg,
knowntype=knowntype)
def and_((int1, int2)):
knowntype = rarithmetic.compute_restype(int1.knowntype, int2.knowntype)
return SomeInteger(nonneg=int1.nonneg or int2.nonneg,
knowntype=knowntype)
def sub((int1, int2)):
knowntype = rarithmetic.compute_restype(int1.knowntype, int2.knowntype)
return SomeInteger(knowntype=knowntype)
def inplace_pow((int1, int2)):
knowntype = rarithmetic.compute_restype(int1.knowntype, int2.knowntype)
return SomeInteger(nonneg=int1.nonneg, knowntype=knowntype)
def and_((int1, int2)):
knowntype = rarithmetic.compute_restype(int1.knowntype, int2.knowntype)
return SomeInteger(nonneg=int1.nonneg or int2.nonneg,
knowntype=knowntype)
def sub((int1, int2)):
knowntype = rarithmetic.compute_restype(int1.knowntype, int2.knowntype)
return SomeInteger(knowntype=knowntype)
class __extend__(pairtype(SomeInteger, SomeInteger)):
# unsignedness is considered a rare and contagious disease
def union((int1, int2)):
if int1.unsigned == int2.unsigned:
knowntype = rarithmetic.compute_restype(int1.knowntype,
int2.knowntype)
else:
t1 = int1.knowntype
if t1 is bool:
t1 = int
t2 = int2.knowntype
if t2 is bool:
t2 = int
if t2 is int:
if int2.nonneg == False:
raise UnionError, "Merging %s and a possibly negative int is not allowed" % t1
knowntype = t1
elif t1 is int:
if int1.nonneg == False:
raise UnionError, "Merging %s and a possibly negative int is not allowed" % t2
knowntype = t2
else:
raise UnionError, "Merging these types (%s, %s) is not supported" % (
t1, t2)
return SomeInteger(nonneg=int1.nonneg and int2.nonneg,
knowntype=knowntype)
or_ = xor = add = mul = _clone(union, [])
add_ovf = mul_ovf = _clone(union, [OverflowError])
div = floordiv = mod = _clone(union, [ZeroDivisionError])
div_ovf = floordiv_ovf = mod_ovf = _clone(
union, [ZeroDivisionError, OverflowError])
def truediv((int1, int2)):
return SomeFloat()
truediv.can_only_throw = [ZeroDivisionError]
truediv_ovf = _clone(truediv, [ZeroDivisionError, OverflowError])
inplace_div = div
inplace_truediv = truediv
def sub((int1, int2)):
knowntype = rarithmetic.compute_restype(int1.knowntype, int2.knowntype)
return SomeInteger(knowntype=knowntype)
sub.can_only_throw = []
sub_ovf = _clone(sub, [OverflowError])
def and_((int1, int2)):
knowntype = rarithmetic.compute_restype(int1.knowntype, int2.knowntype)
return SomeInteger(nonneg=int1.nonneg or int2.nonneg,
knowntype=knowntype)
and_.can_only_throw = []
def lshift((int1, int2)):
if isinstance(int1, SomeBool):
return SomeInteger()
else:
return SomeInteger(knowntype=int1.knowntype)
lshift.can_only_throw = []
lshift_ovf = _clone(lshift, [OverflowError])
def rshift((int1, int2)):
if isinstance(int1, SomeBool):
return SomeInteger(nonneg=True)
else:
return SomeInteger(nonneg=int1.nonneg, knowntype=int1.knowntype)
rshift.can_only_throw = []
def pow((int1, int2), obj3):
knowntype = rarithmetic.compute_restype(int1.knowntype, int2.knowntype)
return SomeInteger(nonneg=int1.nonneg, knowntype=knowntype)