def bound(a, b):
if a is None and b is None:
return IntUnbounded()
elif a is None:
return IntUpperBound(b)
elif b is None:
return IntLowerBound(a)
else:
return IntBound(a, b)
def __init__(self, box, level=None, known_class=None, intbound=None):
OptValue.__init__(self, box, level, None, None)
if isinstance(box, Const):
return
if intbound:
self.intbound = intbound
else:
if isinstance(box, BoxInt):
self.intbound = IntBound(MININT, MAXINT)
else:
self.intbound = IntUnbounded()
def __init__(self, value, is_opaque=False):
self.is_opaque = is_opaque
self.known_class = value.get_known_class()
self.level = value.getlevel()
if value.getintbound() is None:
self.intbound = IntUnbounded()
else:
self.intbound = value.getintbound().clone()
if value.is_constant():
self.constbox = value.box
else:
self.constbox = None
self.position_in_notvirtuals = -1
self.lenbound = value.getlenbound()
def getintbound(self, op):
assert op.type == 'i'
op = get_box_replacement(op)
if isinstance(op, ConstInt):
return ConstIntBound(op.getint())
fw = op.get_forwarded()
if fw is not None:
if isinstance(fw, IntBound):
return fw
# rare case: fw might be a RawBufferPtrInfo
return IntUnbounded()
assert op.type == 'i'
intbound = IntBound(MININT, MAXINT)
op.set_forwarded(intbound)
return intbound
def getintbound(self):
return IntUnbounded()
def test_make():
for _, _, b1 in some_bounds():
for _, _, b2 in some_bounds():
lt = IntUnbounded()
lt.make_lt(b1)
lt.make_lt(b2)
for n in nbr:
c = const(n)
if b1.known_le(c) or b2.known_le(c):
assert lt.known_lt(c)
else:
assert not lt.known_lt(c)
assert not lt.known_gt(c)
assert not lt.known_ge(c)
gt = IntUnbounded()
gt.make_gt(b1)
gt.make_gt(b2)
for n in nbr:
c = const(n)
if b1.known_ge(c) or b2.known_ge(c):
assert gt.known_gt(c)
else:
assert not gt.known_gt(c)
assert not gt.known_lt(c)
assert not gt.known_le(c)
le = IntUnbounded()
le.make_le(b1)
le.make_le(b2)
for n in nbr:
c = const(n)
if b1.known_le(c) or b2.known_le(c):
assert le.known_le(c)
else:
assert not le.known_le(c)
assert not le.known_gt(c)
assert not le.known_ge(c)
ge = IntUnbounded()
ge.make_ge(b1)
ge.make_ge(b2)
for n in nbr:
c = const(n)
if b1.known_ge(c) or b2.known_ge(c):
assert ge.known_ge(c)
else:
assert not ge.known_ge(c)
assert not ge.known_lt(c)
assert not ge.known_le(c)
gl = IntUnbounded()
gl.make_ge(b1)
gl.make_le(b2)
for n in nbr:
c = const(n)
if b1.known_ge(c):
assert gl.known_ge(c)
else:
assert not gl.known_ge(c)
assert not gl.known_gt(c)
if b2.known_le(c):
assert gl.known_le(c)
else:
assert not gl.known_le(c)
assert not gl.known_lt(c)
