def lshift(self, space, shift):
# shift > 0, therefore the highest bit of upperbound is not set,
# i.e. upperbound is positive
upperbound = intmask(r_uint(-1) >> shift)
if 0 <= self.value <= upperbound:
shifted = intmask(self.value << shift)
return space.wrap_positive_32bit_int(shifted)
else:
raise error.PrimitiveFailedError()
def atput0(self, space, index0, w_value):
if index0 < self.bytecodeoffset():
if index0 % constants.BYTES_PER_WORD != 0:
raise error.PrimitiveFailedError("improper store")
self.literalatput0(space, index0 / constants.BYTES_PER_WORD, w_value)
else:
index0 = index0 - self.bytecodeoffset()
assert index0 < len(self.bytes)
self.setchar(index0, chr(space.unwrap_int(w_value)))
def lshift(self, space, shift):
from rpython.rlib.rarithmetic import ovfcheck, intmask, r_uint
# shift > 0, therefore the highest bit of upperbound is not set,
# i.e. upperbound is positive
upperbound = intmask(r_uint(-1) >> shift)
if 0 <= self.value <= upperbound:
shifted = intmask(self.value << shift)
return space.wrap_positive_32bit_int(shifted)
else:
try:
shifted = ovfcheck(self.value << shift)
except OverflowError:
raise error.PrimitiveFailedError()
return space.wrap_int(shifted)
raise PrimitiveFailedError
def debugPrint(interp, s_frame, w_rcvr, w_string):
if not isinstance(w_string, model.W_BytesObject):
raise error.PrimitiveFailedError()
print w_string.as_string().replace('\r', '\n')
return w_rcvr
def rshift(self, space, shift):
raise error.PrimitiveFailedError()
def call(self, name, interp, s_frame, argcount, s_method):
func = self._find_prim(name)
if not func:
raise error.PrimitiveFailedError("Not implemented: %s" % name)
else:
return func(interp, s_frame, argcount, s_method)