def store_final_boxes_in_guard(self, op, pendingfields):
assert pendingfields is not None
if op.getdescr() is not None:
descr = op.getdescr()
assert isinstance(descr, compile.ResumeGuardDescr)
else:
descr = compile.invent_fail_descr_for_op(op.getopnum(), self)
op.setdescr(descr)
assert isinstance(descr, compile.ResumeGuardDescr)
assert isinstance(op, GuardResOp)
modifier = resume.ResumeDataVirtualAdder(self, descr, op, self.trace,
self.resumedata_memo)
try:
newboxes = modifier.finish(pendingfields)
if (newboxes is not None and
len(newboxes) > self.metainterp_sd.options.failargs_limit):
raise resume.TagOverflow
except resume.TagOverflow:
raise compile.giveup()
# check no duplicates
#if not we_are_translated():
seen = {}
for box in newboxes:
if box is not None:
assert box not in seen
seen[box] = None
descr.store_final_boxes(op, newboxes, self.metainterp_sd)
#
if op.getopnum() == rop.GUARD_VALUE:
op = self._maybe_replace_guard_value(op, descr)
return op
def store_final_boxes_in_guard(self, op, pendingfields):
assert pendingfields is not None
if op.getdescr() is not None:
descr = op.getdescr()
assert isinstance(descr, compile.ResumeAtPositionDescr)
else:
descr = compile.invent_fail_descr_for_op(op.getopnum(), self)
op.setdescr(descr)
assert isinstance(descr, compile.ResumeGuardDescr)
assert isinstance(op, GuardResOp)
modifier = resume.ResumeDataVirtualAdder(descr, op,
self.resumedata_memo)
try:
newboxes = modifier.finish(self, pendingfields)
if len(newboxes) > self.metainterp_sd.options.failargs_limit:
raise resume.TagOverflow
except resume.TagOverflow:
raise compile.giveup()
descr.store_final_boxes(op, newboxes, self.metainterp_sd)
#
if op.getopnum() == rop.GUARD_VALUE:
if self.getvalue(op.getarg(0)) in self.bool_boxes:
# Hack: turn guard_value(bool) into guard_true/guard_false.
# This is done after the operation is emitted to let
# store_final_boxes_in_guard set the guard_opnum field of the
# descr to the original rop.GUARD_VALUE.
constvalue = op.getarg(1).getint()
if constvalue == 0:
opnum = rop.GUARD_FALSE
elif constvalue == 1:
opnum = rop.GUARD_TRUE
else:
raise AssertionError("uh?")
newop = ResOperation(opnum, [op.getarg(0)], op.result, descr)
newop.setfailargs(op.getfailargs())
return newop
else:
# a real GUARD_VALUE. Make it use one counter per value.
descr.make_a_counter_per_value(op)
return op