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import lldb
class StepWithChild:
def __init__(self, thread_plan):
self.thread_plan = thread_plan
self.child_thread_plan = self.queue_child_thread_plan()
def explains_stop(self, event):
return False
def should_stop(self, event):
if not self.child_thread_plan.IsPlanComplete():
return False
self.thread_plan.SetPlanComplete(True)
return True
def should_step(self):
return False
def queue_child_thread_plan(self):
return None
class StepOut(StepWithChild):
def __init__(self, thread_plan, dict):
StepWithChild.__init__(self, thread_plan)
def queue_child_thread_plan(self):
return self.thread_plan.QueueThreadPlanForStepOut(0)
class StepScripted(StepWithChild):
def __init__(self, thread_plan, dict):
StepWithChild.__init__(self, thread_plan)
def queue_child_thread_plan(self):
return self.thread_plan.QueueThreadPlanForStepScripted("Steps.StepOut")
# This plan does a step-over until a variable changes value.
class StepUntil(StepWithChild):
def __init__(self, thread_plan, args_data, dict):
self.frame = thread_plan.GetThread().frames[0]
self.target = thread_plan.GetThread().GetProcess().GetTarget()
func_entry = args_data.GetValueForKey("variable_name")
if not func_entry.IsValid():
print("Did not get a valid entry for variable_name")
func_name = func_entry.GetStringValue(100)
self.value = self.frame.FindVariable(func_name)
if self.value.GetError().Fail():
print("Failed to get foo value: %s"%(self.value.GetError().GetCString()))
else:
print("'foo' value: %d"%(self.value.GetValueAsUnsigned()))
StepWithChild.__init__(self, thread_plan)
def queue_child_thread_plan(self):
le = self.frame.GetLineEntry()
start_addr = le.GetStartAddress()
start = start_addr.GetLoadAddress(self.target)
end = le.GetEndAddress().GetLoadAddress(self.target)
return self.thread_plan.QueueThreadPlanForStepOverRange(start_addr,
end - start)
def should_stop(self, event):
if not self.child_thread_plan.IsPlanComplete():
return False
# If we've stepped out of this frame, stop.
if not self.frame.IsValid():
return True
if not self.value.IsValid():
return True
print("Got next value: %d"%(self.value.GetValueAsUnsigned()))
if not self.value.GetValueDidChange():
self.child_thread_plan = self.queue_child_thread_plan()
return False
else:
return True
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