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27a14f19c8
This will allow us to write reusable scripted ThreadPlans, since you can use key/value pairs with known keys in the plan to parametrize its behavior. Differential Revision: https://reviews.llvm.org/D68366 llvm-svn: 373675
84 lines
2.7 KiB
Python
84 lines
2.7 KiB
Python
import lldb
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class StepWithChild:
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def __init__(self, thread_plan):
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self.thread_plan = thread_plan
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self.child_thread_plan = self.queue_child_thread_plan()
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def explains_stop(self, event):
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return False
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def should_stop(self, event):
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if not self.child_thread_plan.IsPlanComplete():
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return False
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self.thread_plan.SetPlanComplete(True)
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return True
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def should_step(self):
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return False
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def queue_child_thread_plan(self):
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return None
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class StepOut(StepWithChild):
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def __init__(self, thread_plan, dict):
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StepWithChild.__init__(self, thread_plan)
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def queue_child_thread_plan(self):
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return self.thread_plan.QueueThreadPlanForStepOut(0)
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class StepScripted(StepWithChild):
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def __init__(self, thread_plan, dict):
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StepWithChild.__init__(self, thread_plan)
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def queue_child_thread_plan(self):
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return self.thread_plan.QueueThreadPlanForStepScripted("Steps.StepOut")
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# This plan does a step-over until a variable changes value.
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class StepUntil(StepWithChild):
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def __init__(self, thread_plan, args_data, dict):
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self.frame = thread_plan.GetThread().frames[0]
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self.target = thread_plan.GetThread().GetProcess().GetTarget()
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func_entry = args_data.GetValueForKey("variable_name")
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if not func_entry.IsValid():
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print("Did not get a valid entry for variable_name")
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func_name = func_entry.GetStringValue(100)
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self.value = self.frame.FindVariable(func_name)
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if self.value.GetError().Fail():
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print("Failed to get foo value: %s"%(self.value.GetError().GetCString()))
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else:
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print("'foo' value: %d"%(self.value.GetValueAsUnsigned()))
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StepWithChild.__init__(self, thread_plan)
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def queue_child_thread_plan(self):
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le = self.frame.GetLineEntry()
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start_addr = le.GetStartAddress()
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start = start_addr.GetLoadAddress(self.target)
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end = le.GetEndAddress().GetLoadAddress(self.target)
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return self.thread_plan.QueueThreadPlanForStepOverRange(start_addr,
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end - start)
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def should_stop(self, event):
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if not self.child_thread_plan.IsPlanComplete():
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return False
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# If we've stepped out of this frame, stop.
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if not self.frame.IsValid():
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return True
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if not self.value.IsValid():
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return True
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print("Got next value: %d"%(self.value.GetValueAsUnsigned()))
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if not self.value.GetValueDidChange():
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self.child_thread_plan = self.queue_child_thread_plan()
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return False
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else:
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return True
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