diff options
Diffstat (limited to 'lldb/test/functionalities/data-formatter/data-formatter-python-synth/StdVectorSynthProvider.py')
| -rw-r--r-- | lldb/test/functionalities/data-formatter/data-formatter-python-synth/StdVectorSynthProvider.py | 91 |
1 files changed, 44 insertions, 47 deletions
diff --git a/lldb/test/functionalities/data-formatter/data-formatter-python-synth/StdVectorSynthProvider.py b/lldb/test/functionalities/data-formatter/data-formatter-python-synth/StdVectorSynthProvider.py index dc226902d1e..f2b3d442925 100644 --- a/lldb/test/functionalities/data-formatter/data-formatter-python-synth/StdVectorSynthProvider.py +++ b/lldb/test/functionalities/data-formatter/data-formatter-python-synth/StdVectorSynthProvider.py @@ -1,55 +1,52 @@ class StdVectorSynthProvider: - def __init__(self, valobj, dict): - self.valobj = valobj; - self.update() + def __init__(self, valobj, dict): + self.valobj = valobj; + self.update() - def num_children(self): - start_val = self.start.GetValueAsUnsigned(0) - finish_val = self.finish.GetValueAsUnsigned(0) - end_val = self.end.GetValueAsUnsigned(0) - # Before a vector has been constructed, it will contain bad values - # so we really need to be careful about the length we return since - # unitialized data can cause us to return a huge number. We need - # to also check for any of the start, finish or end of storage values - # being zero (NULL). If any are, then this vector has not been - # initialized yet and we should return zero + def num_children(self): + start_val = self.start.GetValueAsUnsigned(0) + finish_val = self.finish.GetValueAsUnsigned(0) + end_val = self.end.GetValueAsUnsigned(0) + # Before a vector has been constructed, it will contain bad values + # so we really need to be careful about the length we return since + # unitialized data can cause us to return a huge number. We need + # to also check for any of the start, finish or end of storage values + # being zero (NULL). If any are, then this vector has not been + # initialized yet and we should return zero - # Make sure nothing is NULL - if start_val == 0 or finish_val == 0 or end_val == 0: - return 0 - # Make sure start is less than finish - if start_val >= finish_val: - return 0 - # Make sure finish is less than or equal to end of storage - if finish_val > end_val: - return 0 + # Make sure nothing is NULL + if start_val == 0 or finish_val == 0 or end_val == 0: + return 0 + # Make sure start is less than finish + if start_val >= finish_val: + return 0 + # Make sure finish is less than or equal to end of storage + if finish_val > end_val: + return 0 - # We might still get things wrong, so cap things at 256 items for now - # TODO: read a target "settings set" variable for this to allow it to - # be customized - num_children = (finish_val-start_val)/self.data_size - if num_children > 256: - return 256 - return num_children + # We might still get things wrong, so cap things at 256 items for now + # TODO: read a target "settings set" variable for this to allow it to + # be customized + num_children = (finish_val-start_val)/self.data_size + if num_children > 256: + return 256 + return num_children - def get_child_index(self,name): - if name == "len": - return self.num_children(); - else: - return int(name.lstrip('[').rstrip(']')) + def get_child_index(self,name): + return int(name.lstrip('[').rstrip(']')) - def get_child_at_index(self,index): - if index == self.num_children(): - return self.valobj.CreateValueFromExpression("len",str(self.num_children())) - else: - offset = index * self.data_size - return self.start.CreateChildAtOffset('['+str(index)+']',offset,self.data_type) + def get_child_at_index(self,index): + if index >= self.num_children(): + return None; + offset = index * self.data_size + return self.start.CreateChildAtOffset('['+str(index)+']',offset,self.data_type) + + def update(self): + impl = self.valobj.GetChildMemberWithName('_M_impl') + self.start = impl.GetChildMemberWithName('_M_start') + self.finish = impl.GetChildMemberWithName('_M_finish') + self.end = impl.GetChildMemberWithName('_M_end_of_storage') + self.data_type = self.start.GetType().GetPointeeType() + self.data_size = self.data_type.GetByteSize() - def update(self): - impl = self.valobj.GetChildMemberWithName('_M_impl') - self.start = impl.GetChildMemberWithName('_M_start') - self.finish = impl.GetChildMemberWithName('_M_finish') - self.end = impl.GetChildMemberWithName('_M_end_of_storage') - self.data_type = self.start.GetType().GetPointeeType() - self.data_size = self.data_type.GetByteSize() |
