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handle not initialized std::vector in gdb

This commit is contained in:
Roy Qu 2023-03-16 17:27:00 +08:00
parent 4633a8f93a
commit 090343bf9a
1 changed files with 15 additions and 2 deletions
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17
tools/gdb-scripts/gcc-11.2.0/python/libstdcxx/v6/printers.py
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@ -441,11 +441,21 @@ class StdVectorPrinter:
self.typename = strip_versioned_namespace(typename)
self.val = val
self.is_bool = val.type.template_argument(0).code == gdb.TYPE_CODE_BOOL
start = self.val['_M_impl']['_M_start']
finish = self.val['_M_impl']['_M_finish']
end = self.val['_M_impl']['_M_end_of_storage']
if int(finish - start)<0 or int(end - start)<0 or finish > end :
self.valid = False
else:
self.valid = True
def children(self):
return self._iterator(self.val['_M_impl']['_M_start'],
if self.valid:
return self._iterator(self.val['_M_impl']['_M_start'],
self.val['_M_impl']['_M_finish'],
self.is_bool)
else:
return None
def to_string(self):
start = self.val['_M_impl']['_M_start']
@ -462,8 +472,11 @@ class StdVectorPrinter:
return ('%s<bool> of length %d, capacity %d'
% (self.typename, int (length), int (capacity)))
else:
return ('%s of length %d, capacity %d'
if self.valid:
return ('%s of length %d, capacity %d'
% (self.typename, int (finish - start), int (end - start)))
else:
return ('Not initialized')
def display_hint(self):
return 'array'