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import gdb
class KstdUniquePtrPrinter:
def __init__(self, val):
self.val = val
self.type = val.type.template_argument(0)
def to_string(self):
pointer = self.val["pointer"]
if int(pointer) == 0:
return f"kstd::unique_ptr<{self.type}> (empty)"
return f"kstd::unique_ptr<{self.type}>"
def children(self):
pointer = self.val["m_ptr"]
if int(pointer) != 0:
yield ("get()", pointer)
yield ("*get()", pointer.dereference())
class KstdSharedPtrPrinter:
def __init__(self, val):
self.val = val
self.type = val.type.template_argument(0)
def to_string(self):
pointer = self.val["pointer"]
cb = self.val["control_block"]
if int(pointer) == 0 or int(cb) == 0:
return f"kstd::shared_ptr<{self.type}> (empty)"
strong_refs = int(cb["m_strong_refs"])
weak_refs = int(cb["m_weak_refs"])
return f"kstd::shared_ptr<{self.type}> (use_count={strong_refs}, weak_count={weak_refs})"
def children(self):
pointer = self.val["pointer"]
control_block = self.val["control"]
if int(pointer) != 0:
yield ("get()", pointer)
yield ("*get()", pointer.dereference())
if int(control_block) != 0:
yield ("[control_block]", control_block.dereference())
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