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import lldb
def derives_from_base(sbtype, internal_dict):
for base in sbtype.get_bases_array():
if base.GetName() == "Base":
return True
return False
class SynthProvider:
def __init__(self, valobj, dict):
self.valobj = valobj
def num_children(self):
return 1
def get_child_index(self, name):
return 0
def get_child_at_index(self, index):
if index == 0:
return self.valobj.CreateValueFromExpression("synthetic_child", "9999")
return None
def register_formatters(debugger):
cat = debugger.CreateCategory("callback_formatters")
cat.AddTypeSummary(
lldb.SBTypeNameSpecifier(
"formatters_with_callback.derives_from_base", lldb.eFormatterMatchCallback
),
lldb.SBTypeSummary.CreateWithScriptCode("return 'hello from callback summary'"),
)
cat.AddTypeSynthetic(
lldb.SBTypeNameSpecifier(
"formatters_with_callback.derives_from_base", lldb.eFormatterMatchCallback
),
lldb.SBTypeSynthetic.CreateWithClassName(
"formatters_with_callback.SynthProvider"
),
)
cat.SetEnabled(True)
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