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"""
Summary and synthetic providers for LLDB-specific shared pointers
Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
See https://llvm.org/LICENSE.txt for license information.
SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
"""
class SharedPtr_SyntheticChildrenProvider:
def __init__(self, valobj, dict):
self.valobj = valobj
self.update()
def update(self):
pass
def num_children(self):
return 1
def get_child_index(self, name):
if name == "ptr":
return 0
if name == "count":
return 1
return None
def get_child_at_index(self, index):
if index == 0:
return self.valobj.GetChildMemberWithName("_M_ptr")
if index == 1:
return (
self.valobj.GetChildMemberWithName("_M_refcount")
.GetChildMemberWithName("_M_pi")
.GetChildMemberWithName("_M_use_count")
)
return None
def SharedPtr_SummaryProvider(valobj, dict):
return "use = " + str(valobj.GetChildMemberWithName("count").GetValueAsUnsigned())
class ValueObjectSP_SyntheticChildrenProvider:
def __init__(self, valobj, dict):
self.valobj = valobj
self.update()
def update(self):
pass
def num_children(self):
return 1
def get_child_index(self, name):
if name == "ptr":
return 0
if name == "count":
return 1
return None
def get_child_at_index(self, index):
if index == 0:
return self.valobj.GetChildMemberWithName("ptr_")
if index == 1:
return self.valobj.GetChildMemberWithName("cntrl_").GetChildMemberWithName(
"shared_owners_"
)
return None
def ValueObjectSP_SummaryProvider(valobj, dict):
return "use = " + str(
1 + valobj.GetChildMemberWithName("count").GetValueAsUnsigned()
)
def __lldb_init_module(debugger, dict):
debugger.HandleCommand(
'type summary add -x ".*ValueObjectSP" --expand -F sp_cp.ValueObjectSP_SummaryProvider'
)
debugger.HandleCommand(
'type synthetic add -x ".*ValueObjectSP" -l sp_cp.ValueObjectSP_SyntheticChildrenProvider'
)
debugger.HandleCommand(
'type summary add -x ".*SP" --expand -F sp_cp.SharedPtr_SummaryProvider'
)
debugger.HandleCommand(
'type synthetic add -x ".*SP" -l sp_cp.SharedPtr_SyntheticChildrenProvider'
)
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