llvm-project/lldb/examples/summaries/sp_cp.py

85 lines
2.3 KiB
Python

"""
Summary and synthetic providers for LLDB-specific shared pointers
part of The LLVM Compiler Infrastructure
This file is distributed under the University of Illinois Open Source
License. See LICENSE.TXT for details.
"""
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')