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

25 lines
1.0 KiB
Python

import lldb
def pyobj_summary(value, unused):
if value is None or value.IsValid() == False or value.GetValueAsUnsigned(0) == 0:
return "<invalid>"
refcnt = value.GetChildMemberWithName("ob_refcnt")
expr = "(char*)PyString_AsString( (PyObject*)PyObject_Str( (PyObject*)0x%x) )" % (
value.GetValueAsUnsigned(0))
expr_summary = value.target.EvaluateExpression(
expr, lldb.SBExpressionOptions()).GetSummary()
refcnt_value = "rc = %d" % (refcnt.GetValueAsUnsigned(0))
return "%s (%s)" % (expr_summary, refcnt_value)
def __lldb_init_module(debugger, unused):
debugger.HandleCommand(
"type summary add PyObject --python-function pysummary.pyobj_summary")
debugger.HandleCommand(
"type summary add lldb_private::PythonObject -s ${var.m_py_obj%S}")
debugger.HandleCommand(
"type summary add lldb_private::PythonDictionary -s ${var.m_py_obj%S}")
debugger.HandleCommand(
"type summary add lldb_private::PythonString -s ${var.m_py_obj%S}")