1import lldb
2
3
4def pyobj_summary(value, unused):
5    if value is None or value.IsValid() == False or value.GetValueAsUnsigned(0) == 0:
6        return "<invalid>"
7    refcnt = value.GetChildMemberWithName("ob_refcnt")
8    expr = "(char*)PyString_AsString( (PyObject*)PyObject_Str( (PyObject*)0x%x) )" % (
9        value.GetValueAsUnsigned(0))
10    expr_summary = value.target.EvaluateExpression(
11        expr, lldb.SBExpressionOptions()).GetSummary()
12    refcnt_value = "rc = %d" % (refcnt.GetValueAsUnsigned(0))
13    return "%s (%s)" % (expr_summary, refcnt_value)
14
15
16def __lldb_init_module(debugger, unused):
17    debugger.HandleCommand(
18        "type summary add PyObject --python-function pysummary.pyobj_summary")
19    debugger.HandleCommand(
20        "type summary add lldb_private::PythonObject -s ${var.m_py_obj%S}")
21    debugger.HandleCommand(
22        "type summary add lldb_private::PythonDictionary -s ${var.m_py_obj%S}")
23    debugger.HandleCommand(
24        "type summary add lldb_private::PythonString -s ${var.m_py_obj%S}")
25