xref: /openbsd-src/gnu/llvm/lldb/examples/summaries/pysummary.py (revision 061da546b983eb767bad15e67af1174fb0bcf31c)
1*061da546Spatrickimport lldb
2*061da546Spatrick
3*061da546Spatrick
4*061da546Spatrickdef pyobj_summary(value, unused):
5*061da546Spatrick    if value is None or value.IsValid() == False or value.GetValueAsUnsigned(0) == 0:
6*061da546Spatrick        return "<invalid>"
7*061da546Spatrick    refcnt = value.GetChildMemberWithName("ob_refcnt")
8*061da546Spatrick    expr = "(char*)PyString_AsString( (PyObject*)PyObject_Str( (PyObject*)0x%x) )" % (
9*061da546Spatrick        value.GetValueAsUnsigned(0))
10*061da546Spatrick    expr_summary = value.target.EvaluateExpression(
11*061da546Spatrick        expr, lldb.SBExpressionOptions()).GetSummary()
12*061da546Spatrick    refcnt_value = "rc = %d" % (refcnt.GetValueAsUnsigned(0))
13*061da546Spatrick    return "%s (%s)" % (expr_summary, refcnt_value)
14*061da546Spatrick
15*061da546Spatrick
16*061da546Spatrickdef __lldb_init_module(debugger, unused):
17*061da546Spatrick    debugger.HandleCommand(
18*061da546Spatrick        "type summary add PyObject --python-function pysummary.pyobj_summary")
19*061da546Spatrick    debugger.HandleCommand(
20*061da546Spatrick        "type summary add lldb_private::PythonObject -s ${var.m_py_obj%S}")
21*061da546Spatrick    debugger.HandleCommand(
22*061da546Spatrick        "type summary add lldb_private::PythonDictionary -s ${var.m_py_obj%S}")
23*061da546Spatrick    debugger.HandleCommand(
24*061da546Spatrick        "type summary add lldb_private::PythonString -s ${var.m_py_obj%S}")
25