[Lldb-commits] [lldb] r200879 - An example summary provider for PyObject and the LLDB wrapper PythonObject hierarchy - this would have probably helped track down those refcount bugs..

[Enrico Granata]

Author: enrico
Date: Wed Feb  5 15:38:50 2014
New Revision: 200879

URL: http://llvm.org/viewvc/llvm-project?rev=200879&view=rev
Log:
An example summary provider for PyObject and the LLDB wrapper PythonObject hierarchy - this would have probably helped track down those refcount bugs..

Added:
    lldb/trunk/examples/summaries/pysummary.py

Added: lldb/trunk/examples/summaries/pysummary.py
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/examples/summaries/pysummary.py?rev=200879&view=auto
==============================================================================
--- lldb/trunk/examples/summaries/pysummary.py (added)
+++ lldb/trunk/examples/summaries/pysummary.py Wed Feb  5 15:38:50 2014
@@ -0,0 +1,18 @@
+import lldb
+
+def pyobj_summary (value,unused):
+	if value == 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}")
+
+