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}")
+
+
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