[Lldb-commits] [lldb] r185560 - Revert commits that cause broken builds on GCC buildbots

Daniel Malea daniel.malea at intel.com
Wed Jul 3 10:58:31 PDT 2013


Author: dmalea
Date: Wed Jul  3 12:58:31 2013
New Revision: 185560

URL: http://llvm.org/viewvc/llvm-project?rev=185560&view=rev
Log:
Revert commits that cause broken builds on GCC buildbots
- build fails due to PyCallable template definition inside an extern "C" scope

This commit reverts 185240, 184893 and 184608.


Modified:
    lldb/trunk/include/lldb/API/SBCommandReturnObject.h
    lldb/trunk/include/lldb/API/SBError.h
    lldb/trunk/include/lldb/Interpreter/CommandReturnObject.h
    lldb/trunk/include/lldb/Interpreter/ScriptInterpreter.h
    lldb/trunk/lldb.xcodeproj/project.pbxproj
    lldb/trunk/scripts/Python/interface/SBCommandReturnObject.i
    lldb/trunk/scripts/Python/python-swigsafecast.swig
    lldb/trunk/scripts/Python/python-wrapper.swig
    lldb/trunk/source/API/SBCommandReturnObject.cpp
    lldb/trunk/source/Commands/CommandObjectCommands.cpp
    lldb/trunk/source/Interpreter/CommandReturnObject.cpp
    lldb/trunk/source/Interpreter/ScriptInterpreterPython.cpp
    lldb/trunk/test/functionalities/command_script/welcome.py
    lldb/trunk/test/help/TestHelp.py

Modified: lldb/trunk/include/lldb/API/SBCommandReturnObject.h
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/API/SBCommandReturnObject.h?rev=185560&r1=185559&r2=185560&view=diff
==============================================================================
--- lldb/trunk/include/lldb/API/SBCommandReturnObject.h (original)
+++ lldb/trunk/include/lldb/API/SBCommandReturnObject.h Wed Jul  3 12:58:31 2013
@@ -98,13 +98,6 @@ public:
     const char *
     GetError (bool only_if_no_immediate);
     
-    void
-    SetError (lldb::SBError &error,
-              const char *fallback_error_cstr = NULL);
-    
-    void
-    SetError (const char* error_cstr);
-    
 protected:
     friend class SBCommandInterpreter;
     friend class SBOptions;

Modified: lldb/trunk/include/lldb/API/SBError.h
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/API/SBError.h?rev=185560&r1=185559&r2=185560&view=diff
==============================================================================
--- lldb/trunk/include/lldb/API/SBError.h (original)
+++ lldb/trunk/include/lldb/API/SBError.h Wed Jul  3 12:58:31 2013
@@ -66,7 +66,6 @@ public:
 
 protected:
 
-    friend class SBCommandReturnObject;
     friend class SBData;
     friend class SBDebugger;
     friend class SBCommunication;

Modified: lldb/trunk/include/lldb/Interpreter/CommandReturnObject.h
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/Interpreter/CommandReturnObject.h?rev=185560&r1=185559&r2=185560&view=diff
==============================================================================
--- lldb/trunk/include/lldb/Interpreter/CommandReturnObject.h (original)
+++ lldb/trunk/include/lldb/Interpreter/CommandReturnObject.h Wed Jul  3 12:58:31 2013
@@ -143,11 +143,8 @@ public:
 
     void
     SetError (const Error &error, 
-              const char *fallback_error_cstr = NULL);
+              const char *fallback_error_cstr);
 
-    void
-    SetError (const char *error_cstr);
-    
     lldb::ReturnStatus
     GetStatus();
 

Modified: lldb/trunk/include/lldb/Interpreter/ScriptInterpreter.h
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/Interpreter/ScriptInterpreter.h?rev=185560&r1=185559&r2=185560&view=diff
==============================================================================
--- lldb/trunk/include/lldb/Interpreter/ScriptInterpreter.h (original)
+++ lldb/trunk/include/lldb/Interpreter/ScriptInterpreter.h Wed Jul  3 12:58:31 2013
@@ -120,6 +120,7 @@ public:
                                                                      const char *session_dictionary_name,
                                                                      lldb::DebuggerSP& debugger,
                                                                      const char* args,
+                                                                     std::string& err_msg,
                                                                      lldb_private::CommandReturnObject& cmd_retobj);
     
     typedef bool           (*SWIGPythonCallModuleInit)              (const char *python_module_name,

Modified: lldb/trunk/lldb.xcodeproj/project.pbxproj
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/lldb.xcodeproj/project.pbxproj?rev=185560&r1=185559&r2=185560&view=diff
==============================================================================
--- lldb/trunk/lldb.xcodeproj/project.pbxproj (original)
+++ lldb/trunk/lldb.xcodeproj/project.pbxproj Wed Jul  3 12:58:31 2013
@@ -1545,7 +1545,7 @@
 		69A01E1E1236C5D400C660B5 /* Mutex.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = Mutex.cpp; sourceTree = "<group>"; };
 		69A01E1F1236C5D400C660B5 /* Symbols.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = Symbols.cpp; sourceTree = "<group>"; };
 		69A01E201236C5D400C660B5 /* TimeValue.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = TimeValue.cpp; sourceTree = "<group>"; };
-		94005E0313F438DF001EF42D /* python-wrapper.swig */ = {isa = PBXFileReference; explicitFileType = sourcecode.cpp.cpp; path = "python-wrapper.swig"; sourceTree = "<group>"; };
+		94005E0313F438DF001EF42D /* python-wrapper.swig */ = {isa = PBXFileReference; lastKnownFileType = text; path = "python-wrapper.swig"; sourceTree = "<group>"; };
 		94005E0513F45A1B001EF42D /* embedded_interpreter.py */ = {isa = PBXFileReference; lastKnownFileType = text.script.python; name = embedded_interpreter.py; path = source/Interpreter/embedded_interpreter.py; sourceTree = "<group>"; };
 		94031A9B13CF484600DCFF3C /* InputReaderEZ.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; name = InputReaderEZ.h; path = include/lldb/Core/InputReaderEZ.h; sourceTree = "<group>"; };
 		94031A9D13CF486600DCFF3C /* InputReaderEZ.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = InputReaderEZ.cpp; path = source/Core/InputReaderEZ.cpp; sourceTree = "<group>"; };
@@ -1557,7 +1557,7 @@
 		944372DB171F6B4300E57C32 /* RegisterContextDummy.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = RegisterContextDummy.h; path = Utility/RegisterContextDummy.h; sourceTree = "<group>"; };
 		9443B120140C18A90013457C /* SBData.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; name = SBData.h; path = include/lldb/API/SBData.h; sourceTree = "<group>"; };
 		9443B121140C18C10013457C /* SBData.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = SBData.cpp; path = source/API/SBData.cpp; sourceTree = "<group>"; };
-		944DC3481774C99000D7D884 /* python-swigsafecast.swig */ = {isa = PBXFileReference; explicitFileType = sourcecode.cpp.cpp; path = "python-swigsafecast.swig"; sourceTree = "<group>"; };
+		944DC3481774C99000D7D884 /* python-swigsafecast.swig */ = {isa = PBXFileReference; lastKnownFileType = text; path = "python-swigsafecast.swig"; sourceTree = "<group>"; };
 		9452573616262CD000325455 /* SBDeclaration.i */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.c.preprocessed; path = SBDeclaration.i; sourceTree = "<group>"; };
 		9452573816262CEF00325455 /* SBDeclaration.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; name = SBDeclaration.h; path = include/lldb/API/SBDeclaration.h; sourceTree = "<group>"; };
 		9452573916262D0200325455 /* SBDeclaration.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = SBDeclaration.cpp; path = source/API/SBDeclaration.cpp; sourceTree = "<group>"; };
@@ -1628,7 +1628,7 @@
 		94D6A0A816CEB55F00833B6E /* NSDictionary.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = NSDictionary.cpp; path = source/DataFormatters/NSDictionary.cpp; sourceTree = "<group>"; };
 		94D6A0A916CEB55F00833B6E /* NSSet.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = NSSet.cpp; path = source/DataFormatters/NSSet.cpp; sourceTree = "<group>"; };
 		94E367CC140C4EC4001C7A5A /* modify-python-lldb.py */ = {isa = PBXFileReference; lastKnownFileType = text.script.python; path = "modify-python-lldb.py"; sourceTree = "<group>"; };
-		94E367CE140C4EEA001C7A5A /* python-typemaps.swig */ = {isa = PBXFileReference; explicitFileType = sourcecode.cpp.cpp; path = "python-typemaps.swig"; sourceTree = "<group>"; };
+		94E367CE140C4EEA001C7A5A /* python-typemaps.swig */ = {isa = PBXFileReference; lastKnownFileType = text; path = "python-typemaps.swig"; sourceTree = "<group>"; };
 		94EA1D5A15E6C99B00D4171A /* PythonDataObjects.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; name = PythonDataObjects.h; path = include/lldb/Interpreter/PythonDataObjects.h; sourceTree = "<group>"; };
 		94EA1D5B15E6C9B400D4171A /* PythonDataObjects.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = PythonDataObjects.cpp; path = source/Interpreter/PythonDataObjects.cpp; sourceTree = "<group>"; };
 		94EBAC8313D9EE26009BA64E /* PythonPointer.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; name = PythonPointer.h; path = include/lldb/Utility/PythonPointer.h; sourceTree = "<group>"; };
@@ -1658,7 +1658,7 @@
 		9A42976211861AA600FE05CD /* CommandObjectBreakpointCommand.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CommandObjectBreakpointCommand.cpp; path = source/Commands/CommandObjectBreakpointCommand.cpp; sourceTree = "<group>"; };
 		9A4633DA11F65D8600955CE1 /* UserSettingsController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = UserSettingsController.h; path = include/lldb/Core/UserSettingsController.h; sourceTree = "<group>"; };
 		9A4633DC11F65D9A00955CE1 /* UserSettingsController.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = UserSettingsController.cpp; path = source/Core/UserSettingsController.cpp; sourceTree = "<group>"; };
-		9A48A3A7124AAA5A00922451 /* python-extensions.swig */ = {isa = PBXFileReference; explicitFileType = text.script.python; fileEncoding = 4; path = "python-extensions.swig"; sourceTree = "<group>"; };
+		9A48A3A7124AAA5A00922451 /* python-extensions.swig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = "python-extensions.swig"; sourceTree = "<group>"; };
 		9A4F350F1368A51A00823F52 /* StreamAsynchronousIO.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = StreamAsynchronousIO.cpp; path = source/Core/StreamAsynchronousIO.cpp; sourceTree = "<group>"; };
 		9A4F35111368A54100823F52 /* StreamAsynchronousIO.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = StreamAsynchronousIO.h; path = include/lldb/Core/StreamAsynchronousIO.h; sourceTree = "<group>"; };
 		9A633FE7112DCE3C001A7E43 /* SBFrame.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = SBFrame.cpp; path = source/API/SBFrame.cpp; sourceTree = "<group>"; };

Modified: lldb/trunk/scripts/Python/interface/SBCommandReturnObject.i
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/scripts/Python/interface/SBCommandReturnObject.i?rev=185560&r1=185559&r2=185560&view=diff
==============================================================================
--- lldb/trunk/scripts/Python/interface/SBCommandReturnObject.i (original)
+++ lldb/trunk/scripts/Python/interface/SBCommandReturnObject.i Wed Jul  3 12:58:31 2013
@@ -58,14 +58,7 @@ public:
 
     void
     SetStatus (lldb::ReturnStatus status);
-    
-    void
-    SetError (lldb::SBError &error,
-              const char *fallback_error_cstr = NULL);
 
-    void
-    SetError (const char *error_cstr);
-    
     lldb::ReturnStatus
     GetStatus();
 

Modified: lldb/trunk/scripts/Python/python-swigsafecast.swig
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/scripts/Python/python-swigsafecast.swig?rev=185560&r1=185559&r2=185560&view=diff
==============================================================================
--- lldb/trunk/scripts/Python/python-swigsafecast.swig (original)
+++ lldb/trunk/scripts/Python/python-swigsafecast.swig Wed Jul  3 12:58:31 2013
@@ -1,3 +1,7 @@
+#ifndef __cplusplus
+#error needs C++ to build these
+#endif
+
 // leaving this undefined ensures we will get a linker error if we try to use SBTypeToSWIGWrapper()
 // for a type for which we did not specialze this function
 template <typename SBClass>
@@ -11,38 +15,6 @@ SBTypeToSWIGWrapper (SBClass& sb_object)
     return SBTypeToSWIGWrapper(&sb_object);
 }
 
-template <typename SBClass>
-PyObject*
-SBTypeToSWIGWrapper (const SBClass& sb_object)
-{
-    return SBTypeToSWIGWrapper(&sb_object);
-}
-
-template <>
-PyObject*
-SBTypeToSWIGWrapper (PyObject* py_object)
-{
-    return py_object;
-}
-
-template <>
-PyObject*
-SBTypeToSWIGWrapper (const char* c_str)
-{
-    if (c_str)
-        return PyString_FromString(c_str);
-    return NULL;
-}
-
-template <>
-PyObject*
-SBTypeToSWIGWrapper (unsigned int* c_int)
-{
-    if (!c_int)
-        return NULL;
-    return PyInt_FromLong(*c_int);
-}
-
 template <>
 PyObject*
 SBTypeToSWIGWrapper (lldb::SBProcess* process_sb)

Modified: lldb/trunk/scripts/Python/python-wrapper.swig
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/scripts/Python/python-wrapper.swig?rev=185560&r1=185559&r2=185560&view=diff
==============================================================================
--- lldb/trunk/scripts/Python/python-wrapper.swig (original)
+++ lldb/trunk/scripts/Python/python-wrapper.swig Wed Jul  3 12:58:31 2013
@@ -103,97 +103,6 @@ FindSessionDictionary(const char *sessio
     return ResolvePythonName(session_dictionary_name, NULL);
 }
 
-class PyCallable
-{
-public:
-
-    operator
-    bool ()
-    {
-        return m_callable != NULL;
-    }
-
-    template<typename ...Args>
-    PyObject*
-    operator () (Args... args)
-    {
-        return (*this)({SBTypeToSWIGWrapper(args)...});
-    }
-    
-    PyObject*
-    operator () (std::initializer_list<PyObject*> args)
-    {
-        PyObject* retval = NULL;
-        PyObject* pargs = PyTuple_New (args.size());
-        if (pargs == NULL)
-        {
-            if (PyErr_Occurred())
-                PyErr_Clear();
-            return retval;
-        }
-        size_t idx = 0;
-        for (auto arg : args)
-        {
-            if (!arg)
-                return retval;
-            PyTuple_SetItem(pargs,idx,arg);
-            idx++;
-        }
-        retval = PyObject_CallObject (m_callable, pargs);
-        Py_XDECREF (pargs);
-        return retval;
-    }
-    
-    static PyCallable
-    FindWithPythonObject (PyObject* pfunc)
-    {
-        return PyCallable(pfunc);
-    }
-    
-    static PyCallable
-    FindWithFunctionName (const char *python_function_name,
-                          const char *session_dictionary_name)
-    {
-        if (!python_function_name || !session_dictionary_name)
-            return PyCallable();
-        if ( (python_function_name[0] == 0) || (session_dictionary_name[0] == 0) )
-            return PyCallable();
-        return FindWithFunctionName(python_function_name,FindSessionDictionary (session_dictionary_name));
-    }
-    
-    static PyCallable
-    FindWithFunctionName (const char *python_function_name,
-                          PyObject *session_dict)
-    {
-        if (!python_function_name || !session_dict)
-            return PyCallable();
-        if ( (python_function_name[0] == 0))
-            return PyCallable();
-        return PyCallable(ResolvePythonName (python_function_name, session_dict));
-    }
-
-    static PyCallable
-    FindWithMemberFunction (PyObject *self,
-                            const char *python_function_name)
-    {
-        if (self == NULL || self == Py_None)
-            return PyCallable();
-        if (!python_function_name || (python_function_name[0] == 0))
-            return PyCallable();
-        return PyCallable(PyObject_GetAttrString(self, python_function_name));
-    }
-
-private:
-    PyObject* m_callable;
-    
-    PyCallable (PyObject *callable = NULL) :
-    m_callable(callable)
-    {
-        if (m_callable && PyCallable_Check(m_callable) == false)
-            m_callable = NULL;
-    }
-};
-
 // This function is called by lldb_private::ScriptInterpreterPython::BreakpointCallbackFunction(...)
 // and is used when a script command is attached to a breakpoint for execution.
 
@@ -210,27 +119,70 @@ LLDBSwigPythonBreakpointCallbackFunction
     lldb::SBBreakpointLocation sb_bp_loc(bp_loc_sp);
 
     bool stop_at_breakpoint = true;
-
-    {
-        PyErr_Cleaner py_err_cleaner(true);
-        
-        PyCallable pfunc = PyCallable::FindWithFunctionName(python_function_name,session_dictionary_name);
-        
-        if (!pfunc)
-            return stop_at_breakpoint;
-        
-        PyObject* session_dict = NULL;
-        PyObject* pvalue = NULL;
-        pvalue = pfunc(sb_frame, sb_bp_loc, session_dict = FindSessionDictionary(session_dictionary_name));
-        
-        Py_XINCREF (session_dict);
+    PyObject *Frame_PyObj = SBTypeToSWIGWrapper(sb_frame);
+    PyObject *Bp_Loc_PyObj = SBTypeToSWIGWrapper(sb_bp_loc);
+    
+    if (Frame_PyObj == NULL || Bp_Loc_PyObj == NULL)
+        return stop_at_breakpoint;
         
-        if (pvalue == Py_False)
-            stop_at_breakpoint = false;
+    if (!python_function_name || !session_dictionary_name)
+        return stop_at_breakpoint;
 
-        Py_XDECREF (pvalue);
-    }
+    PyObject *session_dict, *pfunc;
+    PyObject *pargs, *pvalue;
     
+    session_dict = FindSessionDictionary (session_dictionary_name);
+    if (session_dict != NULL)
+    {
+        pfunc = ResolvePythonName (python_function_name, session_dict);
+        if (pfunc != NULL)
+        {
+            // Set up the arguments and call the function.
+                
+            if (PyCallable_Check (pfunc))
+            {
+                pargs = PyTuple_New (3);
+                if (pargs == NULL)
+                {
+                    if (PyErr_Occurred())
+                        PyErr_Clear();
+                    return stop_at_breakpoint;
+                }
+                
+                PyTuple_SetItem (pargs, 0, Frame_PyObj);  // This "steals" a reference to Frame_PyObj
+                PyTuple_SetItem (pargs, 1, Bp_Loc_PyObj); // This "steals" a reference to Bp_Loc_PyObj
+                PyTuple_SetItem (pargs, 2, session_dict); // This "steals" a reference to session_dict
+                pvalue = PyObject_CallObject (pfunc, pargs);
+                Py_XDECREF (pargs);
+                
+                if (pvalue != NULL)
+                {
+                    // be very conservative here and only refuse to stop if the user
+                    // actually returned False - anything else, just stop
+                    if (pvalue == Py_False)
+                        stop_at_breakpoint = false;
+                    Py_XDECREF (pvalue);
+                }
+                else if (PyErr_Occurred ())
+                {
+                    PyErr_Clear();
+                }
+                Py_INCREF (session_dict);
+            }
+            else if (PyErr_Occurred())
+            {
+                PyErr_Clear();
+            }
+        }
+        else if (PyErr_Occurred())
+        {
+            PyErr_Clear();
+        }
+    }
+    else if (PyErr_Occurred ())
+    {
+        PyErr_Clear ();
+    }
     return stop_at_breakpoint;
 }
 
@@ -250,55 +202,67 @@ LLDBSwigPythonWatchpointCallbackFunction
     lldb::SBWatchpoint sb_wp(wp_sp);
 
     bool stop_at_watchpoint = true;
+    PyObject *Frame_PyObj = SBTypeToSWIGWrapper(sb_frame);
+    PyObject *Wp_PyObj = SBTypeToSWIGWrapper(sb_wp);
     
-    {
-        PyErr_Cleaner py_err_cleaner(true);
-        
-        PyCallable pfunc = PyCallable::FindWithFunctionName(python_function_name,session_dictionary_name);
-        
-        if (!pfunc)
-            return stop_at_watchpoint;
+    if (Frame_PyObj == NULL || Wp_PyObj == NULL)
+        return stop_at_watchpoint;
         
-        PyObject* session_dict = NULL;
-        PyObject* pvalue = NULL;
-        pvalue = pfunc(sb_frame, sb_wp, session_dict = FindSessionDictionary(session_dictionary_name));
-        
-        Py_XINCREF (session_dict);
-        
-        if (pvalue == Py_False)
-            stop_at_watchpoint = false;
-        
-        Py_XDECREF (pvalue);
-    }
-    
-    return stop_at_watchpoint;
-}
+    if (!python_function_name || !session_dictionary_name)
+        return stop_at_watchpoint;
 
-bool
-PyObjectToString (PyObject* object,
-                  std::string& retval)
-{
-    retval.clear();
-    bool was_ok = false;
-    if (object != NULL && object != Py_None)
+    PyObject *session_dict, *pfunc;
+    PyObject *pargs, *pvalue;
+    
+    session_dict = FindSessionDictionary (session_dictionary_name);
+    if (session_dict != NULL)
     {
-        if (PyString_Check(object))
-        {
-            retval.assign(PyString_AsString(object));
-            was_ok = true;
-        }
-        else
+        pfunc = ResolvePythonName (python_function_name, session_dict);
+        if (pfunc != NULL)
         {
-            PyObject* value_as_string = PyObject_Str(object);
-            if (value_as_string && value_as_string != Py_None && PyString_Check(value_as_string))
+            // Set up the arguments and call the function.
+                
+            if (PyCallable_Check (pfunc))
+            {
+                pargs = PyTuple_New (3);
+                if (pargs == NULL)
+                {
+                    if (PyErr_Occurred())
+                        PyErr_Clear();
+                    return stop_at_watchpoint;
+                }
+                
+                PyTuple_SetItem (pargs, 0, Frame_PyObj);  // This "steals" a reference to Frame_PyObj
+                PyTuple_SetItem (pargs, 1, Wp_PyObj);     // This "steals" a reference to Wp_PyObj
+                PyTuple_SetItem (pargs, 2, session_dict); // This "steals" a reference to session_dict
+                pvalue = PyObject_CallObject (pfunc, pargs);
+                Py_XDECREF (pargs);
+                
+                if (pvalue != NULL)
+                {
+                    Py_XDECREF (pvalue);
+                }
+                else if (PyErr_Occurred ())
+                {
+                    PyErr_Clear();
+                }
+                Py_INCREF (session_dict);
+            }
+            else if (PyErr_Occurred())
             {
-                retval.assign(PyString_AsString(value_as_string));
-                was_ok = true;
+                PyErr_Clear();
             }
-            Py_XDECREF(value_as_string);
         }
+        else if (PyErr_Occurred())
+        {
+            PyErr_Clear();
+        }
+    }
+    else if (PyErr_Occurred ())
+    {
+        PyErr_Clear ();
     }
-    return was_ok;
+    return stop_at_watchpoint;
 }
 
 SWIGEXPORT bool
@@ -315,18 +279,23 @@ LLDBSwigPythonCallTypeScript
 
     retval.clear();
 
+    PyObject *ValObj_PyObj = SBTypeToSWIGWrapper(sb_value);
+    
+    if (ValObj_PyObj == NULL)
+        return false;
+        
     if (!python_function_name || !session_dictionary)
         return false;
 
-    PyObject *session_dict = (PyObject*)session_dictionary, *pfunc_impl = NULL, *pvalue = NULL;
+    PyObject *session_dict = (PyObject*)session_dictionary, *pfunc = NULL, *pargs = NULL, *pvalue = NULL;
     
     if (pyfunct_wrapper && *pyfunct_wrapper && PyFunction_Check (*pyfunct_wrapper))
     {
-        pfunc_impl = (PyObject*)(*pyfunct_wrapper);
-        if (pfunc_impl->ob_refcnt == 1)
+        pfunc = (PyObject*)(*pyfunct_wrapper);
+        if (pfunc->ob_refcnt == 1)
         {
-            Py_XDECREF(pfunc_impl);
-            pfunc_impl = NULL;
+            Py_XDECREF(pfunc);
+            pfunc = NULL;
         }
     }
 
@@ -334,32 +303,41 @@ LLDBSwigPythonCallTypeScript
     {
         PyErr_Cleaner pyerr_cleanup(true);  // show Python errors
         
-        if (!pfunc_impl)
+        if (!pfunc)
         {
-            pfunc_impl = ResolvePythonName (python_function_name, session_dict);
-            if (!pfunc_impl || !PyCallable_Check (pfunc_impl))
+            pfunc = ResolvePythonName (python_function_name, session_dict);
+            if (!pfunc || !PyFunction_Check (pfunc))
                 return false;
             else
             {
                 if (pyfunct_wrapper)
-                    *pyfunct_wrapper = pfunc_impl;
+                    *pyfunct_wrapper = pfunc;
             }
         }
         /*else
             printf("caching works!!!!\n");*/
         
-        PyCallable pfunc = PyCallable::FindWithPythonObject(pfunc_impl);
-        
-        if (!pfunc)
+        pargs = PyTuple_Pack(2, ValObj_PyObj, session_dict);
+        if (pargs == NULL)
             return false;
         
-        pvalue = pfunc(sb_value,session_dict);
-
-        Py_INCREF (session_dict);
-        
-        PyObjectToString(pvalue,retval);
+        pvalue = PyObject_CallObject (pfunc, pargs);
+        Py_XDECREF (pargs);
         
+        if (pvalue != NULL && pvalue != Py_None)
+        {
+            if (PyString_Check(pvalue))
+                retval.assign(PyString_AsString(pvalue));
+            else
+            {
+                PyObject* value_as_string = PyObject_Str(pvalue);
+                if (value_as_string && value_as_string != Py_None && PyString_Check(value_as_string))
+                    retval.assign(PyString_AsString(value_as_string));
+                Py_XDECREF(value_as_string);
+            }
+        }
         Py_XDECREF (pvalue);
+        Py_INCREF (session_dict);
     }
     return true;
 }
@@ -381,29 +359,81 @@ LLDBSwigPythonCreateSyntheticProvider
     // has ownership of it and will manage memory for this object by itself
     lldb::SBValue *sb_value = new lldb::SBValue(valobj_sp);
     sb_value->SetPreferSyntheticValue(false);
+
     PyObject *ValObj_PyObj = SBTypeToSWIGWrapper(sb_value);
 
     if (ValObj_PyObj == NULL)
         Py_RETURN_NONE;
+
+    const char* python_function_name = python_class_name;
+
+    PyObject *session_dict, *pfunc;
+    PyObject *pvalue;
     
+    session_dict = FindSessionDictionary (session_dictionary_name);
+    if (session_dict != NULL)
     {
-        PyErr_Cleaner py_err_cleaner(true);
-        
-        PyCallable pfunc = PyCallable::FindWithFunctionName(python_class_name,session_dictionary_name);
-        
-        if (!pfunc)
-            return retval;
-        
-        Py_INCREF(ValObj_PyObj);
-        
-        PyObject* session_dict = NULL;
-        retval = pfunc(ValObj_PyObj, session_dict = FindSessionDictionary(session_dictionary_name));
-        
-        Py_XINCREF (session_dict);
-        
-        Py_XINCREF(retval);
+        pfunc = ResolvePythonName (python_function_name, session_dict);
+        if (pfunc != NULL)
+        {
+            // Set up the arguments and call the function.
+                
+            if (PyCallable_Check (pfunc))
+            {
+                PyObject *argList = Py_BuildValue("SS", ValObj_PyObj, session_dict);
+
+                if (PyErr_Occurred ())
+                {
+                    PyErr_Print();
+                    PyErr_Clear();
+                    return retval;
+                }
+
+                if (argList == NULL)
+                {
+                    return retval;
+                }
+
+                Py_INCREF(ValObj_PyObj);
+
+                pvalue = PyObject_CallObject(pfunc, argList);
+
+                Py_XDECREF(argList);
+
+                if (pvalue != NULL)
+                {
+                    if (pvalue != Py_None)
+                        retval = pvalue;
+                    else
+                    {
+                        retval = Py_None;
+                        Py_INCREF(retval);
+                    }
+                }
+                else if (PyErr_Occurred ())
+                {
+                    PyErr_Print();
+                    PyErr_Clear();
+                }
+                Py_INCREF (session_dict);
+            }
+            else if (PyErr_Occurred())
+            {
+                PyErr_Print();
+                PyErr_Clear();
+            }
+        }
+        else if (PyErr_Occurred())
+        {
+            PyErr_Print();
+            PyErr_Clear();
+        }
+    }
+    else if (PyErr_Occurred ())
+    {
+        PyErr_Print();
+        PyErr_Clear ();
     }
-    
     if (retval)
         return retval;
     else
@@ -420,22 +450,64 @@ LLDBSwigPython_CallOptionalMember
     bool* was_found = NULL
 )
 {
-    PyErr_Cleaner py_err_cleaner(false);
-    
-    PyCallable pfunc = PyCallable::FindWithMemberFunction(self,callee_name);
-    
-    if (!pfunc)
+    if (self == NULL || self == Py_None)
     {
         if (was_found)
             *was_found = false;
         Py_XINCREF(ret_if_not_found);
         return ret_if_not_found;
     }
-    
+
+    PyObject* pmeth  = PyObject_GetAttrString(self, callee_name);
+
+    if (PyErr_Occurred())
+    {
+        PyErr_Clear();
+    }
+
+    if (pmeth == NULL || pmeth == Py_None)
+    {
+        if (was_found)
+            *was_found = false;
+        Py_XDECREF(pmeth);
+        Py_XINCREF(ret_if_not_found);
+        return ret_if_not_found;
+    }
+
+    if (PyCallable_Check(pmeth) == 0)
+    {
+        if (PyErr_Occurred())
+        {
+            PyErr_Clear();
+        }
+
+        Py_XDECREF(pmeth);
+        if (was_found)
+            *was_found = false;
+        Py_XINCREF(ret_if_not_found);
+        return ret_if_not_found;
+    }
+
     if (was_found)
         *was_found = true;
+
+    if (PyErr_Occurred())
+    {
+        PyErr_Clear();
+    }
+
+    Py_XDECREF(pmeth);
+
+    // right now we know this function exists and is callable..
+    PyObject* py_return = PyObject_CallMethod(self, callee_name, NULL);
+    
+    // if it fails, print the error but otherwise go on
+    if (PyErr_Occurred())
+    {
+        PyErr_Print();
+        PyErr_Clear();
+    }
     
-    PyObject* py_return = pfunc();
     return py_return;
 }
 
@@ -475,15 +547,18 @@ LLDBSwigPython_GetChildAtIndex
     uint32_t idx
 )
 {
-    PyErr_Cleaner py_err_cleaner(true);
-    
-    PyCallable pfunc = PyCallable::FindWithMemberFunction(implementor,"get_child_at_index");
-    
-    if (!pfunc)
+
+    static char callee_name[] = "get_child_at_index";
+    static char param_format[] = "i";
+
+    if (implementor == NULL || implementor == Py_None)
         return NULL;
-    
-    PyObject *py_return = NULL;
-    py_return = pfunc(idx);
+    PyObject* py_return = PyObject_CallMethod(implementor, callee_name, param_format, idx);
+    if (PyErr_Occurred())
+    {
+        PyErr_Print();
+        PyErr_Clear();
+    }
     
     if (py_return == NULL || py_return == Py_None)
     {
@@ -492,7 +567,7 @@ LLDBSwigPython_GetChildAtIndex
     }
     
     lldb::SBValue* sbvalue_ptr = NULL;
-    
+
     if (SWIG_ConvertPtr(py_return, (void**)&sbvalue_ptr, SWIGTYPE_p_lldb__SBValue, 0) == -1)
     {
         Py_XDECREF(py_return);
@@ -501,8 +576,8 @@ LLDBSwigPython_GetChildAtIndex
     
     if (sbvalue_ptr == NULL)
         return NULL;
-    
-    return py_return;    
+
+    return py_return;
 }
 
 SWIGEXPORT int
@@ -512,29 +587,33 @@ LLDBSwigPython_GetIndexOfChildWithName
     const char* child_name
 )
 {
-    PyErr_Cleaner py_err_cleaner(true);
-    
-    PyCallable pfunc = PyCallable::FindWithMemberFunction(implementor,"get_child_index");
-    
-    if (!pfunc)
-        return UINT32_MAX;
-    
-    PyObject *py_return = NULL;
-    py_return = pfunc(child_name);
+    static char callee_name[] = "get_child_index";
+    static char param_format[] = "s";
+
+    if (implementor == NULL || implementor == Py_None)
+        return 0;
+    PyObject* py_return = PyObject_CallMethod(implementor, callee_name, param_format, child_name);
+    if (PyErr_Occurred())
+    {
+        PyErr_Print();
+        PyErr_Clear();
+    }
     
     if (py_return == NULL || py_return == Py_None)
     {
         Py_XDECREF(py_return);
         return UINT32_MAX;
     }
-    
     long retval = PyInt_AsLong(py_return);
     Py_XDECREF(py_return);
-
     if (retval >= 0)
         return (uint32_t)retval;
-    
-    return UINT32_MAX;
+    if (PyErr_Occurred())
+    {
+        PyErr_Print();
+        PyErr_Clear();
+    }
+    return 0;
 }
 
 SWIGEXPORT bool
@@ -624,6 +703,7 @@ LLDBSwigPythonCallCommand
     const char *session_dictionary_name,
     lldb::DebuggerSP& debugger,
     const char* args,
+    std::string& err_msg,
     lldb_private::CommandReturnObject& cmd_retobj
 )
 {
@@ -634,25 +714,86 @@ LLDBSwigPythonCallCommand
 
     bool retval = false;
 
-    {
-        PyErr_Cleaner py_err_cleaner(true);
-        PyCallable pfunc = PyCallable::FindWithFunctionName(python_function_name,session_dictionary_name);
-        
-        if (!pfunc)
-            return retval;
+    PyObject *DebuggerObj_PyObj = SBTypeToSWIGWrapper(debugger_sb);
+    PyObject *CmdRetObj_PyObj = SBTypeToSWIGWrapper(cmd_retobj_sb);
 
-        PyObject* session_dict = NULL;
-        // pass the pointer-to cmd_retobj_sb or watch the underlying object disappear from under you
-        // see comment above for SBCommandReturnObjectReleaser for further details
-        PyObject* pvalue = NULL;
-        pvalue = pfunc(debugger_sb, args, &cmd_retobj_sb, session_dict = FindSessionDictionary(session_dictionary_name));
-        
-        Py_XINCREF (session_dict);
-        Py_XDECREF (pvalue);
+    if (DebuggerObj_PyObj == NULL)
+        return retval;
         
-        retval = true;
-    }
+    if (CmdRetObj_PyObj == NULL)
+        return retval;
+
+    if (!python_function_name || !session_dictionary_name)
+        return retval;
+
+    PyObject *session_dict, *pfunc;
+    PyObject *pargs, *pvalue;
     
+    session_dict = FindSessionDictionary (session_dictionary_name);
+    if (session_dict != NULL)
+    {
+        pfunc = ResolvePythonName (python_function_name, session_dict);
+        if (pfunc != NULL)
+        {
+            // Set up the arguments and call the function.
+                
+            if (PyCallable_Check (pfunc))
+            {
+                pargs = PyTuple_New (4);
+                if (pargs == NULL)
+                {
+                    if (PyErr_Occurred())
+                        PyErr_Clear();
+                    return retval;
+                }
+                
+                PyTuple_SetItem (pargs, 0, DebuggerObj_PyObj);  // This "steals" a reference to DebuggerObj_PyObj
+                PyTuple_SetItem (pargs, 1, PyString_FromString(args));
+                PyTuple_SetItem (pargs, 2, CmdRetObj_PyObj);  // This "steals" a reference to CmdRetObj_PyObj
+                PyTuple_SetItem (pargs, 3, session_dict); // This "steals" a reference to session_dict
+                pvalue = PyObject_CallObject (pfunc, pargs);
+                Py_XDECREF (pargs);
+                
+                if (pvalue != NULL)
+                {
+                    if (pvalue == Py_None) // no error
+                    {
+                        err_msg.clear();
+                        retval = true;
+                    }
+                    else
+                    {
+                        // return value is an error string
+                        if (PyString_CheckExact(pvalue))
+                            err_msg.assign(PyString_AsString(pvalue));
+                        retval = false;
+                    }
+                    Py_XDECREF (pvalue);
+                }
+                else if (PyErr_Occurred ())
+                {
+                    PyErr_Print();
+                    PyErr_Clear();
+                }
+                Py_INCREF (session_dict);
+            }
+            else if (PyErr_Occurred())
+            {
+                PyErr_Print();
+                PyErr_Clear();
+            }
+        }
+        else if (PyErr_Occurred())
+        {
+            PyErr_Print();
+            PyErr_Clear();
+        }
+    }
+    else if (PyErr_Occurred ())
+    {
+        PyErr_Print();
+        PyErr_Clear ();
+    }
     return retval;
 }
 
@@ -678,25 +819,75 @@ LLDBSWIGPythonCreateOSPlugin
     if (SBProc_PyObj == NULL)
         Py_RETURN_NONE;
 
+    const char* python_function_name = python_class_name;
+
+    PyObject *session_dict, *pfunc;
+    PyObject *pvalue;
+    
+    session_dict = FindSessionDictionary (session_dictionary_name);
+    if (session_dict != NULL)
     {
-        PyErr_Cleaner py_err_cleaner(true);
-        
-        PyCallable pfunc = PyCallable::FindWithFunctionName(python_class_name,session_dictionary_name);
-        
-        if (!pfunc)
-            return retval;
-        
-        Py_INCREF(SBProc_PyObj);
-        
-        PyObject* session_dict = NULL;
-        session_dict = session_dict = FindSessionDictionary(session_dictionary_name);
-        retval = pfunc(SBProc_PyObj);
-        
-        Py_XINCREF (session_dict);
-        
-        Py_XINCREF(retval);
+        pfunc = ResolvePythonName (python_function_name, session_dict);
+        if (pfunc != NULL)
+        {
+            // Set up the arguments and call the function.
+                
+            if (PyCallable_Check (pfunc))
+            {
+                PyObject *argList = Py_BuildValue("(O)", SBProc_PyObj);
+
+                if (PyErr_Occurred ())
+                {
+                    PyErr_Print();
+                    PyErr_Clear();
+                    return retval;
+                }
+
+                if (argList == NULL)
+                {
+                    return retval;
+                }
+
+                Py_INCREF(SBProc_PyObj);
+
+                pvalue = PyObject_CallObject(pfunc, argList);
+
+                Py_XDECREF(argList);
+
+                if (pvalue != NULL)
+                {
+                    if (pvalue != Py_None)
+                        retval = pvalue;
+                    else
+                    {
+                        retval = Py_None;
+                        Py_INCREF(retval);
+                    }
+                }
+                else if (PyErr_Occurred ())
+                {
+                    PyErr_Print();
+                    PyErr_Clear();
+                }
+                Py_INCREF (session_dict);
+            }
+            else if (PyErr_Occurred())
+            {
+                PyErr_Print();
+                PyErr_Clear();
+            }
+        }
+        else if (PyErr_Occurred())
+        {
+            PyErr_Print();
+            PyErr_Clear();
+        }
+    }
+    else if (PyErr_Occurred ())
+    {
+        PyErr_Print();
+        PyErr_Clear ();
     }
-    
     if (retval)
         return retval;
     else
@@ -717,27 +908,75 @@ std::string& output)
         return retval;
 
     lldb::SBProcess process_sb(process);
+    PyObject *ProcessObj_PyObj = SBTypeToSWIGWrapper(process_sb);
 
-    {
-        PyErr_Cleaner py_err_cleaner(true);
-        
-        PyCallable pfunc = PyCallable::FindWithFunctionName(python_function_name,session_dictionary_name);
-        
-        if (!pfunc)
-            return retval;
-        
-        PyObject* session_dict = NULL;
-        PyObject* pvalue = NULL;
-        pvalue = pfunc(process_sb, session_dict = FindSessionDictionary(session_dictionary_name));
+    if (ProcessObj_PyObj == NULL)
+        return retval;
         
-        Py_XINCREF (session_dict);
+    PyObject *session_dict, *pfunc;
+    PyObject *pargs, *pvalue;
+    
+    session_dict = FindSessionDictionary (session_dictionary_name);
         
-        if (PyObjectToString(pvalue,output))
-            retval = true;
+    if (session_dict != NULL)
+    {
+        pfunc = ResolvePythonName (python_function_name, session_dict);
         
-        Py_XDECREF(pvalue);
+        if (PyErr_Occurred()) // this might not exist.. let's make sure we handle that
+        {
+            PyErr_Clear();
+            return true;
+        }
+
+        if (pfunc == NULL)
+            return true;
+        else
+        {
+            // Set up the arguments and call the function.
+                
+            if (PyCallable_Check (pfunc))
+            {
+                pargs = PyTuple_New (2);
+                if (pargs == NULL)
+                {
+                    if (PyErr_Occurred())
+                        PyErr_Clear();
+                    return retval;
+                }
+                
+                PyTuple_SetItem (pargs, 0, ProcessObj_PyObj);  // This "steals" a reference to ProcessObj_PyObj
+                PyTuple_SetItem (pargs, 1, session_dict); // This "steals" a reference to session_dict
+                pvalue = PyObject_CallObject (pfunc, pargs);
+                Py_XDECREF (pargs);
+                
+                if (PyErr_Occurred ())
+                {
+                    PyErr_Print();
+                    PyErr_Clear();
+                }
+                else
+                {
+                    if (PyString_Check(pvalue))
+                    {
+                        output.assign(PyString_AsString(pvalue));
+                        retval = true;
+                    }
+                    else
+                    {
+                        output.clear();
+                        retval = false;
+                    }
+                    Py_XDECREF (pvalue);
+                }
+                Py_INCREF (session_dict);
+            }
+            else if (PyErr_Occurred())
+            {
+                PyErr_Print();
+                PyErr_Clear();
+            }
+        }
     }
-    
     return retval;
 }
 
@@ -755,27 +994,75 @@ std::string& output)
         return retval;
 
     lldb::SBThread thread_sb(thread);
-    
-    {
-        PyErr_Cleaner py_err_cleaner(true);
-        
-        PyCallable pfunc = PyCallable::FindWithFunctionName(python_function_name,session_dictionary_name);
-        
-        if (!pfunc)
-            return retval;
-        
-        PyObject* session_dict = NULL;
-        PyObject* pvalue = NULL;
-        pvalue = pfunc(thread_sb, session_dict = FindSessionDictionary(session_dictionary_name));
+    PyObject *ThreadObj_PyObj = SBTypeToSWIGWrapper(thread_sb);
+
+    if (ThreadObj_PyObj == NULL)
+        return retval;
         
-        Py_XINCREF (session_dict);
+    PyObject *session_dict, *pfunc;
+    PyObject *pargs, *pvalue;
+    
+    session_dict = FindSessionDictionary (session_dictionary_name);
         
-        if (PyObjectToString(pvalue,output))
-            retval = true;
+    if (session_dict != NULL)
+    {
+        pfunc = ResolvePythonName (python_function_name, session_dict);
         
-        Py_XDECREF(pvalue);
+        if (PyErr_Occurred()) // this might not exist.. let's make sure we handle that
+        {
+            PyErr_Clear();
+            return true;
+        }
+
+        if (pfunc == NULL)
+            return true;
+        else
+        {
+            // Set up the arguments and call the function.
+                
+            if (PyCallable_Check (pfunc))
+            {
+                pargs = PyTuple_New (2);
+                if (pargs == NULL)
+                {
+                    if (PyErr_Occurred())
+                        PyErr_Clear();
+                    return retval;
+                }
+                
+                PyTuple_SetItem (pargs, 0, ThreadObj_PyObj);  // This "steals" a reference to ThreadObj_PyObj
+                PyTuple_SetItem (pargs, 1, session_dict); // This "steals" a reference to session_dict
+                pvalue = PyObject_CallObject (pfunc, pargs);
+                Py_XDECREF (pargs);
+                
+                if (PyErr_Occurred ())
+                {
+                    PyErr_Print();
+                    PyErr_Clear();
+                }
+                else
+                {
+                    if (PyString_Check(pvalue))
+                    {
+                        output.assign(PyString_AsString(pvalue));
+                        retval = true;
+                    }
+                    else
+                    {
+                        output.clear();
+                        retval = false;
+                    }
+                    Py_XDECREF (pvalue);
+                }
+                Py_INCREF (session_dict);
+            }
+            else if (PyErr_Occurred())
+            {
+                PyErr_Print();
+                PyErr_Clear();
+            }
+        }
     }
-    
     return retval;
 }
 
@@ -793,27 +1080,75 @@ std::string& output)
         return retval;
 
     lldb::SBTarget target_sb(target);
-    
-    {
-        PyErr_Cleaner py_err_cleaner(true);
-        
-        PyCallable pfunc = PyCallable::FindWithFunctionName(python_function_name,session_dictionary_name);
-        
-        if (!pfunc)
-            return retval;
-        
-        PyObject* session_dict = NULL;
-        PyObject* pvalue = NULL;
-        pvalue = pfunc(target_sb, session_dict = FindSessionDictionary(session_dictionary_name));
+    PyObject *TargetObj_PyObj = SBTypeToSWIGWrapper(target_sb);
+
+    if (TargetObj_PyObj == NULL)
+        return retval;
         
-        Py_XINCREF (session_dict);
+    PyObject *session_dict, *pfunc;
+    PyObject *pargs, *pvalue;
+    
+    session_dict = FindSessionDictionary (session_dictionary_name);
         
-        if (PyObjectToString(pvalue,output))
-            retval = true;
+    if (session_dict != NULL)
+    {
+        pfunc = ResolvePythonName (python_function_name, session_dict);
         
-        Py_XDECREF(pvalue);
+        if (PyErr_Occurred()) // this might not exist.. let's make sure we handle that
+        {
+            PyErr_Clear();
+            return true;
+        }
+
+        if (pfunc == NULL)
+            return true;
+        else
+        {
+            // Set up the arguments and call the function.
+                
+            if (PyCallable_Check (pfunc))
+            {
+                pargs = PyTuple_New (2);
+                if (pargs == NULL)
+                {
+                    if (PyErr_Occurred())
+                        PyErr_Clear();
+                    return retval;
+                }
+                
+                PyTuple_SetItem (pargs, 0, TargetObj_PyObj);  // This "steals" a reference to TargetObj_PyObj
+                PyTuple_SetItem (pargs, 1, session_dict); // This "steals" a reference to session_dict
+                pvalue = PyObject_CallObject (pfunc, pargs);
+                Py_XDECREF (pargs);
+                
+                if (PyErr_Occurred ())
+                {
+                    PyErr_Print();
+                    PyErr_Clear();
+                }
+                else
+                {
+                    if (PyString_Check(pvalue))
+                    {
+                        output.assign(PyString_AsString(pvalue));
+                        retval = true;
+                    }
+                    else
+                    {
+                        output.clear();
+                        retval = false;
+                    }
+                    Py_XDECREF (pvalue);
+                }
+                Py_INCREF (session_dict);
+            }
+            else if (PyErr_Occurred())
+            {
+                PyErr_Print();
+                PyErr_Clear();
+            }
+        }
     }
-    
     return retval;
 }
 
@@ -831,27 +1166,75 @@ std::string& output)
         return retval;
 
     lldb::SBFrame frame_sb(frame);
-    
-    {
-        PyErr_Cleaner py_err_cleaner(true);
-        
-        PyCallable pfunc = PyCallable::FindWithFunctionName(python_function_name,session_dictionary_name);
-        
-        if (!pfunc)
-            return retval;
-        
-        PyObject* session_dict = NULL;
-        PyObject* pvalue = NULL;
-        pvalue = pfunc(frame_sb, session_dict = FindSessionDictionary(session_dictionary_name));
+    PyObject *FrameObj_PyObj = SBTypeToSWIGWrapper(frame_sb);
+
+    if (FrameObj_PyObj == NULL)
+        return retval;
         
-        Py_XINCREF (session_dict);
+    PyObject *session_dict, *pfunc;
+    PyObject *pargs, *pvalue;
+    
+    session_dict = FindSessionDictionary (session_dictionary_name);
         
-        if (PyObjectToString(pvalue,output))
-            retval = true;
+    if (session_dict != NULL)
+    {
+        pfunc = ResolvePythonName (python_function_name, session_dict);
         
-        Py_XDECREF(pvalue);
+        if (PyErr_Occurred()) // this might not exist.. let's make sure we handle that
+        {
+            PyErr_Clear();
+            return true;
+        }
+
+        if (pfunc == NULL)
+            return true;
+        else
+        {
+            // Set up the arguments and call the function.
+                
+            if (PyCallable_Check (pfunc))
+            {
+                pargs = PyTuple_New (2);
+                if (pargs == NULL)
+                {
+                    if (PyErr_Occurred())
+                        PyErr_Clear();
+                    return retval;
+                }
+                
+                PyTuple_SetItem (pargs, 0, FrameObj_PyObj);  // This "steals" a reference to FrameObj_PyObj
+                PyTuple_SetItem (pargs, 1, session_dict); // This "steals" a reference to session_dict
+                pvalue = PyObject_CallObject (pfunc, pargs);
+                Py_XDECREF (pargs);
+                
+                if (PyErr_Occurred ())
+                {
+                    PyErr_Print();
+                    PyErr_Clear();
+                }
+                else
+                {
+                    if (PyString_Check(pvalue))
+                    {
+                        output.assign(PyString_AsString(pvalue));
+                        retval = true;
+                    }
+                    else
+                    {
+                        output.clear();
+                        retval = false;
+                    }
+                    Py_XDECREF (pvalue);
+                }
+                Py_INCREF (session_dict);
+            }
+            else if (PyErr_Occurred())
+            {
+                PyErr_Print();
+                PyErr_Clear();
+            }
+        }
     }
-    
     return retval;
 }
 
@@ -863,33 +1246,78 @@ LLDBSwigPythonCallModuleInit
     lldb::DebuggerSP& debugger
 )
 {
-    bool retval = false;
 
     lldb::SBDebugger debugger_sb(debugger);
 
+    bool retval = false;
+
+    PyObject *DebuggerObj_PyObj = SBTypeToSWIGWrapper(debugger_sb);
+
+    if (DebuggerObj_PyObj == NULL)
+        return retval;
+        
+    if (python_module_name == NULL || python_module_name[0] == '\0' || !session_dictionary_name)
+        return retval;
+
+    PyObject *session_dict, *pfunc;
+    PyObject *pargs, *pvalue;
+    
+    session_dict = FindSessionDictionary (session_dictionary_name);
+    
     std::string python_function_name_string = python_module_name;
     python_function_name_string += ".__lldb_init_module";
     const char* python_function_name = python_function_name_string.c_str();
     
+    if (session_dict != NULL)
     {
-        PyErr_Cleaner py_err_cleaner(true);
-        
-        PyCallable pfunc = PyCallable::FindWithFunctionName(python_function_name,session_dictionary_name);
+        pfunc = ResolvePythonName (python_function_name, session_dict);
         
-        if (!pfunc)
+        if (PyErr_Occurred()) // this might not exist.. let's make sure we handle that
+        {
+            PyErr_Clear();
             return true;
-        
-        PyObject* session_dict = NULL;
-        PyObject* pvalue = NULL;
-        pvalue = pfunc(debugger_sb, session_dict = FindSessionDictionary(session_dictionary_name));
-        
-        Py_XINCREF (session_dict);
-        
-        retval = true;
-        
-        Py_XDECREF(pvalue);
+        }
+
+        if (pfunc == NULL)
+            return true;
+        else
+        {
+            // Set up the arguments and call the function.
+                
+            if (PyCallable_Check (pfunc))
+            {
+                pargs = PyTuple_New (2);
+                if (pargs == NULL)
+                {
+                    if (PyErr_Occurred())
+                        PyErr_Clear();
+                    return retval;
+                }
+                
+                PyTuple_SetItem (pargs, 0, DebuggerObj_PyObj);  // This "steals" a reference to DebuggerObj_PyObj
+                PyTuple_SetItem (pargs, 1, session_dict); // This "steals" a reference to session_dict
+                pvalue = PyObject_CallObject (pfunc, pargs);
+                Py_XDECREF (pargs);
+                
+                if (PyErr_Occurred ())
+                {
+                    PyErr_Print();
+                    PyErr_Clear();
+                }
+                else
+                {
+                    retval = true;
+                    Py_XDECREF (pvalue);
+                }
+                Py_INCREF (session_dict);
+            }
+            else if (PyErr_Occurred())
+            {
+                PyErr_Print();
+                PyErr_Clear();
+            }
+        }
     }
-    
     return retval;
 }
 %}

Modified: lldb/trunk/source/API/SBCommandReturnObject.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/API/SBCommandReturnObject.cpp?rev=185560&r1=185559&r2=185560&view=diff
==============================================================================
--- lldb/trunk/source/API/SBCommandReturnObject.cpp (original)
+++ lldb/trunk/source/API/SBCommandReturnObject.cpp Wed Jul  3 12:58:31 2013
@@ -8,10 +8,8 @@
 //===----------------------------------------------------------------------===//
 
 #include "lldb/API/SBCommandReturnObject.h"
-#include "lldb/API/SBError.h"
 #include "lldb/API/SBStream.h"
 
-#include "lldb/Core/Error.h"
 #include "lldb/Core/Log.h"
 #include "lldb/Interpreter/CommandReturnObject.h"
 
@@ -331,21 +329,3 @@ SBCommandReturnObject::Printf(const char
     return 0;
 }
 
-void
-SBCommandReturnObject::SetError (lldb::SBError &error, const char *fallback_error_cstr)
-{
-    if (m_opaque_ap.get())
-    {
-        if (error.IsValid())
-            m_opaque_ap->SetError(error.ref(), fallback_error_cstr);
-        else if (fallback_error_cstr)
-            m_opaque_ap->SetError(Error(), fallback_error_cstr);
-    }
-}
-
-void
-SBCommandReturnObject::SetError (const char *error_cstr)
-{
-    if (m_opaque_ap.get() && error_cstr)
-        m_opaque_ap->SetError(error_cstr);
-}

Modified: lldb/trunk/source/Commands/CommandObjectCommands.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Commands/CommandObjectCommands.cpp?rev=185560&r1=185559&r2=185560&view=diff
==============================================================================
--- lldb/trunk/source/Commands/CommandObjectCommands.cpp (original)
+++ lldb/trunk/source/Commands/CommandObjectCommands.cpp Wed Jul  3 12:58:31 2013
@@ -1328,9 +1328,7 @@ protected:
             // Don't change the status if the command already set it...
             if (result.GetStatus() == eReturnStatusInvalid)
             {
-                if (result.GetErrorData() && result.GetErrorData()[0])
-                    result.SetStatus(eReturnStatusFailed);
-                else if (result.GetOutputData() == NULL || result.GetOutputData()[0] == '\0')
+                if (result.GetOutputData() == NULL || result.GetOutputData()[0] == '\0')
                     result.SetStatus(eReturnStatusSuccessFinishNoResult);
                 else
                     result.SetStatus(eReturnStatusSuccessFinishResult);

Modified: lldb/trunk/source/Interpreter/CommandReturnObject.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Interpreter/CommandReturnObject.cpp?rev=185560&r1=185559&r2=185560&view=diff
==============================================================================
--- lldb/trunk/source/Interpreter/CommandReturnObject.cpp (original)
+++ lldb/trunk/source/Interpreter/CommandReturnObject.cpp Wed Jul  3 12:58:31 2013
@@ -143,19 +143,9 @@ CommandReturnObject::SetError (const Err
     const char *error_cstr = error.AsCString();
     if (error_cstr == NULL)
         error_cstr = fallback_error_cstr;
-    SetError(error_cstr);
+    AppendError (error_cstr);
+    SetStatus (eReturnStatusFailed);
 }
-
-void
-CommandReturnObject::SetError (const char *error_cstr)
-{
-    if (error_cstr)
-    {
-        AppendError (error_cstr);
-        SetStatus (eReturnStatusFailed);
-    }
-}
-
 // Similar to AppendError, but do not prepend 'Error: ' to message, and
 // don't append "\n" to the end of it.
 

Modified: lldb/trunk/source/Interpreter/ScriptInterpreterPython.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Interpreter/ScriptInterpreterPython.cpp?rev=185560&r1=185559&r2=185560&view=diff
==============================================================================
--- lldb/trunk/source/Interpreter/ScriptInterpreterPython.cpp (original)
+++ lldb/trunk/source/Interpreter/ScriptInterpreterPython.cpp Wed Jul  3 12:58:31 2013
@@ -115,6 +115,7 @@ LLDBSwigPythonCallCommand (const char *p
                            const char *session_dictionary_name,
                            lldb::DebuggerSP& debugger,
                            const char* args,
+                           std::string& err_msg,
                            lldb_private::CommandReturnObject& cmd_retobj);
 
 extern "C" bool
@@ -2969,7 +2970,7 @@ ScriptInterpreterPython::RunScriptBasedC
         return false;
     }
     
-    bool ret_val = false;
+    bool ret_val;
     
     std::string err_msg;
 
@@ -2994,11 +2995,12 @@ ScriptInterpreterPython::RunScriptBasedC
                                              m_dictionary_name.c_str(),
                                              debugger_sp,
                                              args,
+                                             err_msg,
                                              cmd_retobj);
     }
 
     if (!ret_val)
-        error.SetErrorString("unable to execute script function");
+        error.SetErrorString(err_msg.c_str());
     else
         error.Clear();
     

Modified: lldb/trunk/test/functionalities/command_script/welcome.py
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/test/functionalities/command_script/welcome.py?rev=185560&r1=185559&r2=185560&view=diff
==============================================================================
--- lldb/trunk/test/functionalities/command_script/welcome.py (original)
+++ lldb/trunk/test/functionalities/command_script/welcome.py Wed Jul  3 12:58:31 2013
@@ -13,7 +13,9 @@ def target_name_impl(debugger, args, res
     file = target.GetExecutable()
     print >>result,  ('Current target ' + file.GetFilename())
     if args == 'fail':
-        result.SetError('a test for error in command')
+        return 'a test for error in command'
+    else:
+        return None
 
 def print_wait_impl(debugger, args, result, dict):
     result.SetImmediateOutputFile(sys.stdout)
@@ -23,10 +25,11 @@ def print_wait_impl(debugger, args, resu
     print >>result,  ('Still doing long task..')
     time.sleep(1)
     print >>result,  ('Done; if you saw the delays I am doing OK')
+    return None
 
 def check_for_synchro(debugger, args, result, dict):
     if debugger.GetAsync() == True:
         print >>result,  ('I am running async')
     if debugger.GetAsync() == False:
         print >>result,  ('I am running sync')
-
+    return None

Modified: lldb/trunk/test/help/TestHelp.py
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/test/help/TestHelp.py?rev=185560&r1=185559&r2=185560&view=diff
==============================================================================
--- lldb/trunk/test/help/TestHelp.py (original)
+++ lldb/trunk/test/help/TestHelp.py Wed Jul  3 12:58:31 2013
@@ -124,7 +124,7 @@ class HelpCommandTestCase(TestBase):
         """Command 'help image du line' is not ambiguous and should work."""
         # 'image' is an alias for 'target modules'.
         self.expect("help image du line",
-            substrs = ['Dump the line table for one or more compilation units'])
+            substrs = ['Dump the debug symbol file for one or more target modules'])
 
     def test_help_target_variable_syntax(self):
         """Command 'help target variable' should display <variable-name> ..."""





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