python-wrapper.swig [plain text]
%wrapper %{
// This function is called by lldb_private::ScriptInterpreterPython::BreakpointCallbackFunction(...)
// and is used when a script command is attached to a breakpoint for execution.
SWIGEXPORT bool
LLDBSwigPythonBreakpointCallbackFunction
(
const char *python_function_name,
const char *session_dictionary_name,
const lldb::StackFrameSP& frame_sp,
const lldb::BreakpointLocationSP& bp_loc_sp
)
{
lldb::SBFrame sb_frame (frame_sp);
lldb::SBBreakpointLocation sb_bp_loc(bp_loc_sp);
bool stop_at_breakpoint = true;
PyObject *Frame_PyObj = SWIG_NewPointerObj((void *) &sb_frame, SWIGTYPE_p_lldb__SBFrame, 0);
PyObject *Bp_Loc_PyObj = SWIG_NewPointerObj ((void *) &sb_bp_loc, SWIGTYPE_p_lldb__SBBreakpointLocation, 0);
if (Frame_PyObj == NULL || Bp_Loc_PyObj == NULL)
return stop_at_breakpoint;
if (!python_function_name || !session_dictionary_name)
return stop_at_breakpoint;
PyObject *pmodule, *main_dict, *session_dict, *pfunc;
PyObject *pargs, *pvalue;
pmodule = PyImport_AddModule ("__main__");
if (pmodule != NULL)
{
main_dict = PyModule_GetDict (pmodule);
if (main_dict != NULL)
{
PyObject *key, *value;
Py_ssize_t pos = 0;
// Find the current session's dictionary in the main module's dictionary.
if (PyDict_Check (main_dict))
{
session_dict = NULL;
while (PyDict_Next (main_dict, &pos, &key, &value))
{
// We have stolen references to the key and value objects in the dictionary; we need to increment
// them now so that Python's garbage collector doesn't collect them out from under us.
Py_INCREF (key);
Py_INCREF (value);
if (strcmp (PyString_AsString (key), session_dictionary_name) == 0)
{
session_dict = value;
break;
}
}
}
if (!session_dict || !PyDict_Check (session_dict))
return stop_at_breakpoint;
// Find the function we need to call in the current session's dictionary.
pos = 0;
pfunc = NULL;
while (PyDict_Next (session_dict, &pos, &key, &value))
{
if (PyString_Check (key))
{
// We have stolen references to the key and value objects in the dictionary; we need to increment
// them now so that Python's garbage collector doesn't collect them out from under us.
Py_INCREF (key);
Py_INCREF (value);
if (strcmp (PyString_AsString (key), python_function_name) == 0)
{
pfunc = value;
break;
}
}
}
// Set up the arguments and call the function.
if (pfunc && 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_DECREF (pargs);
if (pvalue != NULL)
{
Py_DECREF (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;
}
SWIGEXPORT std::string
LLDBSwigPythonCallTypeScript
(
const char *python_function_name,
const char *session_dictionary_name,
const lldb::ValueObjectSP& valobj_sp
)
{
lldb::SBValue sb_value (valobj_sp);
std::string retval = "";
PyObject *ValObj_PyObj = SWIG_NewPointerObj((void *) &valobj_sp, SWIGTYPE_p_lldb__SBValue, 0);
if (ValObj_PyObj == NULL)
return retval;
if (!python_function_name || !session_dictionary_name)
return retval;
PyObject *pmodule, *main_dict, *session_dict, *pfunc;
PyObject *pargs, *pvalue;
pmodule = PyImport_AddModule ("__main__");
if (pmodule != NULL)
{
main_dict = PyModule_GetDict (pmodule);
if (main_dict != NULL)
{
PyObject *key, *value;
Py_ssize_t pos = 0;
// Find the current session's dictionary in the main module's dictionary.
if (PyDict_Check (main_dict))
{
session_dict = NULL;
while (PyDict_Next (main_dict, &pos, &key, &value))
{
// We have stolen references to the key and value objects in the dictionary; we need to increment
// them now so that Python's garbage collector doesn't collect them out from under us.
Py_INCREF (key);
Py_INCREF (value);
if (strcmp (PyString_AsString (key), session_dictionary_name) == 0)
{
session_dict = value;
break;
}
}
}
if (!session_dict || !PyDict_Check (session_dict))
return retval;
// Find the function we need to call in the current session's dictionary.
pos = 0;
pfunc = NULL;
while (PyDict_Next (session_dict, &pos, &key, &value))
{
if (PyString_Check (key))
{
// We have stolen references to the key and value objects in the dictionary; we need to increment
// them now so that Python's garbage collector doesn't collect them out from under us.
Py_INCREF (key);
Py_INCREF (value);
if (strcmp (PyString_AsString (key), python_function_name) == 0)
{
pfunc = value;
break;
}
}
}
// Set up the arguments and call the function.
if (pfunc && PyCallable_Check (pfunc))
{
pargs = PyTuple_New (2);
if (pargs == NULL)
{
if (PyErr_Occurred())
PyErr_Clear();
return retval;
}
PyTuple_SetItem (pargs, 0, ValObj_PyObj); // This "steals" a reference to ValObj_PyObj
PyTuple_SetItem (pargs, 1, session_dict); // This "steals" a reference to session_dict
pvalue = PyObject_CallObject (pfunc, pargs);
Py_DECREF (pargs);
if (pvalue != NULL)
{
if (pvalue != Py_None)
retval = std::string(PyString_AsString(pvalue));
else
retval = "None";
Py_DECREF (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;
}
SWIGEXPORT void*
LLDBSwigPythonCreateSyntheticProvider
(
const std::string python_class_name,
const char *session_dictionary_name,
const lldb::ValueObjectSP& valobj_sp
)
{
PyObject* retval = NULL;
if (python_class_name.empty() || !session_dictionary_name)
Py_RETURN_NONE;
lldb::ValueObjectSP* valobj_sp_ptr = new lldb::ValueObjectSP(valobj_sp);
PyObject *ValObj_PyObj = SWIG_NewPointerObj((void *) valobj_sp_ptr, SWIGTYPE_p_lldb__SBValue, SWIG_POINTER_OWN);
if (ValObj_PyObj == NULL)
Py_RETURN_NONE;
const char* python_function_name = python_class_name.c_str();
PyObject *pmodule, *main_dict, *session_dict, *pfunc;
PyObject *pvalue;
pmodule = PyImport_AddModule ("__main__");
if (pmodule != NULL)
{
main_dict = PyModule_GetDict (pmodule);
if (main_dict != NULL)
{
PyObject *key, *value;
Py_ssize_t pos = 0;
// Find the current session's dictionary in the main module's dictionary.
if (PyDict_Check (main_dict))
{
session_dict = NULL;
while (PyDict_Next (main_dict, &pos, &key, &value))
{
// We have stolen references to the key and value objects in the dictionary; we need to increment
// them now so that Python's garbage collector doesn't collect them out from under us.
Py_INCREF (key);
Py_INCREF (value);
if (strcmp (PyString_AsString (key), session_dictionary_name) == 0)
{
session_dict = value;
break;
}
}
}
if (!session_dict || !PyDict_Check (session_dict))
return retval;
// Find the function we need to call in the current session's dictionary.
pos = 0;
pfunc = NULL;
while (PyDict_Next (session_dict, &pos, &key, &value))
{
if (PyString_Check (key))
{
// We have stolen references to the key and value objects in the dictionary; we need to increment
// them now so that Python's garbage collector doesn't collect them out from under us.
Py_INCREF (key);
Py_INCREF (value);
if (strcmp (PyString_AsString (key), python_function_name) == 0)
{
pfunc = value;
break;
}
}
}
// Set up the arguments and call the function.
if (pfunc && 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_DECREF(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
Py_RETURN_NONE;
}
/*
these four calls below are meant to support
Python-based synthetic children providers
they essentially mimic the four pure virtual
method calls provided by the frontend class
*/
SWIGEXPORT uint32_t
LLDBSwigPython_CalculateNumChildren
(
PyObject *implementor
)
{
static char callee_name[] = "num_children";
if (implementor == NULL || implementor == Py_None)
return 0;
PyObject* py_return = PyObject_CallMethod(implementor, callee_name, NULL);
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_DECREF(py_return);
if (retval >= 0)
return (uint32_t)retval;
if (PyErr_Occurred())
{
PyErr_Print();
PyErr_Clear();
}
return 0;
}
SWIGEXPORT PyObject*
LLDBSwigPython_GetChildAtIndex
(
PyObject *implementor,
uint32_t idx
)
{
static char callee_name[] = "get_child_at_index";
static char param_format[] = "i";
if (implementor == NULL || implementor == Py_None)
return NULL;
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)
{
Py_XDECREF(py_return);
return NULL;
}
lldb::SBValue* sbvalue_ptr = NULL;
if (SWIG_ConvertPtr(py_return, (void**)&sbvalue_ptr, SWIGTYPE_p_lldb__SBValue, 0) == -1)
{
Py_DECREF(py_return);
return NULL;
}
if (sbvalue_ptr == NULL)
return NULL;
return py_return;
}
SWIGEXPORT int
LLDBSwigPython_GetIndexOfChildWithName
(
PyObject *implementor,
const char* 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_DECREF(py_return);
if (retval >= 0)
return (uint32_t)retval;
if (PyErr_Occurred())
{
PyErr_Print();
PyErr_Clear();
}
return 0;
}
SWIGEXPORT void
LLDBSwigPython_UpdateSynthProviderInstance
(
PyObject *implementor
)
{
static char callee_name[] = "update";
if (implementor == NULL || implementor == Py_None)
return;
// all this code is here because update is optional, so we don't want to bother trying to call it unless it's been def:ined for us
// other synth provider calls are mandatory, so we want to fail in a very obvious way if they are missing!
PyObject* pmeth = PyObject_GetAttrString(implementor, callee_name);
if (PyErr_Occurred())
{
PyErr_Clear();
}
if (pmeth == NULL || pmeth == Py_None)
{
Py_XDECREF(pmeth);
return;
}
if (PyCallable_Check(pmeth) == 0)
{
if (PyErr_Occurred())
{
PyErr_Clear();
}
Py_XDECREF(pmeth);
return;
}
if (PyErr_Occurred())
{
PyErr_Clear();
}
Py_XDECREF(pmeth);
// right now we know this function exists and is callable..
PyObject* py_return = PyObject_CallMethod(implementor, callee_name, NULL);
// if it fails, print the error but otherwise go on
if (PyErr_Occurred())
{
PyErr_Print();
PyErr_Clear();
}
Py_XDECREF(py_return);
}
SWIGEXPORT lldb::SBValue*
LLDBSWIGPython_CastPyObjectToSBValue
(
PyObject* data
)
{
lldb::SBValue* sb_ptr = NULL;
int valid_cast = SWIG_ConvertPtr(data, (void**)&sb_ptr, SWIGTYPE_p_lldb__SBValue, 0);
if (valid_cast == -1)
return NULL;
return sb_ptr;
}
SWIGEXPORT bool
LLDBSwigPythonCallCommand
(
const char *python_function_name,
const char *session_dictionary_name,
lldb::DebuggerSP& debugger,
const char* args,
std::string& err_msg,
lldb::SBStream& stream
)
{
bool retval = false;
PyObject *DebuggerObj_PyObj = SWIG_NewPointerObj((void *) &debugger, SWIGTYPE_p_lldb__SBDebugger, 0);
PyObject *StreamObj_PyObj = SWIG_NewPointerObj((void *) &stream, SWIGTYPE_p_lldb__SBStream, 0);
if (DebuggerObj_PyObj == NULL)
return retval;
if (StreamObj_PyObj == NULL)
return retval;
if (!python_function_name || !session_dictionary_name)
return retval;
PyObject *pmodule, *main_dict, *session_dict, *pfunc;
PyObject *pargs, *pvalue;
pmodule = PyImport_AddModule ("__main__");
if (pmodule != NULL)
{
main_dict = PyModule_GetDict (pmodule);
if (main_dict != NULL)
{
PyObject *key, *value;
Py_ssize_t pos = 0;
// Find the current session's dictionary in the main module's dictionary.
if (PyDict_Check (main_dict))
{
session_dict = NULL;
while (PyDict_Next (main_dict, &pos, &key, &value))
{
// We have stolen references to the key and value objects in the dictionary; we need to increment
// them now so that Python's garbage collector doesn't collect them out from under us.
Py_INCREF (key);
Py_INCREF (value);
if (strcmp (PyString_AsString (key), session_dictionary_name) == 0)
{
session_dict = value;
break;
}
}
}
if (!session_dict || !PyDict_Check (session_dict))
return retval;
// Find the function we need to call in the current session's dictionary.
pos = 0;
pfunc = NULL;
while (PyDict_Next (session_dict, &pos, &key, &value))
{
if (PyString_Check (key))
{
// We have stolen references to the key and value objects in the dictionary; we need to increment
// them now so that Python's garbage collector doesn't collect them out from under us.
Py_INCREF (key);
Py_INCREF (value);
if (strcmp (PyString_AsString (key), python_function_name) == 0)
{
pfunc = value;
break;
}
}
}
// Set up the arguments and call the function.
if (pfunc && 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, StreamObj_PyObj); // This "steals" a reference to StreamObj_PyObj
PyTuple_SetItem (pargs, 3, session_dict); // This "steals" a reference to session_dict
pvalue = PyObject_CallObject (pfunc, pargs);
Py_DECREF (pargs);
if (pvalue != NULL)
{
if (pvalue == Py_None) // no error
{
err_msg.clear();
retval = true;
}
else // return value is an error string
{
err_msg.assign(PyString_AsString(pvalue));
retval = false;
}
Py_DECREF (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;
}
%}