llvm-project/lldb/bindings/python/python-wrapper.swig

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%header %{
template <typename T>
PyObject *
SBTypeToSWIGWrapper (T* item);
class PyErr_Cleaner
{
public:
PyErr_Cleaner(bool print=false) :
m_print(print)
{
}
~PyErr_Cleaner()
{
if (PyErr_Occurred())
{
if(m_print && !PyErr_ExceptionMatches(PyExc_SystemExit))
PyErr_Print();
PyErr_Clear();
}
}
private:
bool m_print;
};
%}
%wrapper %{
// resolve a dotted Python name in the form
// foo.bar.baz.Foobar to an actual Python object
// if pmodule is NULL, the __main__ module will be used
// as the starting point for the search
// This function is called by lldb_private::ScriptInterpreterPython::BreakpointCallbackFunction(...)
// and is used when a script command is attached to a breakpoint for execution.
SWIGEXPORT llvm::Expected<bool>
LLDBSwigPythonBreakpointCallbackFunction
(
const char *python_function_name,
const char *session_dictionary_name,
const lldb::StackFrameSP& frame_sp,
const lldb::BreakpointLocationSP& bp_loc_sp,
lldb_private::StructuredDataImpl *args_impl
)
{
using namespace llvm;
lldb::SBFrame sb_frame (frame_sp);
lldb::SBBreakpointLocation sb_bp_loc(bp_loc_sp);
PyErr_Cleaner py_err_cleaner(true);
auto dict = PythonModule::MainModule().ResolveName<PythonDictionary>(session_dictionary_name);
auto pfunc = PythonObject::ResolveNameWithDictionary<PythonCallable>(python_function_name, dict);
unsigned max_positional_args;
if (auto arg_info = pfunc.GetArgInfo())
max_positional_args = arg_info.get().max_positional_args;
else
return arg_info.takeError();
PythonObject frame_arg(PyRefType::Owned, SBTypeToSWIGWrapper(sb_frame));
PythonObject bp_loc_arg(PyRefType::Owned, SBTypeToSWIGWrapper(sb_bp_loc));
auto result = [&] () -> Expected<PythonObject> {
// If the called function doesn't take extra_args, drop them here:
if (max_positional_args < 4) {
return pfunc.Call(frame_arg, bp_loc_arg, dict);
} else {
lldb::SBStructuredData *args_value = new lldb::SBStructuredData(args_impl);
PythonObject args_arg(PyRefType::Owned, SBTypeToSWIGWrapper(args_value));
return pfunc.Call(frame_arg, bp_loc_arg, args_arg, dict);
}
} ();
if (!result)
return result.takeError();
// Only False counts as false!
return result.get().get() != Py_False;
}
// This function is called by lldb_private::ScriptInterpreterPython::WatchpointCallbackFunction(...)
// and is used when a script command is attached to a watchpoint for execution.
SWIGEXPORT bool
LLDBSwigPythonWatchpointCallbackFunction
(
const char *python_function_name,
const char *session_dictionary_name,
const lldb::StackFrameSP& frame_sp,
const lldb::WatchpointSP& wp_sp
)
{
lldb::SBFrame sb_frame (frame_sp);
lldb::SBWatchpoint sb_wp(wp_sp);
bool stop_at_watchpoint = true;
PyErr_Cleaner py_err_cleaner(true);
auto dict = PythonModule::MainModule().ResolveName<PythonDictionary>(session_dictionary_name);
auto pfunc = PythonObject::ResolveNameWithDictionary<PythonCallable>(python_function_name, dict);
if (!pfunc.IsAllocated())
return stop_at_watchpoint;
PythonObject frame_arg(PyRefType::Owned, SBTypeToSWIGWrapper(sb_frame));
PythonObject wp_arg(PyRefType::Owned, SBTypeToSWIGWrapper(sb_wp));
PythonObject result = pfunc(frame_arg, wp_arg, dict);
if (result.get() == Py_False)
stop_at_watchpoint = false;
return stop_at_watchpoint;
}
SWIGEXPORT bool
LLDBSwigPythonCallTypeScript
(
const char *python_function_name,
const void *session_dictionary,
const lldb::ValueObjectSP& valobj_sp,
void** pyfunct_wrapper,
const lldb::TypeSummaryOptionsSP& options_sp,
std::string& retval
)
{
lldb::SBValue sb_value (valobj_sp);
lldb::SBTypeSummaryOptions sb_options(options_sp.get());
retval.clear();
if (!python_function_name || !session_dictionary)
return false;
PyObject *pfunc_impl = nullptr;
if (pyfunct_wrapper && *pyfunct_wrapper && PyFunction_Check (*pyfunct_wrapper))
{
pfunc_impl = (PyObject*)(*pyfunct_wrapper);
if (pfunc_impl->ob_refcnt == 1)
{
Py_XDECREF(pfunc_impl);
pfunc_impl = NULL;
}
}
PyObject *py_dict = (PyObject*)session_dictionary;
if (!PythonDictionary::Check(py_dict))
return true;
PythonDictionary dict(PyRefType::Borrowed, py_dict);
PyErr_Cleaner pyerr_cleanup(true); // show Python errors
PythonCallable pfunc(PyRefType::Borrowed, pfunc_impl);
if (!pfunc.IsAllocated())
{
pfunc = PythonObject::ResolveNameWithDictionary<PythonCallable>(python_function_name, dict);
if (!pfunc.IsAllocated())
return false;
if (pyfunct_wrapper)
{
*pyfunct_wrapper = pfunc.get();
Py_XINCREF(pfunc.get());
}
}
PythonObject result;
auto argc = pfunc.GetArgInfo();
if (!argc) {
llvm::consumeError(argc.takeError());
return false;
}
PythonObject value_arg(PyRefType::Owned, SBTypeToSWIGWrapper(sb_value));
PythonObject options_arg(PyRefType::Owned, SBTypeToSWIGWrapper(sb_options));
if (argc.get().max_positional_args < 3)
result = pfunc(value_arg,dict);
else
result = pfunc(value_arg,dict,options_arg);
retval = result.Str().GetString().str();
return true;
}
SWIGEXPORT void*
LLDBSwigPythonCreateSyntheticProvider
(
const char *python_class_name,
const char *session_dictionary_name,
const lldb::ValueObjectSP& valobj_sp
)
{
if (python_class_name == NULL || python_class_name[0] == '\0' || !session_dictionary_name)
Py_RETURN_NONE;
PyErr_Cleaner py_err_cleaner(true);
auto dict = PythonModule::MainModule().ResolveName<PythonDictionary>(session_dictionary_name);
auto pfunc = PythonObject::ResolveNameWithDictionary<PythonCallable>(python_class_name,dict);
if (!pfunc.IsAllocated())
Py_RETURN_NONE;
// I do not want the SBValue to be deallocated when going out of scope because python
// 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);
PythonObject val_arg(PyRefType::Owned, SBTypeToSWIGWrapper(sb_value));
if (!val_arg.IsAllocated())
Py_RETURN_NONE;
PythonObject result = pfunc(val_arg, dict);
if (result.IsAllocated())
return result.release();
Py_RETURN_NONE;
}
SWIGEXPORT void*
LLDBSwigPythonCreateCommandObject
(
const char *python_class_name,
const char *session_dictionary_name,
const lldb::DebuggerSP debugger_sp
)
{
if (python_class_name == NULL || python_class_name[0] == '\0' || !session_dictionary_name)
Py_RETURN_NONE;
PyErr_Cleaner py_err_cleaner(true);
auto dict = PythonModule::MainModule().ResolveName<PythonDictionary>(session_dictionary_name);
auto pfunc = PythonObject::ResolveNameWithDictionary<PythonCallable>(python_class_name, dict);
if (!pfunc.IsAllocated())
return nullptr;
lldb::SBDebugger debugger_sb(debugger_sp);
PythonObject debugger_arg(PyRefType::Owned, SBTypeToSWIGWrapper(debugger_sb));
PythonObject result = pfunc(debugger_arg, dict);
if (result.IsAllocated())
return result.release();
Py_RETURN_NONE;
}
SWIGEXPORT void*
LLDBSwigPythonCreateScriptedThreadPlan
(
const char *python_class_name,
const char *session_dictionary_name,
lldb_private::StructuredDataImpl *args_impl,
std::string &error_string,
const lldb::ThreadPlanSP& thread_plan_sp
)
{
if (python_class_name == NULL || python_class_name[0] == '\0' || !session_dictionary_name)
Py_RETURN_NONE;
PyErr_Cleaner py_err_cleaner(true);
auto dict = PythonModule::MainModule().ResolveName<PythonDictionary>(session_dictionary_name);
auto pfunc = PythonObject::ResolveNameWithDictionary<PythonCallable>(python_class_name, dict);
if (!pfunc.IsAllocated()) {
error_string.append("could not find script class: ");
error_string.append(python_class_name);
return nullptr;
}
// I do not want the SBThreadPlan to be deallocated when going out of scope
// because python has ownership of it and will manage memory for this
// object by itself
PythonObject tp_arg(PyRefType::Owned, SBTypeToSWIGWrapper(new lldb::SBThreadPlan(thread_plan_sp)));
if (!tp_arg.IsAllocated())
Py_RETURN_NONE;
llvm::Expected<PythonCallable::ArgInfo> arg_info = pfunc.GetArgInfo();
if (!arg_info) {
llvm::handleAllErrors(
arg_info.takeError(),
[&](PythonException &E) {
error_string.append(E.ReadBacktrace());
},
[&](const llvm::ErrorInfoBase &E) {
error_string.append(E.message());
});
Py_RETURN_NONE;
}
PythonObject result = {};
if (arg_info.get().max_positional_args == 2) {
if (args_impl != nullptr) {
error_string.assign("args passed, but __init__ does not take an args dictionary");
Py_RETURN_NONE;
}
result = pfunc(tp_arg, dict);
} else if (arg_info.get().max_positional_args >= 3) {
PythonObject args_arg(PyRefType::Owned, SBTypeToSWIGWrapper(new lldb::SBStructuredData(args_impl)));
result = pfunc(tp_arg, args_arg, dict);
} else {
error_string.assign("wrong number of arguments in __init__, should be 2 or 3 (not including self)");
Py_RETURN_NONE;
}
// FIXME: At this point we should check that the class we found supports all the methods
// that we need.
if (result.IsAllocated())
return result.release();
Py_RETURN_NONE;
}
SWIGEXPORT bool
LLDBSWIGPythonCallThreadPlan
(
void *implementor,
const char *method_name,
lldb_private::Event *event,
bool &got_error
)
{
got_error = false;
PyErr_Cleaner py_err_cleaner(false);
PythonObject self(PyRefType::Borrowed, static_cast<PyObject*>(implementor));
auto pfunc = self.ResolveName<PythonCallable>(method_name);
if (!pfunc.IsAllocated())
return false;
PythonObject result;
if (event != nullptr)
{
lldb::SBEvent sb_event(event);
PythonObject event_arg(PyRefType::Owned, SBTypeToSWIGWrapper(sb_event));
result = pfunc(event_arg);
}
else
result = pfunc();
if (PyErr_Occurred())
{
got_error = true;
printf ("Return value was neither false nor true for call to %s.\n", method_name);
PyErr_Print();
return false;
}
if (result.get() == Py_True)
return true;
else if (result.get() == Py_False)
return false;
// Somebody returned the wrong thing...
got_error = true;
printf ("Wrong return value type for call to %s.\n", method_name);
return false;
}
SWIGEXPORT void *
LLDBSwigPythonCreateScriptedBreakpointResolver
(
const char *python_class_name,
const char *session_dictionary_name,
lldb_private::StructuredDataImpl *args_impl,
lldb::BreakpointSP &breakpoint_sp
)
{
if (python_class_name == NULL || python_class_name[0] == '\0' || !session_dictionary_name)
Py_RETURN_NONE;
PyErr_Cleaner py_err_cleaner(true);
auto dict = PythonModule::MainModule().ResolveName<PythonDictionary>(session_dictionary_name);
auto pfunc = PythonObject::ResolveNameWithDictionary<PythonCallable>(python_class_name, dict);
if (!pfunc.IsAllocated())
return nullptr;
lldb::SBBreakpoint *bkpt_value = new lldb::SBBreakpoint(breakpoint_sp);
PythonObject bkpt_arg(PyRefType::Owned, SBTypeToSWIGWrapper(bkpt_value));
lldb::SBStructuredData *args_value = new lldb::SBStructuredData(args_impl);
PythonObject args_arg(PyRefType::Owned, SBTypeToSWIGWrapper(args_value));
PythonObject result = pfunc(bkpt_arg, args_arg, dict);
// FIXME: At this point we should check that the class we found supports all the methods
// that we need.
if (result.IsAllocated())
{
// Check that __callback__ is defined:
auto callback_func = result.ResolveName<PythonCallable>("__callback__");
if (callback_func.IsAllocated())
return result.release();
else
result.release();
}
Py_RETURN_NONE;
}
SWIGEXPORT unsigned int
LLDBSwigPythonCallBreakpointResolver
(
void *implementor,
const char *method_name,
lldb_private::SymbolContext *sym_ctx
)
{
PyErr_Cleaner py_err_cleaner(false);
PythonObject self(PyRefType::Borrowed, static_cast<PyObject*>(implementor));
auto pfunc = self.ResolveName<PythonCallable>(method_name);
if (!pfunc.IsAllocated())
return 0;
PythonObject result;
if (sym_ctx != nullptr) {
lldb::SBSymbolContext sb_sym_ctx(sym_ctx);
PythonObject sym_ctx_arg(PyRefType::Owned, SBTypeToSWIGWrapper(sb_sym_ctx));
result = pfunc(sym_ctx_arg);
} else
result = pfunc();
if (PyErr_Occurred())
{
PyErr_Print();
PyErr_Clear();
return 0;
}
// The callback will return a bool, but we're need to also return ints
// so we're squirrelling the bool through as an int... And if you return
// nothing, we'll continue.
if (strcmp(method_name, "__callback__") == 0) {
if (result.get() == Py_False)
return 0;
else
return 1;
}
long long ret_val = unwrapOrSetPythonException(As<long long>(result));
if (PyErr_Occurred()) {
PyErr_Print();
PyErr_Clear();
return 0;
}
return ret_val;
}
SWIGEXPORT void *
LLDBSwigPythonCreateScriptedStopHook
(
lldb::TargetSP target_sp,
const char *python_class_name,
const char *session_dictionary_name,
lldb_private::StructuredDataImpl *args_impl,
Status &error
)
{
if (python_class_name == NULL || python_class_name[0] == '\0') {
error.SetErrorString("Empty class name.");
Py_RETURN_NONE;
}
if (!session_dictionary_name) {
error.SetErrorString("No session dictionary");
Py_RETURN_NONE;
}
PyErr_Cleaner py_err_cleaner(true);
auto dict =
PythonModule::MainModule().ResolveName<PythonDictionary>(
session_dictionary_name);
auto pfunc =
PythonObject::ResolveNameWithDictionary<PythonCallable>(
python_class_name, dict);
if (!pfunc.IsAllocated()) {
error.SetErrorStringWithFormat("Could not find class: %s.",
python_class_name);
return nullptr;
}
lldb::SBTarget *target_val
= new lldb::SBTarget(target_sp);
PythonObject target_arg(PyRefType::Owned, SBTypeToSWIGWrapper(target_val));
lldb::SBStructuredData *args_value = new lldb::SBStructuredData(args_impl);
PythonObject args_arg(PyRefType::Owned, SBTypeToSWIGWrapper(args_value));
PythonObject result = pfunc(target_arg, args_arg, dict);
if (result.IsAllocated())
{
// Check that the handle_stop callback is defined:
auto callback_func = result.ResolveName<PythonCallable>("handle_stop");
if (callback_func.IsAllocated()) {
if (auto args_info = callback_func.GetArgInfo()) {
size_t num_args = (*args_info).max_positional_args;
if (num_args != 2) {
error.SetErrorStringWithFormat("Wrong number of args for "
"handle_stop callback, should be 2 (excluding self), got: %zu",
num_args);
Py_RETURN_NONE;
} else
return result.release();
} else {
error.SetErrorString("Couldn't get num arguments for handle_stop "
"callback.");
Py_RETURN_NONE;
}
return result.release();
}
else {
error.SetErrorStringWithFormat("Class \"%s\" is missing the required "
"handle_stop callback.",
python_class_name);
result.release();
}
}
Py_RETURN_NONE;
}
SWIGEXPORT bool
LLDBSwigPythonStopHookCallHandleStop
(
void *implementor,
lldb::ExecutionContextRefSP exc_ctx_sp,
lldb::StreamSP stream
)
{
// handle_stop will return a bool with the meaning "should_stop"...
// If you return nothing we'll assume we are going to stop.
// Also any errors should return true, since we should stop on error.
PyErr_Cleaner py_err_cleaner(false);
PythonObject self(PyRefType::Borrowed, static_cast<PyObject*>(implementor));
auto pfunc = self.ResolveName<PythonCallable>("handle_stop");
if (!pfunc.IsAllocated())
return true;
PythonObject result;
lldb::SBExecutionContext sb_exc_ctx(exc_ctx_sp);
PythonObject exc_ctx_arg(PyRefType::Owned, SBTypeToSWIGWrapper(sb_exc_ctx));
lldb::SBStream sb_stream;
PythonObject sb_stream_arg(PyRefType::Owned,
SBTypeToSWIGWrapper(sb_stream));
result = pfunc(exc_ctx_arg, sb_stream_arg);
if (PyErr_Occurred())
{
stream->PutCString("Python error occurred handling stop-hook.");
PyErr_Print();
PyErr_Clear();
return true;
}
// Now add the result to the output stream. SBStream only
// makes an internally help StreamString which I can't interpose, so I
// have to copy it over here.
stream->PutCString(sb_stream.GetData());
if (result.get() == Py_False)
return false;
else
return true;
}
// wrapper that calls an optional instance member of an object taking no arguments
static PyObject*
LLDBSwigPython_CallOptionalMember
(
PyObject* implementor,
char* callee_name,
PyObject* ret_if_not_found = Py_None,
bool* was_found = NULL
)
{
PyErr_Cleaner py_err_cleaner(false);
PythonObject self(PyRefType::Borrowed, static_cast<PyObject*>(implementor));
auto pfunc = self.ResolveName<PythonCallable>(callee_name);
if (!pfunc.IsAllocated())
{
if (was_found)
*was_found = false;
Py_XINCREF(ret_if_not_found);
return ret_if_not_found;
}
if (was_found)
*was_found = true;
PythonObject result = pfunc();
return result.release();
}
SWIGEXPORT size_t
LLDBSwigPython_CalculateNumChildren
(
PyObject *implementor,
uint32_t max
)
{
PythonObject self(PyRefType::Borrowed, implementor);
auto pfunc = self.ResolveName<PythonCallable>("num_children");
if (!pfunc.IsAllocated())
return 0;
auto arg_info = pfunc.GetArgInfo();
if (!arg_info) {
llvm::consumeError(arg_info.takeError());
return 0;
}
size_t ret_val;
if (arg_info.get().max_positional_args < 1)
ret_val = unwrapOrSetPythonException(As<long long>(pfunc.Call()));
else
ret_val = unwrapOrSetPythonException(As<long long>(pfunc.Call(PythonInteger(max))));
if (PyErr_Occurred())
{
PyErr_Print();
PyErr_Clear();
return 0;
}
if (arg_info.get().max_positional_args < 1)
ret_val = std::min(ret_val, static_cast<size_t>(max));
return ret_val;
}
SWIGEXPORT PyObject*
LLDBSwigPython_GetChildAtIndex
(
PyObject *implementor,
uint32_t idx
)
{
PyErr_Cleaner py_err_cleaner(true);
PythonObject self(PyRefType::Borrowed, implementor);
auto pfunc = self.ResolveName<PythonCallable>("get_child_at_index");
if (!pfunc.IsAllocated())
return nullptr;
PythonObject result = pfunc(PythonInteger(idx));
if (!result.IsAllocated())
return nullptr;
lldb::SBValue* sbvalue_ptr = nullptr;
if (SWIG_ConvertPtr(result.get(), (void**)&sbvalue_ptr, SWIGTYPE_p_lldb__SBValue, 0) == -1)
return nullptr;
if (sbvalue_ptr == nullptr)
return nullptr;
return result.release();
}
SWIGEXPORT int
LLDBSwigPython_GetIndexOfChildWithName
(
PyObject *implementor,
const char* child_name
)
{
PyErr_Cleaner py_err_cleaner(true);
PythonObject self(PyRefType::Borrowed, implementor);
auto pfunc = self.ResolveName<PythonCallable>("get_child_index");
if (!pfunc.IsAllocated())
return UINT32_MAX;
llvm::Expected<PythonObject> result = pfunc.Call(PythonString(child_name));
long long retval = unwrapOrSetPythonException(As<long long>(std::move(result)));
if (PyErr_Occurred()) {
PyErr_Clear(); // FIXME print this? do something else
return UINT32_MAX;
}
if (retval >= 0)
return (uint32_t)retval;
return UINT32_MAX;
}
SWIGEXPORT bool
LLDBSwigPython_UpdateSynthProviderInstance
(
PyObject *implementor
)
{
bool ret_val = false;
static char callee_name[] = "update";
PyObject* py_return = LLDBSwigPython_CallOptionalMember(implementor,callee_name);
if (py_return == Py_True)
ret_val = true;
Py_XDECREF(py_return);
return ret_val;
}
SWIGEXPORT bool
LLDBSwigPython_MightHaveChildrenSynthProviderInstance
(
PyObject *implementor
)
{
bool ret_val = false;
static char callee_name[] = "has_children";
PyObject* py_return = LLDBSwigPython_CallOptionalMember(implementor,callee_name, Py_True);
if (py_return == Py_True)
ret_val = true;
Py_XDECREF(py_return);
return ret_val;
}
SWIGEXPORT PyObject*
LLDBSwigPython_GetValueSynthProviderInstance
(
PyObject *implementor
)
{
PyObject* ret_val = nullptr;
static char callee_name[] = "get_value";
PyObject* py_return = LLDBSwigPython_CallOptionalMember(implementor,callee_name, Py_None);
if (py_return == Py_None || py_return == nullptr)
ret_val = nullptr;
lldb::SBValue* sbvalue_ptr = NULL;
if (SWIG_ConvertPtr(py_return, (void**)&sbvalue_ptr, SWIGTYPE_p_lldb__SBValue, 0) == -1)
ret_val = nullptr;
else if (sbvalue_ptr == NULL)
ret_val = nullptr;
else
ret_val = py_return;
Py_XDECREF(py_return);
return ret_val;
}
SWIGEXPORT void*
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,
lldb_private::CommandReturnObject& cmd_retobj,
lldb::ExecutionContextRefSP exe_ctx_ref_sp
)
{
lldb::SBCommandReturnObject cmd_retobj_sb(cmd_retobj);
lldb::SBDebugger debugger_sb(debugger);
lldb::SBExecutionContext exe_ctx_sb(exe_ctx_ref_sp);
PyErr_Cleaner py_err_cleaner(true);
auto dict = PythonModule::MainModule().ResolveName<PythonDictionary>(session_dictionary_name);
auto pfunc = PythonObject::ResolveNameWithDictionary<PythonCallable>(python_function_name, dict);
if (!pfunc.IsAllocated())
return false;
// pass the pointer-to cmd_retobj_sb or watch the underlying object disappear from under you
// see comment above for SBCommandReturnObjectReleaser for further details
auto argc = pfunc.GetArgInfo();
if (!argc) {
llvm::consumeError(argc.takeError());
return false;
}
PythonObject debugger_arg(PyRefType::Owned, SBTypeToSWIGWrapper(debugger_sb));
PythonObject exe_ctx_arg(PyRefType::Owned, SBTypeToSWIGWrapper(exe_ctx_sb));
PythonObject cmd_retobj_arg(PyRefType::Owned, SBTypeToSWIGWrapper(&cmd_retobj_sb));
if (argc.get().max_positional_args < 5u)
pfunc(debugger_arg, PythonString(args), cmd_retobj_arg, dict);
else
pfunc(debugger_arg, PythonString(args), exe_ctx_arg, cmd_retobj_arg, dict);
return true;
}
SWIGEXPORT bool
LLDBSwigPythonCallCommandObject
(
PyObject *implementor,
lldb::DebuggerSP& debugger,
const char* args,
lldb_private::CommandReturnObject& cmd_retobj,
lldb::ExecutionContextRefSP exe_ctx_ref_sp
)
{
lldb::SBCommandReturnObject cmd_retobj_sb(cmd_retobj);
lldb::SBDebugger debugger_sb(debugger);
lldb::SBExecutionContext exe_ctx_sb(exe_ctx_ref_sp);
PyErr_Cleaner py_err_cleaner(true);
PythonObject self(PyRefType::Borrowed, implementor);
auto pfunc = self.ResolveName<PythonCallable>("__call__");
if (!pfunc.IsAllocated())
return false;
// pass the pointer-to cmd_retobj_sb or watch the underlying object disappear from under you
// see comment above for SBCommandReturnObjectReleaser for further details
PythonObject debugger_arg(PyRefType::Owned, SBTypeToSWIGWrapper(debugger_sb));
PythonObject exe_ctx_arg(PyRefType::Owned, SBTypeToSWIGWrapper(exe_ctx_sb));
PythonObject cmd_retobj_arg(PyRefType::Owned, SBTypeToSWIGWrapper(&cmd_retobj_sb));
pfunc(debugger_arg, PythonString(args), exe_ctx_arg, cmd_retobj_arg);
return true;
}
SWIGEXPORT void*
LLDBSWIGPythonCreateOSPlugin
(
const char *python_class_name,
const char *session_dictionary_name,
const lldb::ProcessSP& process_sp
)
{
if (python_class_name == NULL || python_class_name[0] == '\0' || !session_dictionary_name)
Py_RETURN_NONE;
PyErr_Cleaner py_err_cleaner(true);
auto dict = PythonModule::MainModule().ResolveName<PythonDictionary>(session_dictionary_name);
auto pfunc = PythonObject::ResolveNameWithDictionary<PythonCallable>(python_class_name, dict);
if (!pfunc.IsAllocated())
Py_RETURN_NONE;
// I do not want the SBProcess to be deallocated when going out of scope because python
// has ownership of it and will manage memory for this object by itself
lldb::SBProcess *process_sb = new lldb::SBProcess(process_sp);
PythonObject process_arg(PyRefType::Owned, SBTypeToSWIGWrapper(process_sb));
if (!process_arg.IsAllocated())
Py_RETURN_NONE;
auto result = pfunc(process_arg);
if (result.IsAllocated())
return result.release();
Py_RETURN_NONE;
}
SWIGEXPORT void*
LLDBSWIGPython_CreateFrameRecognizer
(
const char *python_class_name,
const char *session_dictionary_name
)
{
if (python_class_name == NULL || python_class_name[0] == '\0' || !session_dictionary_name)
Py_RETURN_NONE;
PyErr_Cleaner py_err_cleaner(true);
auto dict = PythonModule::MainModule().ResolveName<PythonDictionary>(session_dictionary_name);
auto pfunc = PythonObject::ResolveNameWithDictionary<PythonCallable>(python_class_name, dict);
if (!pfunc.IsAllocated())
Py_RETURN_NONE;
auto result = pfunc();
if (result.IsAllocated())
return result.release();
Py_RETURN_NONE;
}
SWIGEXPORT PyObject*
LLDBSwigPython_GetRecognizedArguments
(
PyObject *implementor,
const lldb::StackFrameSP& frame_sp
)
{
static char callee_name[] = "get_recognized_arguments";
lldb::SBFrame frame_sb(frame_sp);
PyObject *arg = SBTypeToSWIGWrapper(frame_sb);
PythonString str(callee_name);
PyObject* result = PyObject_CallMethodObjArgs(implementor, str.get(), arg,
NULL);
return result;
}
SWIGEXPORT void*
LLDBSWIGPython_GetDynamicSetting (void* module, const char* setting, const lldb::TargetSP& target_sp)
{
if (!module || !setting)
Py_RETURN_NONE;
PyErr_Cleaner py_err_cleaner(true);
PythonObject py_module(PyRefType::Borrowed, (PyObject *)module);
auto pfunc = py_module.ResolveName<PythonCallable>("get_dynamic_setting");
if (!pfunc.IsAllocated())
Py_RETURN_NONE;
lldb::SBTarget target_sb(target_sp);
PythonObject target_arg(PyRefType::Owned, SBTypeToSWIGWrapper(target_sb));
auto result = pfunc(target_arg, PythonString(setting));
return result.release();
}
SWIGEXPORT bool
LLDBSWIGPythonRunScriptKeywordProcess
(const char* python_function_name,
const char* session_dictionary_name,
lldb::ProcessSP& process,
std::string& output)
{
if (python_function_name == NULL || python_function_name[0] == '\0' || !session_dictionary_name)
return false;
PyErr_Cleaner py_err_cleaner(true);
auto dict = PythonModule::MainModule().ResolveName<PythonDictionary>(session_dictionary_name);
auto pfunc = PythonObject::ResolveNameWithDictionary<PythonCallable>(python_function_name, dict);
if (!pfunc.IsAllocated())
return false;
lldb::SBProcess process_sb(process);
PythonObject process_arg(PyRefType::Owned, SBTypeToSWIGWrapper(process_sb));
auto result = pfunc(process_arg, dict);
output = result.Str().GetString().str();
return true;
}
SWIGEXPORT bool
LLDBSWIGPythonRunScriptKeywordThread
(const char* python_function_name,
const char* session_dictionary_name,
lldb::ThreadSP& thread,
std::string& output)
{
if (python_function_name == NULL || python_function_name[0] == '\0' || !session_dictionary_name)
return false;
PyErr_Cleaner py_err_cleaner(true);
auto dict = PythonModule::MainModule().ResolveName<PythonDictionary>(session_dictionary_name);
auto pfunc = PythonObject::ResolveNameWithDictionary<PythonCallable>(python_function_name, dict);
if (!pfunc.IsAllocated())
return false;
lldb::SBThread thread_sb(thread);
PythonObject thread_arg(PyRefType::Owned, SBTypeToSWIGWrapper(thread_sb));
auto result = pfunc(thread_arg, dict);
output = result.Str().GetString().str();
return true;
}
SWIGEXPORT bool
LLDBSWIGPythonRunScriptKeywordTarget
(const char* python_function_name,
const char* session_dictionary_name,
lldb::TargetSP& target,
std::string& output)
{
if (python_function_name == NULL || python_function_name[0] == '\0' || !session_dictionary_name)
return false;
PyErr_Cleaner py_err_cleaner(true);
auto dict = PythonModule::MainModule().ResolveName<PythonDictionary>(session_dictionary_name);
auto pfunc = PythonObject::ResolveNameWithDictionary<PythonCallable>(python_function_name,dict);
if (!pfunc.IsAllocated())
return false;
lldb::SBTarget target_sb(target);
PythonObject target_arg(PyRefType::Owned, SBTypeToSWIGWrapper(target_sb));
auto result = pfunc(target_arg, dict);
output = result.Str().GetString().str();
return true;
}
SWIGEXPORT bool
LLDBSWIGPythonRunScriptKeywordFrame
(const char* python_function_name,
const char* session_dictionary_name,
lldb::StackFrameSP& frame,
std::string& output)
{
if (python_function_name == NULL || python_function_name[0] == '\0' || !session_dictionary_name)
return false;
PyErr_Cleaner py_err_cleaner(true);
auto dict = PythonModule::MainModule().ResolveName<PythonDictionary>(session_dictionary_name);
auto pfunc = PythonObject::ResolveNameWithDictionary<PythonCallable>(python_function_name,dict);
if (!pfunc.IsAllocated())
return false;
lldb::SBFrame frame_sb(frame);
PythonObject frame_arg(PyRefType::Owned, SBTypeToSWIGWrapper(frame_sb));
auto result = pfunc(frame_arg, dict);
output = result.Str().GetString().str();
return true;
}
SWIGEXPORT bool
LLDBSWIGPythonRunScriptKeywordValue
(const char* python_function_name,
const char* session_dictionary_name,
lldb::ValueObjectSP& value,
std::string& output)
{
if (python_function_name == NULL || python_function_name[0] == '\0' || !session_dictionary_name)
return false;
PyErr_Cleaner py_err_cleaner(true);
auto dict = PythonModule::MainModule().ResolveName<PythonDictionary>(session_dictionary_name);
auto pfunc = PythonObject::ResolveNameWithDictionary<PythonCallable>(python_function_name, dict);
if (!pfunc.IsAllocated())
return false;
lldb::SBValue value_sb(value);
PythonObject value_arg(PyRefType::Owned, SBTypeToSWIGWrapper(value_sb));
auto result = pfunc(value_arg, dict);
output = result.Str().GetString().str();
return true;
}
SWIGEXPORT bool
LLDBSwigPythonCallModuleInit
(
const char *python_module_name,
const char *session_dictionary_name,
lldb::DebuggerSP& debugger
)
{
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();
PyErr_Cleaner py_err_cleaner(true);
auto dict = PythonModule::MainModule().ResolveName<PythonDictionary>(session_dictionary_name);
auto pfunc = PythonObject::ResolveNameWithDictionary<PythonCallable>(python_function_name, dict);
// This method is optional and need not exist. So if we don't find it,
// it's actually a success, not a failure.
if (!pfunc.IsAllocated())
return true;
lldb::SBDebugger debugger_sb(debugger);
PythonObject debugger_arg(PyRefType::Owned, SBTypeToSWIGWrapper(debugger_sb));
pfunc(debugger_arg, dict);
return true;
}
%}
%runtime %{
// Forward declaration to be inserted at the start of LLDBWrapPython.h
#include "lldb/API/SBDebugger.h"
#include "lldb/API/SBValue.h"
SWIGEXPORT lldb::ValueObjectSP
LLDBSWIGPython_GetValueObjectSPFromSBValue (void* data)
{
lldb::ValueObjectSP valobj_sp;
if (data)
{
lldb::SBValue* sb_ptr = (lldb::SBValue *)data;
valobj_sp = sb_ptr->GetSP();
}
return valobj_sp;
}
#ifdef __cplusplus
extern "C" {
#endif
void LLDBSwigPythonCallPythonLogOutputCallback(const char *str, void *baton);
#ifdef __cplusplus
}
#endif
%}
%wrapper %{
// For the LogOutputCallback functions
void LLDBSwigPythonCallPythonLogOutputCallback(const char *str, void *baton) {
if (baton != Py_None) {
SWIG_PYTHON_THREAD_BEGIN_BLOCK;
PyObject *result = PyObject_CallFunction(reinterpret_cast<PyObject*>(baton), const_cast<char*>("s"), str);
Py_XDECREF(result);
SWIG_PYTHON_THREAD_END_BLOCK;
}
}
%}