9a14adeae0
The LLDBSWIGPython functions had (at least) two problems: - There wasn't a single source of truth (a header file) for the prototypes of these functions. This meant that subtle differences in copies of function declarations could go by undetected. And not-so-subtle differences would result in strange runtime failures. - All of the declarations had to have an extern "C" interface, because the function definitions were being placed inside and extert "C" block generated by swig. This patch fixes both problems by moving the function definitions to the %header block of the swig files. This block is not surrounded by extern "C", and seems more appropriate anyway, as swig docs say it is meant for "user-defined support code" (whereas the previous %wrapper code was for automatically-generated wrappers). It also puts the declarations into the SWIGPythonBridge header file (which seems to have been created for this purpose), and ensures it is included by all code wishing to define or use these functions. This means that any differences in the declaration become a compiler error instead of a runtime failure. Differential Revision: https://reviews.llvm.org/D114369
1266 lines
36 KiB
Plaintext
1266 lines
36 KiB
Plaintext
%header %{
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class PyErr_Cleaner
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{
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public:
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PyErr_Cleaner(bool print=false) :
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m_print(print)
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{
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}
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~PyErr_Cleaner()
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{
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if (PyErr_Occurred())
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{
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if(m_print && !PyErr_ExceptionMatches(PyExc_SystemExit))
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PyErr_Print();
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PyErr_Clear();
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}
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}
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private:
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bool m_print;
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};
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llvm::Expected<bool>
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lldb_private::LLDBSwigPythonBreakpointCallbackFunction
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(
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const char *python_function_name,
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const char *session_dictionary_name,
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const lldb::StackFrameSP& frame_sp,
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const lldb::BreakpointLocationSP& bp_loc_sp,
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lldb_private::StructuredDataImpl *args_impl
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)
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{
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using namespace llvm;
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lldb::SBFrame sb_frame (frame_sp);
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lldb::SBBreakpointLocation sb_bp_loc(bp_loc_sp);
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PyErr_Cleaner py_err_cleaner(true);
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auto dict = PythonModule::MainModule().ResolveName<PythonDictionary>(session_dictionary_name);
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auto pfunc = PythonObject::ResolveNameWithDictionary<PythonCallable>(python_function_name, dict);
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unsigned max_positional_args;
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if (auto arg_info = pfunc.GetArgInfo())
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max_positional_args = arg_info.get().max_positional_args;
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else
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return arg_info.takeError();
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PythonObject frame_arg(PyRefType::Owned, SBTypeToSWIGWrapper(sb_frame));
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PythonObject bp_loc_arg(PyRefType::Owned, SBTypeToSWIGWrapper(sb_bp_loc));
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auto result = [&] () -> Expected<PythonObject> {
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// If the called function doesn't take extra_args, drop them here:
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if (max_positional_args < 4) {
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return pfunc.Call(frame_arg, bp_loc_arg, dict);
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} else {
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// FIXME: SBStructuredData leaked here
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lldb::SBStructuredData *args_value = new lldb::SBStructuredData(args_impl);
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PythonObject args_arg(PyRefType::Owned, SBTypeToSWIGWrapper(*args_value));
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return pfunc.Call(frame_arg, bp_loc_arg, args_arg, dict);
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}
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} ();
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if (!result)
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return result.takeError();
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// Only False counts as false!
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return result.get().get() != Py_False;
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}
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// resolve a dotted Python name in the form
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// foo.bar.baz.Foobar to an actual Python object
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// if pmodule is NULL, the __main__ module will be used
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// as the starting point for the search
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// This function is called by lldb_private::ScriptInterpreterPython::BreakpointCallbackFunction(...)
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// and is used when a script command is attached to a breakpoint for execution.
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// This function is called by lldb_private::ScriptInterpreterPython::WatchpointCallbackFunction(...)
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// and is used when a script command is attached to a watchpoint for execution.
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bool
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lldb_private::LLDBSwigPythonWatchpointCallbackFunction
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(
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const char *python_function_name,
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const char *session_dictionary_name,
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const lldb::StackFrameSP& frame_sp,
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const lldb::WatchpointSP& wp_sp
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)
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{
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lldb::SBFrame sb_frame (frame_sp);
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lldb::SBWatchpoint sb_wp(wp_sp);
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bool stop_at_watchpoint = true;
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PyErr_Cleaner py_err_cleaner(true);
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auto dict = PythonModule::MainModule().ResolveName<PythonDictionary>(session_dictionary_name);
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auto pfunc = PythonObject::ResolveNameWithDictionary<PythonCallable>(python_function_name, dict);
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if (!pfunc.IsAllocated())
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return stop_at_watchpoint;
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PythonObject frame_arg(PyRefType::Owned, SBTypeToSWIGWrapper(sb_frame));
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PythonObject wp_arg(PyRefType::Owned, SBTypeToSWIGWrapper(sb_wp));
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PythonObject result = pfunc(frame_arg, wp_arg, dict);
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if (result.get() == Py_False)
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stop_at_watchpoint = false;
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return stop_at_watchpoint;
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}
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bool
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lldb_private::LLDBSwigPythonCallTypeScript
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(
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const char *python_function_name,
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const void *session_dictionary,
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const lldb::ValueObjectSP& valobj_sp,
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void** pyfunct_wrapper,
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const lldb::TypeSummaryOptionsSP& options_sp,
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std::string& retval
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)
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{
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lldb::SBTypeSummaryOptions sb_options(options_sp.get());
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retval.clear();
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if (!python_function_name || !session_dictionary)
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return false;
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PyObject *pfunc_impl = nullptr;
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if (pyfunct_wrapper && *pyfunct_wrapper && PyFunction_Check (*pyfunct_wrapper))
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{
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pfunc_impl = (PyObject*)(*pyfunct_wrapper);
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if (pfunc_impl->ob_refcnt == 1)
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{
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Py_XDECREF(pfunc_impl);
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pfunc_impl = NULL;
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}
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}
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PyObject *py_dict = (PyObject*)session_dictionary;
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if (!PythonDictionary::Check(py_dict))
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return true;
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PythonDictionary dict(PyRefType::Borrowed, py_dict);
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PyErr_Cleaner pyerr_cleanup(true); // show Python errors
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PythonCallable pfunc(PyRefType::Borrowed, pfunc_impl);
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if (!pfunc.IsAllocated())
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{
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pfunc = PythonObject::ResolveNameWithDictionary<PythonCallable>(python_function_name, dict);
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if (!pfunc.IsAllocated())
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return false;
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if (pyfunct_wrapper)
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{
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*pyfunct_wrapper = pfunc.get();
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Py_XINCREF(pfunc.get());
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}
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}
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PythonObject result;
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auto argc = pfunc.GetArgInfo();
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if (!argc) {
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llvm::consumeError(argc.takeError());
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return false;
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}
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PythonObject value_arg = ToSWIGWrapper(valobj_sp);
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PythonObject options_arg(PyRefType::Owned, SBTypeToSWIGWrapper(sb_options));
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if (argc.get().max_positional_args < 3)
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result = pfunc(value_arg,dict);
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else
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result = pfunc(value_arg,dict,options_arg);
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retval = result.Str().GetString().str();
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return true;
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}
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void*
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lldb_private::LLDBSwigPythonCreateSyntheticProvider
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(
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const char *python_class_name,
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const char *session_dictionary_name,
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const lldb::ValueObjectSP& valobj_sp
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)
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{
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if (python_class_name == NULL || python_class_name[0] == '\0' || !session_dictionary_name)
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Py_RETURN_NONE;
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PyErr_Cleaner py_err_cleaner(true);
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auto dict = PythonModule::MainModule().ResolveName<PythonDictionary>(session_dictionary_name);
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auto pfunc = PythonObject::ResolveNameWithDictionary<PythonCallable>(python_class_name,dict);
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if (!pfunc.IsAllocated())
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Py_RETURN_NONE;
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auto sb_value = std::make_unique<lldb::SBValue>(valobj_sp);
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sb_value->SetPreferSyntheticValue(false);
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PythonObject val_arg = ToSWIGWrapper(std::move(sb_value));
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if (!val_arg.IsAllocated())
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Py_RETURN_NONE;
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PythonObject result = pfunc(val_arg, dict);
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if (result.IsAllocated())
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return result.release();
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Py_RETURN_NONE;
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}
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void*
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lldb_private::LLDBSwigPythonCreateCommandObject
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(
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const char *python_class_name,
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const char *session_dictionary_name,
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const lldb::DebuggerSP debugger_sp
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)
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{
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if (python_class_name == NULL || python_class_name[0] == '\0' || !session_dictionary_name)
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Py_RETURN_NONE;
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PyErr_Cleaner py_err_cleaner(true);
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auto dict = PythonModule::MainModule().ResolveName<PythonDictionary>(session_dictionary_name);
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auto pfunc = PythonObject::ResolveNameWithDictionary<PythonCallable>(python_class_name, dict);
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if (!pfunc.IsAllocated())
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return nullptr;
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lldb::SBDebugger debugger_sb(debugger_sp);
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PythonObject debugger_arg(PyRefType::Owned, SBTypeToSWIGWrapper(debugger_sb));
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PythonObject result = pfunc(debugger_arg, dict);
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if (result.IsAllocated())
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return result.release();
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Py_RETURN_NONE;
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}
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void*
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lldb_private::LLDBSwigPythonCreateScriptedProcess
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(
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const char *python_class_name,
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const char *session_dictionary_name,
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const lldb::TargetSP& target_sp,
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lldb_private::StructuredDataImpl *args_impl,
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std::string &error_string
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)
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{
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if (python_class_name == NULL || python_class_name[0] == '\0' || !session_dictionary_name)
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Py_RETURN_NONE;
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PyErr_Cleaner py_err_cleaner(true);
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auto dict = PythonModule::MainModule().ResolveName<PythonDictionary>(session_dictionary_name);
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auto pfunc = PythonObject::ResolveNameWithDictionary<PythonCallable>(python_class_name, dict);
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if (!pfunc.IsAllocated()) {
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error_string.append("could not find script class: ");
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error_string.append(python_class_name);
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return nullptr;
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}
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PythonObject target_arg = ToSWIGWrapper(target_sp);
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llvm::Expected<PythonCallable::ArgInfo> arg_info = pfunc.GetArgInfo();
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if (!arg_info) {
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llvm::handleAllErrors(
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arg_info.takeError(),
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[&](PythonException &E) {
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error_string.append(E.ReadBacktrace());
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},
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[&](const llvm::ErrorInfoBase &E) {
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error_string.append(E.message());
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});
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Py_RETURN_NONE;
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}
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PythonObject result = {};
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if (arg_info.get().max_positional_args == 2) {
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// FIXME: SBStructuredData leaked here
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PythonObject args_arg(PyRefType::Owned, SBTypeToSWIGWrapper(*new lldb::SBStructuredData(args_impl)));
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result = pfunc(target_arg, args_arg);
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} else {
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error_string.assign("wrong number of arguments in __init__, should be 2 (not including self)");
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Py_RETURN_NONE;
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}
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if (result.IsAllocated())
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return result.release();
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Py_RETURN_NONE;
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}
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void*
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lldb_private::LLDBSwigPythonCreateScriptedThread
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(
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const char *python_class_name,
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const char *session_dictionary_name,
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const lldb::ProcessSP& process_sp,
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lldb_private::StructuredDataImpl *args_impl,
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std::string &error_string
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)
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{
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if (python_class_name == NULL || python_class_name[0] == '\0' || !session_dictionary_name)
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Py_RETURN_NONE;
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PyErr_Cleaner py_err_cleaner(true);
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auto dict = PythonModule::MainModule().ResolveName<PythonDictionary>(session_dictionary_name);
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auto pfunc = PythonObject::ResolveNameWithDictionary<PythonCallable>(python_class_name, dict);
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if (!pfunc.IsAllocated()) {
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error_string.append("could not find script class: ");
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error_string.append(python_class_name);
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return nullptr;
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}
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llvm::Expected<PythonCallable::ArgInfo> arg_info = pfunc.GetArgInfo();
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if (!arg_info) {
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llvm::handleAllErrors(
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arg_info.takeError(),
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[&](PythonException &E) {
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error_string.append(E.ReadBacktrace());
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},
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[&](const llvm::ErrorInfoBase &E) {
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error_string.append(E.message());
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});
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Py_RETURN_NONE;
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}
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PythonObject result = {};
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if (arg_info.get().max_positional_args == 2) {
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// FIXME: SBStructuredData leaked here
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PythonObject args_arg(PyRefType::Owned, SBTypeToSWIGWrapper(*new lldb::SBStructuredData(args_impl)));
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result = pfunc(ToSWIGWrapper(process_sp), args_arg);
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} else {
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error_string.assign("wrong number of arguments in __init__, should be 2 (not including self)");
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Py_RETURN_NONE;
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}
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if (result.IsAllocated())
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return result.release();
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Py_RETURN_NONE;
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}
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void*
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lldb_private::LLDBSwigPythonCreateScriptedThreadPlan
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(
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const char *python_class_name,
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const char *session_dictionary_name,
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lldb_private::StructuredDataImpl *args_impl,
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std::string &error_string,
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const lldb::ThreadPlanSP& thread_plan_sp
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)
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{
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if (python_class_name == NULL || python_class_name[0] == '\0' || !session_dictionary_name)
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Py_RETURN_NONE;
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PyErr_Cleaner py_err_cleaner(true);
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auto dict = PythonModule::MainModule().ResolveName<PythonDictionary>(session_dictionary_name);
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auto pfunc = PythonObject::ResolveNameWithDictionary<PythonCallable>(python_class_name, dict);
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if (!pfunc.IsAllocated()) {
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error_string.append("could not find script class: ");
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error_string.append(python_class_name);
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return nullptr;
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}
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PythonObject tp_arg = ToSWIGWrapper(thread_plan_sp);
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llvm::Expected<PythonCallable::ArgInfo> arg_info = pfunc.GetArgInfo();
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if (!arg_info) {
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llvm::handleAllErrors(
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arg_info.takeError(),
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[&](PythonException &E) {
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error_string.append(E.ReadBacktrace());
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},
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[&](const llvm::ErrorInfoBase &E) {
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error_string.append(E.message());
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});
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Py_RETURN_NONE;
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}
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PythonObject result = {};
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if (arg_info.get().max_positional_args == 2) {
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if (args_impl != nullptr) {
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error_string.assign("args passed, but __init__ does not take an args dictionary");
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Py_RETURN_NONE;
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}
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result = pfunc(tp_arg, dict);
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} else if (arg_info.get().max_positional_args >= 3) {
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// FIXME: SBStructuredData leaked here
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PythonObject args_arg(PyRefType::Owned, SBTypeToSWIGWrapper(*new lldb::SBStructuredData(args_impl)));
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result = pfunc(tp_arg, args_arg, dict);
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} else {
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error_string.assign("wrong number of arguments in __init__, should be 2 or 3 (not including self)");
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Py_RETURN_NONE;
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}
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// FIXME: At this point we should check that the class we found supports all the methods
|
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// that we need.
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if (result.IsAllocated())
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return result.release();
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Py_RETURN_NONE;
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}
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bool
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lldb_private::LLDBSWIGPythonCallThreadPlan
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(
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void *implementor,
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const char *method_name,
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lldb_private::Event *event,
|
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bool &got_error
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)
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{
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got_error = false;
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PyErr_Cleaner py_err_cleaner(false);
|
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PythonObject self(PyRefType::Borrowed, static_cast<PyObject*>(implementor));
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auto pfunc = self.ResolveName<PythonCallable>(method_name);
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|
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if (!pfunc.IsAllocated())
|
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return false;
|
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|
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PythonObject result;
|
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if (event != nullptr)
|
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{
|
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lldb::SBEvent sb_event(event);
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PythonObject event_arg(PyRefType::Owned, SBTypeToSWIGWrapper(sb_event));
|
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result = pfunc(event_arg);
|
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}
|
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else
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result = pfunc();
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|
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if (PyErr_Occurred())
|
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{
|
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got_error = true;
|
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printf ("Return value was neither false nor true for call to %s.\n", method_name);
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PyErr_Print();
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return false;
|
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}
|
|
|
|
if (result.get() == Py_True)
|
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return true;
|
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else if (result.get() == Py_False)
|
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return false;
|
|
|
|
// Somebody returned the wrong thing...
|
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got_error = true;
|
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printf ("Wrong return value type for call to %s.\n", method_name);
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return false;
|
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}
|
|
|
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void *lldb_private::LLDBSwigPythonCreateScriptedBreakpointResolver(
|
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const char *python_class_name, const char *session_dictionary_name,
|
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lldb_private::StructuredDataImpl *args_impl,
|
|
const lldb::BreakpointSP &breakpoint_sp) {
|
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|
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if (python_class_name == NULL || python_class_name[0] == '\0' || !session_dictionary_name)
|
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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;
|
|
|
|
// FIXME: SBStructuredData leaked here
|
|
lldb::SBStructuredData *args_value = new lldb::SBStructuredData(args_impl);
|
|
PythonObject args_arg(PyRefType::Owned, SBTypeToSWIGWrapper(*args_value));
|
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|
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PythonObject result = pfunc(ToSWIGWrapper(breakpoint_sp), args_arg, dict);
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// 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:
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|
auto callback_func = result.ResolveName<PythonCallable>("__callback__");
|
|
if (callback_func.IsAllocated())
|
|
return result.release();
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|
else
|
|
result.release();
|
|
}
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Py_RETURN_NONE;
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|
}
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unsigned int
|
|
lldb_private::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;
|
|
}
|
|
|
|
void *
|
|
lldb_private::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;
|
|
}
|
|
|
|
// FIXME: SBStructuredData leaked here
|
|
lldb::SBStructuredData *args_value = new lldb::SBStructuredData(args_impl);
|
|
PythonObject args_arg(PyRefType::Owned, SBTypeToSWIGWrapper(*args_value));
|
|
|
|
PythonObject result = pfunc(ToSWIGWrapper(target_sp), 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;
|
|
}
|
|
|
|
bool
|
|
lldb_private::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();
|
|
}
|
|
|
|
size_t
|
|
lldb_private::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;
|
|
}
|
|
|
|
PyObject*
|
|
lldb_private::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();
|
|
}
|
|
|
|
int
|
|
lldb_private::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;
|
|
}
|
|
|
|
bool
|
|
lldb_private::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;
|
|
}
|
|
|
|
bool
|
|
lldb_private::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;
|
|
}
|
|
|
|
PyObject*
|
|
lldb_private::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;
|
|
}
|
|
|
|
void*
|
|
lldb_private::LLDBSWIGPython_CastPyObjectToSBData
|
|
(
|
|
PyObject* data
|
|
)
|
|
{
|
|
lldb::SBData* sb_ptr = nullptr;
|
|
|
|
int valid_cast = SWIG_ConvertPtr(data, (void**)&sb_ptr, SWIGTYPE_p_lldb__SBData, 0);
|
|
|
|
if (valid_cast == -1)
|
|
return NULL;
|
|
|
|
return sb_ptr;
|
|
}
|
|
|
|
|
|
void*
|
|
lldb_private::LLDBSWIGPython_CastPyObjectToSBError
|
|
(
|
|
PyObject* data
|
|
)
|
|
{
|
|
lldb::SBError* sb_ptr = nullptr;
|
|
|
|
int valid_cast = SWIG_ConvertPtr(data, (void**)&sb_ptr, SWIGTYPE_p_lldb__SBError, 0);
|
|
|
|
if (valid_cast == -1)
|
|
return NULL;
|
|
|
|
return sb_ptr;
|
|
}
|
|
|
|
|
|
void*
|
|
lldb_private::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;
|
|
}
|
|
|
|
void*
|
|
lldb_private::LLDBSWIGPython_CastPyObjectToSBMemoryRegionInfo
|
|
(
|
|
PyObject* data
|
|
)
|
|
{
|
|
lldb::SBMemoryRegionInfo* sb_ptr = NULL;
|
|
|
|
int valid_cast = SWIG_ConvertPtr(data, (void**)&sb_ptr, SWIGTYPE_p_lldb__SBMemoryRegionInfo, 0);
|
|
|
|
if (valid_cast == -1)
|
|
return NULL;
|
|
|
|
return sb_ptr;
|
|
}
|
|
|
|
bool
|
|
lldb_private::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;
|
|
|
|
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;
|
|
}
|
|
|
|
bool
|
|
lldb_private::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;
|
|
|
|
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;
|
|
}
|
|
|
|
void*
|
|
lldb_private::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;
|
|
|
|
auto result = pfunc(ToSWIGWrapper(process_sp));
|
|
|
|
if (result.IsAllocated())
|
|
return result.release();
|
|
|
|
Py_RETURN_NONE;
|
|
}
|
|
|
|
void*
|
|
lldb_private::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;
|
|
}
|
|
|
|
PyObject*
|
|
lldb_private::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;
|
|
}
|
|
|
|
void*
|
|
lldb_private::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;
|
|
|
|
auto result = pfunc(ToSWIGWrapper(target_sp), PythonString(setting));
|
|
|
|
return result.release();
|
|
}
|
|
|
|
bool lldb_private::LLDBSWIGPythonRunScriptKeywordProcess(
|
|
const char *python_function_name, const char *session_dictionary_name,
|
|
const 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;
|
|
|
|
auto result = pfunc(ToSWIGWrapper(process), dict);
|
|
|
|
output = result.Str().GetString().str();
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
lldb_private::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;
|
|
}
|
|
|
|
bool lldb_private::LLDBSWIGPythonRunScriptKeywordTarget(
|
|
const char *python_function_name, const char *session_dictionary_name,
|
|
const 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;
|
|
|
|
auto result = pfunc(ToSWIGWrapper(target), dict);
|
|
|
|
output = result.Str().GetString().str();
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
lldb_private::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;
|
|
}
|
|
|
|
bool lldb_private::LLDBSWIGPythonRunScriptKeywordValue(
|
|
const char *python_function_name, const char *session_dictionary_name,
|
|
const 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;
|
|
|
|
auto result = pfunc(ToSWIGWrapper(value), dict);
|
|
|
|
output = result.Str().GetString().str();
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
lldb_private::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;
|
|
}
|
|
|
|
lldb::ValueObjectSP
|
|
lldb_private::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;
|
|
}
|
|
|
|
// For the LogOutputCallback functions
|
|
static 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;
|
|
}
|
|
}
|
|
%}
|