diff options
Diffstat (limited to 'source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp')
| -rw-r--r-- | source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp | 177 |
1 files changed, 168 insertions, 9 deletions
diff --git a/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp b/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp index b8eb36a2baf6..41cb443d4f1e 100644 --- a/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp +++ b/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp @@ -27,6 +27,7 @@ #include <string> #include "lldb/API/SBValue.h" +#include "lldb/API/SBFrame.h" #include "lldb/Breakpoint/BreakpointLocation.h" #include "lldb/Breakpoint/StoppointCallbackContext.h" #include "lldb/Breakpoint/WatchpointOptions.h" @@ -91,6 +92,10 @@ static ScriptInterpreterPython::SWIGPythonCallModuleInit g_swig_call_module_init = nullptr; static ScriptInterpreterPython::SWIGPythonCreateOSPlugin g_swig_create_os_plugin = nullptr; +static ScriptInterpreterPython::SWIGPythonCreateFrameRecognizer + g_swig_create_frame_recognizer = nullptr; +static ScriptInterpreterPython::SWIGPythonGetRecognizedArguments + g_swig_get_recognized_arguments = nullptr; static ScriptInterpreterPython::SWIGPythonScriptKeyword_Process g_swig_run_script_keyword_process = nullptr; static ScriptInterpreterPython::SWIGPythonScriptKeyword_Thread @@ -107,6 +112,10 @@ static ScriptInterpreterPython::SWIGPythonCreateScriptedThreadPlan g_swig_thread_plan_script = nullptr; static ScriptInterpreterPython::SWIGPythonCallThreadPlan g_swig_call_thread_plan = nullptr; +static ScriptInterpreterPython::SWIGPythonCreateScriptedBreakpointResolver + g_swig_bkpt_resolver_script = nullptr; +static ScriptInterpreterPython::SWIGPythonCallBreakpointResolver + g_swig_call_bkpt_resolver = nullptr; static bool g_initialized = false; @@ -128,6 +137,9 @@ public: InitializePythonHome(); + // Register _lldb as a built-in module. + PyImport_AppendInittab("_lldb", g_swig_init_callback); + // Python < 3.2 and Python >= 3.2 reversed the ordering requirements for // calling `Py_Initialize` and `PyEval_InitThreads`. < 3.2 requires that you // call `PyEval_InitThreads` first, and >= 3.2 requires that you call it last. @@ -196,7 +208,7 @@ ScriptInterpreterPython::Locker::Locker(ScriptInterpreterPython *py_interpreter, m_python_interpreter(py_interpreter) { DoAcquireLock(); if ((on_entry & InitSession) == InitSession) { - if (DoInitSession(on_entry, in, out, err) == false) { + if (!DoInitSession(on_entry, in, out, err)) { // Don't teardown the session if we didn't init it. m_teardown_session = false; } @@ -817,11 +829,15 @@ bool ScriptInterpreterPython::ExecuteOneLine( error_file_sp); } else { input_file_sp.reset(new StreamFile()); - input_file_sp->GetFile().Open(FileSystem::DEV_NULL, - File::eOpenOptionRead); + FileSystem::Instance().Open(input_file_sp->GetFile(), + FileSpec(FileSystem::DEV_NULL), + File::eOpenOptionRead); + output_file_sp.reset(new StreamFile()); - output_file_sp->GetFile().Open(FileSystem::DEV_NULL, - File::eOpenOptionWrite); + FileSystem::Instance().Open(output_file_sp->GetFile(), + FileSpec(FileSystem::DEV_NULL), + File::eOpenOptionWrite); + error_file_sp = output_file_sp; } @@ -1491,6 +1507,62 @@ bool ScriptInterpreterPython::GenerateTypeSynthClass(StringList &user_input, return true; } +StructuredData::GenericSP ScriptInterpreterPython::CreateFrameRecognizer( + const char *class_name) { + if (class_name == nullptr || class_name[0] == '\0') + return StructuredData::GenericSP(); + + void *ret_val; + + { + Locker py_lock(this, Locker::AcquireLock | Locker::NoSTDIN, + Locker::FreeLock); + ret_val = + g_swig_create_frame_recognizer(class_name, m_dictionary_name.c_str()); + } + + return StructuredData::GenericSP(new StructuredPythonObject(ret_val)); +} + +lldb::ValueObjectListSP ScriptInterpreterPython::GetRecognizedArguments( + const StructuredData::ObjectSP &os_plugin_object_sp, + lldb::StackFrameSP frame_sp) { + Locker py_lock(this, Locker::AcquireLock | Locker::NoSTDIN, Locker::FreeLock); + + if (!os_plugin_object_sp) return ValueObjectListSP(); + + StructuredData::Generic *generic = os_plugin_object_sp->GetAsGeneric(); + if (!generic) return nullptr; + + PythonObject implementor(PyRefType::Borrowed, + (PyObject *)generic->GetValue()); + + if (!implementor.IsAllocated()) return ValueObjectListSP(); + + PythonObject py_return( + PyRefType::Owned, + (PyObject *)g_swig_get_recognized_arguments(implementor.get(), frame_sp)); + + // if it fails, print the error but otherwise go on + if (PyErr_Occurred()) { + PyErr_Print(); + PyErr_Clear(); + } + if (py_return.get()) { + PythonList result_list(PyRefType::Borrowed, py_return.get()); + ValueObjectListSP result = ValueObjectListSP(new ValueObjectList()); + for (size_t i = 0; i < result_list.GetSize(); i++) { + PyObject *item = result_list.GetItemAtIndex(i).get(); + lldb::SBValue *sb_value_ptr = + (lldb::SBValue *)g_swig_cast_to_sbvalue(item); + auto valobj_sp = g_swig_get_valobj_sp_from_sbvalue(sb_value_ptr); + if (valobj_sp) result->Append(valobj_sp); + } + return result; + } + return ValueObjectListSP(); +} + StructuredData::GenericSP ScriptInterpreterPython::OSPlugin_CreatePluginObject( const char *class_name, lldb::ProcessSP process_sp) { if (class_name == nullptr || class_name[0] == '\0') @@ -1868,10 +1940,88 @@ lldb::StateType ScriptInterpreterPython::ScriptedThreadPlanGetRunState( return lldb::eStateRunning; } +StructuredData::GenericSP +ScriptInterpreterPython::CreateScriptedBreakpointResolver( + const char *class_name, + StructuredDataImpl *args_data, + lldb::BreakpointSP &bkpt_sp) { + + if (class_name == nullptr || class_name[0] == '\0') + return StructuredData::GenericSP(); + + if (!bkpt_sp.get()) + return StructuredData::GenericSP(); + + Debugger &debugger = bkpt_sp->GetTarget().GetDebugger(); + ScriptInterpreter *script_interpreter = + debugger.GetCommandInterpreter().GetScriptInterpreter(); + ScriptInterpreterPython *python_interpreter = + static_cast<ScriptInterpreterPython *>(script_interpreter); + + if (!script_interpreter) + return StructuredData::GenericSP(); + + void *ret_val; + + { + Locker py_lock(this, + Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); + + ret_val = g_swig_bkpt_resolver_script( + class_name, python_interpreter->m_dictionary_name.c_str(), + args_data, bkpt_sp); + } + + return StructuredData::GenericSP(new StructuredPythonObject(ret_val)); +} + +bool +ScriptInterpreterPython::ScriptedBreakpointResolverSearchCallback( + StructuredData::GenericSP implementor_sp, + SymbolContext *sym_ctx) { + bool should_continue = false; + + if (implementor_sp) { + Locker py_lock(this, + Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); + should_continue + = g_swig_call_bkpt_resolver(implementor_sp->GetValue(), "__callback__", + sym_ctx); + if (PyErr_Occurred()) { + PyErr_Print(); + PyErr_Clear(); + } + } + return should_continue; +} + +lldb::SearchDepth +ScriptInterpreterPython::ScriptedBreakpointResolverSearchDepth( + StructuredData::GenericSP implementor_sp) { + int depth_as_int = lldb::eSearchDepthModule; + if (implementor_sp) { + Locker py_lock(this, + Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); + depth_as_int + = g_swig_call_bkpt_resolver(implementor_sp->GetValue(), "__get_depth__", nullptr); + if (PyErr_Occurred()) { + PyErr_Print(); + PyErr_Clear(); + } + } + if (depth_as_int == lldb::eSearchDepthInvalid) + return lldb::eSearchDepthModule; + + if (depth_as_int <= lldb::kLastSearchDepthKind) + return (lldb::SearchDepth) depth_as_int; + else + return lldb::eSearchDepthModule; +} + StructuredData::ObjectSP ScriptInterpreterPython::LoadPluginModule(const FileSpec &file_spec, lldb_private::Status &error) { - if (!file_spec.Exists()) { + if (!FileSystem::Instance().Exists(file_spec)) { error.SetErrorString("no such file"); return StructuredData::ObjectSP(); } @@ -2603,7 +2753,8 @@ bool ScriptInterpreterPython::LoadScriptingModule( lldb::DebuggerSP debugger_sp = m_interpreter.GetDebugger().shared_from_this(); { - FileSpec target_file(pathname, true); + FileSpec target_file(pathname); + FileSystem::Instance().Resolve(target_file); std::string basename(target_file.GetFilename().GetCString()); StreamString command_stream; @@ -2687,7 +2838,7 @@ bool ScriptInterpreterPython::LoadScriptingModule( bool was_imported = (was_imported_globally || was_imported_locally); - if (was_imported == true && can_reload == false) { + if (was_imported && !can_reload) { error.SetErrorString("module already imported"); return false; } @@ -3100,6 +3251,8 @@ void ScriptInterpreterPython::InitializeInterpreter( SWIGPythonCallCommandObject swig_call_command_object, SWIGPythonCallModuleInit swig_call_module_init, SWIGPythonCreateOSPlugin swig_create_os_plugin, + SWIGPythonCreateFrameRecognizer swig_create_frame_recognizer, + SWIGPythonGetRecognizedArguments swig_get_recognized_arguments, SWIGPythonScriptKeyword_Process swig_run_script_keyword_process, SWIGPythonScriptKeyword_Thread swig_run_script_keyword_thread, SWIGPythonScriptKeyword_Target swig_run_script_keyword_target, @@ -3107,7 +3260,9 @@ void ScriptInterpreterPython::InitializeInterpreter( SWIGPythonScriptKeyword_Value swig_run_script_keyword_value, SWIGPython_GetDynamicSetting swig_plugin_get, SWIGPythonCreateScriptedThreadPlan swig_thread_plan_script, - SWIGPythonCallThreadPlan swig_call_thread_plan) { + SWIGPythonCallThreadPlan swig_call_thread_plan, + SWIGPythonCreateScriptedBreakpointResolver swig_bkpt_resolver_script, + SWIGPythonCallBreakpointResolver swig_call_bkpt_resolver) { g_swig_init_callback = swig_init_callback; g_swig_breakpoint_callback = swig_breakpoint_callback; g_swig_watchpoint_callback = swig_watchpoint_callback; @@ -3126,6 +3281,8 @@ void ScriptInterpreterPython::InitializeInterpreter( g_swig_call_command_object = swig_call_command_object; g_swig_call_module_init = swig_call_module_init; g_swig_create_os_plugin = swig_create_os_plugin; + g_swig_create_frame_recognizer = swig_create_frame_recognizer; + g_swig_get_recognized_arguments = swig_get_recognized_arguments; g_swig_run_script_keyword_process = swig_run_script_keyword_process; g_swig_run_script_keyword_thread = swig_run_script_keyword_thread; g_swig_run_script_keyword_target = swig_run_script_keyword_target; @@ -3134,6 +3291,8 @@ void ScriptInterpreterPython::InitializeInterpreter( g_swig_plugin_get = swig_plugin_get; g_swig_thread_plan_script = swig_thread_plan_script; g_swig_call_thread_plan = swig_call_thread_plan; + g_swig_bkpt_resolver_script = swig_bkpt_resolver_script; + g_swig_call_bkpt_resolver = swig_call_bkpt_resolver; } void ScriptInterpreterPython::InitializePrivate() { |