diff options
Diffstat (limited to 'contrib/llvm/tools/lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp')
| -rw-r--r-- | contrib/llvm/tools/lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp | 5613 |
1 files changed, 2781 insertions, 2832 deletions
diff --git a/contrib/llvm/tools/lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp b/contrib/llvm/tools/lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp index 7881673..357b48e 100644 --- a/contrib/llvm/tools/lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp +++ b/contrib/llvm/tools/lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp @@ -13,13 +13,15 @@ #else +// LLDB Python header must be included first #include "lldb-python.h" -#include "ScriptInterpreterPython.h" + #include "PythonDataObjects.h" #include "PythonExceptionState.h" +#include "ScriptInterpreterPython.h" -#include <stdlib.h> #include <stdio.h> +#include <stdlib.h> #include <mutex> #include <string> @@ -47,1574 +49,1548 @@ #include "lldb/Host/windows/ConnectionGenericFileWindows.h" #endif -#include "llvm/ADT/StringRef.h" #include "llvm/ADT/STLExtras.h" +#include "llvm/ADT/StringRef.h" using namespace lldb; using namespace lldb_private; static ScriptInterpreterPython::SWIGInitCallback g_swig_init_callback = nullptr; -static ScriptInterpreterPython::SWIGBreakpointCallbackFunction g_swig_breakpoint_callback = nullptr; -static ScriptInterpreterPython::SWIGWatchpointCallbackFunction g_swig_watchpoint_callback = nullptr; -static ScriptInterpreterPython::SWIGPythonTypeScriptCallbackFunction g_swig_typescript_callback = nullptr; -static ScriptInterpreterPython::SWIGPythonCreateSyntheticProvider g_swig_synthetic_script = nullptr; -static ScriptInterpreterPython::SWIGPythonCreateCommandObject g_swig_create_cmd = nullptr; -static ScriptInterpreterPython::SWIGPythonCalculateNumChildren g_swig_calc_children = nullptr; -static ScriptInterpreterPython::SWIGPythonGetChildAtIndex g_swig_get_child_index = nullptr; -static ScriptInterpreterPython::SWIGPythonGetIndexOfChildWithName g_swig_get_index_child = nullptr; -static ScriptInterpreterPython::SWIGPythonCastPyObjectToSBValue g_swig_cast_to_sbvalue = nullptr; -static ScriptInterpreterPython::SWIGPythonGetValueObjectSPFromSBValue g_swig_get_valobj_sp_from_sbvalue = nullptr; -static ScriptInterpreterPython::SWIGPythonUpdateSynthProviderInstance g_swig_update_provider = nullptr; -static ScriptInterpreterPython::SWIGPythonMightHaveChildrenSynthProviderInstance g_swig_mighthavechildren_provider = nullptr; -static ScriptInterpreterPython::SWIGPythonGetValueSynthProviderInstance g_swig_getvalue_provider = nullptr; -static ScriptInterpreterPython::SWIGPythonCallCommand g_swig_call_command = nullptr; -static ScriptInterpreterPython::SWIGPythonCallCommandObject g_swig_call_command_object = nullptr; -static ScriptInterpreterPython::SWIGPythonCallModuleInit g_swig_call_module_init = nullptr; -static ScriptInterpreterPython::SWIGPythonCreateOSPlugin g_swig_create_os_plugin = nullptr; -static ScriptInterpreterPython::SWIGPythonScriptKeyword_Process g_swig_run_script_keyword_process = nullptr; -static ScriptInterpreterPython::SWIGPythonScriptKeyword_Thread g_swig_run_script_keyword_thread = nullptr; -static ScriptInterpreterPython::SWIGPythonScriptKeyword_Target g_swig_run_script_keyword_target = nullptr; -static ScriptInterpreterPython::SWIGPythonScriptKeyword_Frame g_swig_run_script_keyword_frame = nullptr; -static ScriptInterpreterPython::SWIGPythonScriptKeyword_Value g_swig_run_script_keyword_value = nullptr; -static ScriptInterpreterPython::SWIGPython_GetDynamicSetting g_swig_plugin_get = nullptr; -static ScriptInterpreterPython::SWIGPythonCreateScriptedThreadPlan g_swig_thread_plan_script = nullptr; -static ScriptInterpreterPython::SWIGPythonCallThreadPlan g_swig_call_thread_plan = nullptr; +static ScriptInterpreterPython::SWIGBreakpointCallbackFunction + g_swig_breakpoint_callback = nullptr; +static ScriptInterpreterPython::SWIGWatchpointCallbackFunction + g_swig_watchpoint_callback = nullptr; +static ScriptInterpreterPython::SWIGPythonTypeScriptCallbackFunction + g_swig_typescript_callback = nullptr; +static ScriptInterpreterPython::SWIGPythonCreateSyntheticProvider + g_swig_synthetic_script = nullptr; +static ScriptInterpreterPython::SWIGPythonCreateCommandObject + g_swig_create_cmd = nullptr; +static ScriptInterpreterPython::SWIGPythonCalculateNumChildren + g_swig_calc_children = nullptr; +static ScriptInterpreterPython::SWIGPythonGetChildAtIndex + g_swig_get_child_index = nullptr; +static ScriptInterpreterPython::SWIGPythonGetIndexOfChildWithName + g_swig_get_index_child = nullptr; +static ScriptInterpreterPython::SWIGPythonCastPyObjectToSBValue + g_swig_cast_to_sbvalue = nullptr; +static ScriptInterpreterPython::SWIGPythonGetValueObjectSPFromSBValue + g_swig_get_valobj_sp_from_sbvalue = nullptr; +static ScriptInterpreterPython::SWIGPythonUpdateSynthProviderInstance + g_swig_update_provider = nullptr; +static ScriptInterpreterPython::SWIGPythonMightHaveChildrenSynthProviderInstance + g_swig_mighthavechildren_provider = nullptr; +static ScriptInterpreterPython::SWIGPythonGetValueSynthProviderInstance + g_swig_getvalue_provider = nullptr; +static ScriptInterpreterPython::SWIGPythonCallCommand g_swig_call_command = + nullptr; +static ScriptInterpreterPython::SWIGPythonCallCommandObject + g_swig_call_command_object = nullptr; +static ScriptInterpreterPython::SWIGPythonCallModuleInit + g_swig_call_module_init = nullptr; +static ScriptInterpreterPython::SWIGPythonCreateOSPlugin + g_swig_create_os_plugin = nullptr; +static ScriptInterpreterPython::SWIGPythonScriptKeyword_Process + g_swig_run_script_keyword_process = nullptr; +static ScriptInterpreterPython::SWIGPythonScriptKeyword_Thread + g_swig_run_script_keyword_thread = nullptr; +static ScriptInterpreterPython::SWIGPythonScriptKeyword_Target + g_swig_run_script_keyword_target = nullptr; +static ScriptInterpreterPython::SWIGPythonScriptKeyword_Frame + g_swig_run_script_keyword_frame = nullptr; +static ScriptInterpreterPython::SWIGPythonScriptKeyword_Value + g_swig_run_script_keyword_value = nullptr; +static ScriptInterpreterPython::SWIGPython_GetDynamicSetting g_swig_plugin_get = + nullptr; +static ScriptInterpreterPython::SWIGPythonCreateScriptedThreadPlan + g_swig_thread_plan_script = nullptr; +static ScriptInterpreterPython::SWIGPythonCallThreadPlan + g_swig_call_thread_plan = nullptr; static bool g_initialized = false; -namespace -{ +namespace { // Initializing Python is not a straightforward process. We cannot control what // external code may have done before getting to this point in LLDB, including // potentially having already initialized Python, so we need to do a lot of work // to ensure that the existing state of the system is maintained across our -// initialization. We do this by using an RAII pattern where we save off initial -// state at the beginning, and restore it at the end -struct InitializePythonRAII -{ +// initialization. We do this by using an RAII pattern where we save off +// initial +// state at the beginning, and restore it at the end +struct InitializePythonRAII { public: - InitializePythonRAII() : - m_gil_state(PyGILState_UNLOCKED), - m_was_already_initialized(false) - { - // Python will muck with STDIN terminal state, so save off any current TTY - // settings so we can restore them. - m_stdin_tty_state.Save(STDIN_FILENO, false); + InitializePythonRAII() + : m_gil_state(PyGILState_UNLOCKED), m_was_already_initialized(false) { + // Python will muck with STDIN terminal state, so save off any current TTY + // settings so we can restore them. + m_stdin_tty_state.Save(STDIN_FILENO, false); - InitializePythonHome(); + InitializePythonHome(); - // 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. +// 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. #if (PY_MAJOR_VERSION == 3 && PY_MINOR_VERSION >= 2) || (PY_MAJOR_VERSION > 3) - Py_InitializeEx(0); - InitializeThreadsPrivate(); + Py_InitializeEx(0); + InitializeThreadsPrivate(); #else - InitializeThreadsPrivate(); - Py_InitializeEx(0); + InitializeThreadsPrivate(); + Py_InitializeEx(0); #endif - } + } - ~InitializePythonRAII() - { - if (m_was_already_initialized) - { - Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_SCRIPT | LIBLLDB_LOG_VERBOSE)); + ~InitializePythonRAII() { + if (m_was_already_initialized) { + Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_SCRIPT | + LIBLLDB_LOG_VERBOSE)); - if (log) - { - log->Printf("Releasing PyGILState. Returning to state = %slocked\n", - m_was_already_initialized == PyGILState_UNLOCKED ? "un" : ""); - } - PyGILState_Release(m_gil_state); - } - else - { - // We initialized the threads in this function, just unlock the GIL. - PyEval_SaveThread(); - } - - m_stdin_tty_state.Restore(); + if (log) { + log->Printf("Releasing PyGILState. Returning to state = %slocked\n", + m_was_already_initialized == PyGILState_UNLOCKED ? "un" + : ""); + } + PyGILState_Release(m_gil_state); + } else { + // We initialized the threads in this function, just unlock the GIL. + PyEval_SaveThread(); } + m_stdin_tty_state.Restore(); + } + private: - void InitializePythonHome() - { + void InitializePythonHome() { #if defined(LLDB_PYTHON_HOME) #if PY_MAJOR_VERSION >= 3 - size_t size = 0; - static wchar_t *g_python_home = Py_DecodeLocale(LLDB_PYTHON_HOME, &size); + size_t size = 0; + static wchar_t *g_python_home = Py_DecodeLocale(LLDB_PYTHON_HOME, &size); #else - static char g_python_home[] = LLDB_PYTHON_HOME; + static char g_python_home[] = LLDB_PYTHON_HOME; #endif - Py_SetPythonHome(g_python_home); + Py_SetPythonHome(g_python_home); #endif - } + } - void InitializeThreadsPrivate() - { - if (PyEval_ThreadsInitialized()) - { - Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_SCRIPT | LIBLLDB_LOG_VERBOSE)); + void InitializeThreadsPrivate() { + if (PyEval_ThreadsInitialized()) { + Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_SCRIPT | + LIBLLDB_LOG_VERBOSE)); - m_was_already_initialized = true; - m_gil_state = PyGILState_Ensure(); - if (log) - { - log->Printf("Ensured PyGILState. Previous state = %slocked\n", + m_was_already_initialized = true; + m_gil_state = PyGILState_Ensure(); + if (log) { + log->Printf("Ensured PyGILState. Previous state = %slocked\n", m_gil_state == PyGILState_UNLOCKED ? "un" : ""); - } - return; - } - - // InitThreads acquires the GIL if it hasn't been called before. - PyEval_InitThreads(); + } + return; } - TerminalState m_stdin_tty_state; - PyGILState_STATE m_gil_state; - bool m_was_already_initialized; -}; + // InitThreads acquires the GIL if it hasn't been called before. + PyEval_InitThreads(); + } + TerminalState m_stdin_tty_state; + PyGILState_STATE m_gil_state; + bool m_was_already_initialized; +}; } -ScriptInterpreterPython::Locker::Locker (ScriptInterpreterPython *py_interpreter, - uint16_t on_entry, - uint16_t on_leave, - FILE *in, - FILE *out, - FILE *err) : - ScriptInterpreterLocker (), - m_teardown_session( (on_leave & TearDownSession) == TearDownSession ), - m_python_interpreter(py_interpreter) -{ - DoAcquireLock(); - if ((on_entry & InitSession) == InitSession) - { - if (DoInitSession(on_entry, in, out, err) == false) - { - // Don't teardown the session if we didn't init it. - m_teardown_session = false; - } - } +ScriptInterpreterPython::Locker::Locker(ScriptInterpreterPython *py_interpreter, + uint16_t on_entry, uint16_t on_leave, + FILE *in, FILE *out, FILE *err) + : ScriptInterpreterLocker(), + m_teardown_session((on_leave & TearDownSession) == TearDownSession), + m_python_interpreter(py_interpreter) { + DoAcquireLock(); + if ((on_entry & InitSession) == InitSession) { + if (DoInitSession(on_entry, in, out, err) == false) { + // Don't teardown the session if we didn't init it. + m_teardown_session = false; + } + } +} + +bool ScriptInterpreterPython::Locker::DoAcquireLock() { + Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_SCRIPT | + LIBLLDB_LOG_VERBOSE)); + m_GILState = PyGILState_Ensure(); + if (log) + log->Printf("Ensured PyGILState. Previous state = %slocked\n", + m_GILState == PyGILState_UNLOCKED ? "un" : ""); + + // we need to save the thread state when we first start the command + // because we might decide to interrupt it while some action is taking + // place outside of Python (e.g. printing to screen, waiting for the network, + // ...) + // in that case, _PyThreadState_Current will be NULL - and we would be unable + // to set the asynchronous exception - not a desirable situation + m_python_interpreter->SetThreadState(PyThreadState_Get()); + m_python_interpreter->IncrementLockCount(); + return true; +} + +bool ScriptInterpreterPython::Locker::DoInitSession(uint16_t on_entry_flags, + FILE *in, FILE *out, + FILE *err) { + if (!m_python_interpreter) + return false; + return m_python_interpreter->EnterSession(on_entry_flags, in, out, err); } -bool -ScriptInterpreterPython::Locker::DoAcquireLock() -{ - Log *log (lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_SCRIPT | LIBLLDB_LOG_VERBOSE)); - m_GILState = PyGILState_Ensure(); - if (log) - log->Printf("Ensured PyGILState. Previous state = %slocked\n", m_GILState == PyGILState_UNLOCKED ? "un" : ""); - - // we need to save the thread state when we first start the command - // because we might decide to interrupt it while some action is taking - // place outside of Python (e.g. printing to screen, waiting for the network, ...) - // in that case, _PyThreadState_Current will be NULL - and we would be unable - // to set the asynchronous exception - not a desirable situation - m_python_interpreter->SetThreadState(PyThreadState_Get()); - m_python_interpreter->IncrementLockCount(); - return true; +bool ScriptInterpreterPython::Locker::DoFreeLock() { + Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_SCRIPT | + LIBLLDB_LOG_VERBOSE)); + if (log) + log->Printf("Releasing PyGILState. Returning to state = %slocked\n", + m_GILState == PyGILState_UNLOCKED ? "un" : ""); + PyGILState_Release(m_GILState); + m_python_interpreter->DecrementLockCount(); + return true; } -bool -ScriptInterpreterPython::Locker::DoInitSession(uint16_t on_entry_flags, FILE *in, FILE *out, FILE *err) -{ - if (!m_python_interpreter) - return false; - return m_python_interpreter->EnterSession (on_entry_flags, in, out, err); -} +bool ScriptInterpreterPython::Locker::DoTearDownSession() { + if (!m_python_interpreter) + return false; + m_python_interpreter->LeaveSession(); + return true; +} + +ScriptInterpreterPython::Locker::~Locker() { + if (m_teardown_session) + DoTearDownSession(); + DoFreeLock(); +} + +ScriptInterpreterPython::ScriptInterpreterPython( + CommandInterpreter &interpreter) + : ScriptInterpreter(interpreter, eScriptLanguagePython), + IOHandlerDelegateMultiline("DONE"), m_saved_stdin(), m_saved_stdout(), + m_saved_stderr(), m_main_module(), m_lldb_module(), + m_session_dict(PyInitialValue::Invalid), + m_sys_module_dict(PyInitialValue::Invalid), m_run_one_line_function(), + m_run_one_line_str_global(), + m_dictionary_name( + interpreter.GetDebugger().GetInstanceName().AsCString()), + m_terminal_state(), m_active_io_handler(eIOHandlerNone), + m_session_is_active(false), m_pty_slave_is_open(false), + m_valid_session(true), m_lock_count(0), m_command_thread_state(nullptr) { + InitializePrivate(); + + m_dictionary_name.append("_dict"); + StreamString run_string; + run_string.Printf("%s = dict()", m_dictionary_name.c_str()); + + Locker locker(this, ScriptInterpreterPython::Locker::AcquireLock, + ScriptInterpreterPython::Locker::FreeAcquiredLock); + PyRun_SimpleString(run_string.GetData()); + + run_string.Clear(); + run_string.Printf( + "run_one_line (%s, 'import copy, keyword, os, re, sys, uuid, lldb')", + m_dictionary_name.c_str()); + PyRun_SimpleString(run_string.GetData()); + + // Reloading modules requires a different syntax in Python 2 and Python 3. + // This provides + // a consistent syntax no matter what version of Python. + run_string.Clear(); + run_string.Printf("run_one_line (%s, 'from six.moves import reload_module')", + m_dictionary_name.c_str()); + PyRun_SimpleString(run_string.GetData()); + + // WARNING: temporary code that loads Cocoa formatters - this should be done + // on a per-platform basis rather than loading the whole set + // and letting the individual formatter classes exploit APIs to check whether + // they can/cannot do their task + run_string.Clear(); + run_string.Printf( + "run_one_line (%s, 'import lldb.formatters, lldb.formatters.cpp, pydoc')", + m_dictionary_name.c_str()); + PyRun_SimpleString(run_string.GetData()); + run_string.Clear(); + + run_string.Printf("run_one_line (%s, 'import lldb.embedded_interpreter; from " + "lldb.embedded_interpreter import run_python_interpreter; " + "from lldb.embedded_interpreter import run_one_line')", + m_dictionary_name.c_str()); + PyRun_SimpleString(run_string.GetData()); + run_string.Clear(); + + run_string.Printf("run_one_line (%s, 'lldb.debugger_unique_id = %" PRIu64 + "; pydoc.pager = pydoc.plainpager')", + m_dictionary_name.c_str(), + interpreter.GetDebugger().GetID()); + PyRun_SimpleString(run_string.GetData()); +} + +ScriptInterpreterPython::~ScriptInterpreterPython() { + // the session dictionary may hold objects with complex state + // which means that they may need to be torn down with some level of smarts + // and that, in turn, requires a valid thread state + // force Python to procure itself such a thread state, nuke the session + // dictionary + // and then release it for others to use and proceed with the rest of the + // shutdown + auto gil_state = PyGILState_Ensure(); + m_session_dict.Reset(); + PyGILState_Release(gil_state); +} + +void ScriptInterpreterPython::Initialize() { + static std::once_flag g_once_flag; + + std::call_once(g_once_flag, []() { + PluginManager::RegisterPlugin(GetPluginNameStatic(), + GetPluginDescriptionStatic(), + lldb::eScriptLanguagePython, CreateInstance); + }); +} + +void ScriptInterpreterPython::Terminate() {} -bool -ScriptInterpreterPython::Locker::DoFreeLock() -{ - Log *log (lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_SCRIPT | LIBLLDB_LOG_VERBOSE)); - if (log) - log->Printf("Releasing PyGILState. Returning to state = %slocked\n", m_GILState == PyGILState_UNLOCKED ? "un" : ""); - PyGILState_Release(m_GILState); - m_python_interpreter->DecrementLockCount(); - return true; +lldb::ScriptInterpreterSP +ScriptInterpreterPython::CreateInstance(CommandInterpreter &interpreter) { + return std::make_shared<ScriptInterpreterPython>(interpreter); } -bool -ScriptInterpreterPython::Locker::DoTearDownSession() -{ - if (!m_python_interpreter) - return false; - m_python_interpreter->LeaveSession (); - return true; +lldb_private::ConstString ScriptInterpreterPython::GetPluginNameStatic() { + static ConstString g_name("script-python"); + return g_name; } -ScriptInterpreterPython::Locker::~Locker() -{ - if (m_teardown_session) - DoTearDownSession(); - DoFreeLock(); -} - -ScriptInterpreterPython::ScriptInterpreterPython(CommandInterpreter &interpreter) : - ScriptInterpreter(interpreter, eScriptLanguagePython), - IOHandlerDelegateMultiline("DONE"), - m_saved_stdin(), - m_saved_stdout(), - m_saved_stderr(), - m_main_module(), - m_lldb_module(), - m_session_dict(PyInitialValue::Invalid), - m_sys_module_dict(PyInitialValue::Invalid), - m_run_one_line_function(), - m_run_one_line_str_global(), - m_dictionary_name(interpreter.GetDebugger().GetInstanceName().AsCString()), - m_terminal_state(), - m_active_io_handler(eIOHandlerNone), - m_session_is_active(false), - m_pty_slave_is_open(false), - m_valid_session(true), - m_lock_count(0), - m_command_thread_state(nullptr) -{ - InitializePrivate(); - - m_dictionary_name.append("_dict"); - StreamString run_string; - run_string.Printf ("%s = dict()", m_dictionary_name.c_str()); - - Locker locker(this, - ScriptInterpreterPython::Locker::AcquireLock, - ScriptInterpreterPython::Locker::FreeAcquiredLock); - PyRun_SimpleString (run_string.GetData()); - - run_string.Clear(); - run_string.Printf ("run_one_line (%s, 'import copy, keyword, os, re, sys, uuid, lldb')", m_dictionary_name.c_str()); - PyRun_SimpleString (run_string.GetData()); - - // Reloading modules requires a different syntax in Python 2 and Python 3. This provides - // a consistent syntax no matter what version of Python. - run_string.Clear(); - run_string.Printf("run_one_line (%s, 'from six.moves import reload_module')", m_dictionary_name.c_str()); - PyRun_SimpleString(run_string.GetData()); - - // WARNING: temporary code that loads Cocoa formatters - this should be done on a per-platform basis rather than loading the whole set - // and letting the individual formatter classes exploit APIs to check whether they can/cannot do their task - run_string.Clear(); - run_string.Printf ("run_one_line (%s, 'import lldb.formatters, lldb.formatters.cpp, pydoc')", m_dictionary_name.c_str()); - PyRun_SimpleString (run_string.GetData()); - run_string.Clear(); - - run_string.Printf ("run_one_line (%s, 'import lldb.embedded_interpreter; from lldb.embedded_interpreter import run_python_interpreter; from lldb.embedded_interpreter import run_one_line')", m_dictionary_name.c_str()); - PyRun_SimpleString (run_string.GetData()); - run_string.Clear(); - - run_string.Printf ("run_one_line (%s, 'lldb.debugger_unique_id = %" PRIu64 "; pydoc.pager = pydoc.plainpager')", m_dictionary_name.c_str(), - interpreter.GetDebugger().GetID()); - PyRun_SimpleString (run_string.GetData()); -} - -ScriptInterpreterPython::~ScriptInterpreterPython () -{ - // the session dictionary may hold objects with complex state - // which means that they may need to be torn down with some level of smarts - // and that, in turn, requires a valid thread state - // force Python to procure itself such a thread state, nuke the session dictionary - // and then release it for others to use and proceed with the rest of the shutdown - auto gil_state = PyGILState_Ensure(); - m_session_dict.Reset(); - PyGILState_Release(gil_state); -} - -void -ScriptInterpreterPython::Initialize() -{ - static std::once_flag g_once_flag; - - std::call_once(g_once_flag, []() - { - PluginManager::RegisterPlugin(GetPluginNameStatic(), - GetPluginDescriptionStatic(), - lldb::eScriptLanguagePython, - CreateInstance); - }); +const char *ScriptInterpreterPython::GetPluginDescriptionStatic() { + return "Embedded Python interpreter"; } - -void -ScriptInterpreterPython::Terminate() -{ +lldb_private::ConstString ScriptInterpreterPython::GetPluginName() { + return GetPluginNameStatic(); } - -lldb::ScriptInterpreterSP -ScriptInterpreterPython::CreateInstance(CommandInterpreter &interpreter) -{ - return std::make_shared<ScriptInterpreterPython>(interpreter); -} - -lldb_private::ConstString -ScriptInterpreterPython::GetPluginNameStatic() -{ - static ConstString g_name("script-python"); - return g_name; -} - -const char * -ScriptInterpreterPython::GetPluginDescriptionStatic() -{ - return "Embedded Python interpreter"; -} - -lldb_private::ConstString -ScriptInterpreterPython::GetPluginName() -{ - return GetPluginNameStatic(); -} - -uint32_t -ScriptInterpreterPython::GetPluginVersion() -{ - return 1; -} - -void -ScriptInterpreterPython::IOHandlerActivated (IOHandler &io_handler) -{ - const char *instructions = nullptr; - - switch (m_active_io_handler) - { - case eIOHandlerNone: - break; - case eIOHandlerBreakpoint: - instructions = R"(Enter your Python command(s). Type 'DONE' to end. + +uint32_t ScriptInterpreterPython::GetPluginVersion() { return 1; } + +void ScriptInterpreterPython::IOHandlerActivated(IOHandler &io_handler) { + const char *instructions = nullptr; + + switch (m_active_io_handler) { + case eIOHandlerNone: + break; + case eIOHandlerBreakpoint: + instructions = R"(Enter your Python command(s). Type 'DONE' to end. def function (frame, bp_loc, internal_dict): """frame: the lldb.SBFrame for the location at which you stopped bp_loc: an lldb.SBBreakpointLocation for the breakpoint location information internal_dict: an LLDB support object not to be used""" )"; - break; - case eIOHandlerWatchpoint: - instructions = "Enter your Python command(s). Type 'DONE' to end.\n"; - break; - } - - if (instructions) - { - StreamFileSP output_sp(io_handler.GetOutputStreamFile()); - if (output_sp) - { - output_sp->PutCString(instructions); - output_sp->Flush(); - } - } -} - -void -ScriptInterpreterPython::IOHandlerInputComplete (IOHandler &io_handler, std::string &data) -{ - io_handler.SetIsDone(true); - bool batch_mode = m_interpreter.GetBatchCommandMode(); - - switch (m_active_io_handler) - { - case eIOHandlerNone: - break; - case eIOHandlerBreakpoint: - { - std::vector<BreakpointOptions *> *bp_options_vec = (std::vector<BreakpointOptions *> *)io_handler.GetUserData(); - for (auto bp_options : *bp_options_vec) - { - if (!bp_options) - continue; - - std::unique_ptr<BreakpointOptions::CommandData> data_ap(new BreakpointOptions::CommandData()); - if (data_ap.get()) - { - data_ap->user_source.SplitIntoLines(data); - - if (GenerateBreakpointCommandCallbackData (data_ap->user_source, data_ap->script_source).Success()) - { - BatonSP baton_sp (new BreakpointOptions::CommandBaton (data_ap.release())); - bp_options->SetCallback (ScriptInterpreterPython::BreakpointCallbackFunction, baton_sp); - } - else if (!batch_mode) - { - StreamFileSP error_sp = io_handler.GetErrorStreamFile(); - if (error_sp) - { - error_sp->Printf ("Warning: No command attached to breakpoint.\n"); - error_sp->Flush(); - } - } - } - } - m_active_io_handler = eIOHandlerNone; - } + break; + case eIOHandlerWatchpoint: + instructions = "Enter your Python command(s). Type 'DONE' to end.\n"; + break; + } + + if (instructions) { + StreamFileSP output_sp(io_handler.GetOutputStreamFile()); + if (output_sp) { + output_sp->PutCString(instructions); + output_sp->Flush(); + } + } +} + +void ScriptInterpreterPython::IOHandlerInputComplete(IOHandler &io_handler, + std::string &data) { + io_handler.SetIsDone(true); + bool batch_mode = m_interpreter.GetBatchCommandMode(); + + switch (m_active_io_handler) { + case eIOHandlerNone: + break; + case eIOHandlerBreakpoint: { + std::vector<BreakpointOptions *> *bp_options_vec = + (std::vector<BreakpointOptions *> *)io_handler.GetUserData(); + for (auto bp_options : *bp_options_vec) { + if (!bp_options) + continue; + + auto data_ap = llvm::make_unique<CommandDataPython>(); + if (!data_ap) break; - case eIOHandlerWatchpoint: - { - WatchpointOptions *wp_options = (WatchpointOptions *)io_handler.GetUserData(); - std::unique_ptr<WatchpointOptions::CommandData> data_ap(new WatchpointOptions::CommandData()); - if (data_ap.get()) - { - data_ap->user_source.SplitIntoLines(data); - - if (GenerateWatchpointCommandCallbackData (data_ap->user_source, data_ap->script_source)) - { - BatonSP baton_sp (new WatchpointOptions::CommandBaton (data_ap.release())); - wp_options->SetCallback (ScriptInterpreterPython::WatchpointCallbackFunction, baton_sp); - } - else if (!batch_mode) - { - StreamFileSP error_sp = io_handler.GetErrorStreamFile(); - if (error_sp) - { - error_sp->Printf ("Warning: No command attached to breakpoint.\n"); - error_sp->Flush(); - } - } - } - m_active_io_handler = eIOHandlerNone; + data_ap->user_source.SplitIntoLines(data); + + if (GenerateBreakpointCommandCallbackData(data_ap->user_source, + data_ap->script_source) + .Success()) { + auto baton_sp = std::make_shared<BreakpointOptions::CommandBaton>( + std::move(data_ap)); + bp_options->SetCallback( + ScriptInterpreterPython::BreakpointCallbackFunction, baton_sp); + } else if (!batch_mode) { + StreamFileSP error_sp = io_handler.GetErrorStreamFile(); + if (error_sp) { + error_sp->Printf("Warning: No command attached to breakpoint.\n"); + error_sp->Flush(); } - break; - } -} - - -void -ScriptInterpreterPython::ResetOutputFileHandle (FILE *fh) -{ -} - -void -ScriptInterpreterPython::SaveTerminalState (int fd) -{ - // Python mucks with the terminal state of STDIN. If we can possibly avoid - // this by setting the file handles up correctly prior to entering the - // interpreter we should. For now we save and restore the terminal state - // on the input file handle. - m_terminal_state.Save (fd, false); -} - -void -ScriptInterpreterPython::RestoreTerminalState () -{ - // Python mucks with the terminal state of STDIN. If we can possibly avoid - // this by setting the file handles up correctly prior to entering the - // interpreter we should. For now we save and restore the terminal state - // on the input file handle. - m_terminal_state.Restore(); -} - -void -ScriptInterpreterPython::LeaveSession () -{ - Log *log (lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_SCRIPT)); + } + } + m_active_io_handler = eIOHandlerNone; + } break; + case eIOHandlerWatchpoint: { + WatchpointOptions *wp_options = + (WatchpointOptions *)io_handler.GetUserData(); + auto data_ap = llvm::make_unique<WatchpointOptions::CommandData>(); + data_ap->user_source.SplitIntoLines(data); + + if (GenerateWatchpointCommandCallbackData(data_ap->user_source, + data_ap->script_source)) { + auto baton_sp = + std::make_shared<WatchpointOptions::CommandBaton>(std::move(data_ap)); + wp_options->SetCallback( + ScriptInterpreterPython::WatchpointCallbackFunction, baton_sp); + } else if (!batch_mode) { + StreamFileSP error_sp = io_handler.GetErrorStreamFile(); + if (error_sp) { + error_sp->Printf("Warning: No command attached to breakpoint.\n"); + error_sp->Flush(); + } + } + m_active_io_handler = eIOHandlerNone; + } break; + } +} + +void ScriptInterpreterPython::ResetOutputFileHandle(FILE *fh) {} + +void ScriptInterpreterPython::SaveTerminalState(int fd) { + // Python mucks with the terminal state of STDIN. If we can possibly avoid + // this by setting the file handles up correctly prior to entering the + // interpreter we should. For now we save and restore the terminal state + // on the input file handle. + m_terminal_state.Save(fd, false); +} + +void ScriptInterpreterPython::RestoreTerminalState() { + // Python mucks with the terminal state of STDIN. If we can possibly avoid + // this by setting the file handles up correctly prior to entering the + // interpreter we should. For now we save and restore the terminal state + // on the input file handle. + m_terminal_state.Restore(); +} + +void ScriptInterpreterPython::LeaveSession() { + Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_SCRIPT)); + if (log) + log->PutCString("ScriptInterpreterPython::LeaveSession()"); + + // checking that we have a valid thread state - since we use our own threading + // and locking + // in some (rare) cases during cleanup Python may end up believing we have no + // thread state + // and PyImport_AddModule will crash if that is the case - since that seems to + // only happen + // when destroying the SBDebugger, we can make do without clearing up stdout + // and stderr + + // rdar://problem/11292882 + // When the current thread state is NULL, PyThreadState_Get() issues a fatal + // error. + if (PyThreadState_GetDict()) { + PythonDictionary &sys_module_dict = GetSysModuleDictionary(); + if (sys_module_dict.IsValid()) { + if (m_saved_stdin.IsValid()) { + sys_module_dict.SetItemForKey(PythonString("stdin"), m_saved_stdin); + m_saved_stdin.Reset(); + } + if (m_saved_stdout.IsValid()) { + sys_module_dict.SetItemForKey(PythonString("stdout"), m_saved_stdout); + m_saved_stdout.Reset(); + } + if (m_saved_stderr.IsValid()) { + sys_module_dict.SetItemForKey(PythonString("stderr"), m_saved_stderr); + m_saved_stderr.Reset(); + } + } + } + + m_session_is_active = false; +} + +bool ScriptInterpreterPython::SetStdHandle(File &file, const char *py_name, + PythonFile &save_file, + const char *mode) { + if (file.IsValid()) { + // Flush the file before giving it to python to avoid interleaved output. + file.Flush(); + + PythonDictionary &sys_module_dict = GetSysModuleDictionary(); + + save_file = sys_module_dict.GetItemForKey(PythonString(py_name)) + .AsType<PythonFile>(); + + PythonFile new_file(file, mode); + sys_module_dict.SetItemForKey(PythonString(py_name), new_file); + return true; + } else + save_file.Reset(); + return false; +} + +bool ScriptInterpreterPython::EnterSession(uint16_t on_entry_flags, FILE *in, + FILE *out, FILE *err) { + // If we have already entered the session, without having officially 'left' + // it, then there is no need to + // 'enter' it again. + Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_SCRIPT)); + if (m_session_is_active) { if (log) - log->PutCString("ScriptInterpreterPython::LeaveSession()"); + log->Printf( + "ScriptInterpreterPython::EnterSession(on_entry_flags=0x%" PRIx16 + ") session is already active, returning without doing anything", + on_entry_flags); + return false; + } + + if (log) + log->Printf( + "ScriptInterpreterPython::EnterSession(on_entry_flags=0x%" PRIx16 ")", + on_entry_flags); + + m_session_is_active = true; + + StreamString run_string; + + if (on_entry_flags & Locker::InitGlobals) { + run_string.Printf("run_one_line (%s, 'lldb.debugger_unique_id = %" PRIu64, + m_dictionary_name.c_str(), + GetCommandInterpreter().GetDebugger().GetID()); + run_string.Printf( + "; lldb.debugger = lldb.SBDebugger.FindDebuggerWithID (%" PRIu64 ")", + GetCommandInterpreter().GetDebugger().GetID()); + run_string.PutCString("; lldb.target = lldb.debugger.GetSelectedTarget()"); + run_string.PutCString("; lldb.process = lldb.target.GetProcess()"); + run_string.PutCString("; lldb.thread = lldb.process.GetSelectedThread ()"); + run_string.PutCString("; lldb.frame = lldb.thread.GetSelectedFrame ()"); + run_string.PutCString("')"); + } else { + // If we aren't initing the globals, we should still always set the debugger + // (since that is always unique.) + run_string.Printf("run_one_line (%s, 'lldb.debugger_unique_id = %" PRIu64, + m_dictionary_name.c_str(), + GetCommandInterpreter().GetDebugger().GetID()); + run_string.Printf( + "; lldb.debugger = lldb.SBDebugger.FindDebuggerWithID (%" PRIu64 ")", + GetCommandInterpreter().GetDebugger().GetID()); + run_string.PutCString("')"); + } + + PyRun_SimpleString(run_string.GetData()); + run_string.Clear(); + + PythonDictionary &sys_module_dict = GetSysModuleDictionary(); + if (sys_module_dict.IsValid()) { + File in_file(in, false); + File out_file(out, false); + File err_file(err, false); + + lldb::StreamFileSP in_sp; + lldb::StreamFileSP out_sp; + lldb::StreamFileSP err_sp; + if (!in_file.IsValid() || !out_file.IsValid() || !err_file.IsValid()) + m_interpreter.GetDebugger().AdoptTopIOHandlerFilesIfInvalid(in_sp, out_sp, + err_sp); + + if (on_entry_flags & Locker::NoSTDIN) { + m_saved_stdin.Reset(); + } else { + if (!SetStdHandle(in_file, "stdin", m_saved_stdin, "r")) { + if (in_sp) + SetStdHandle(in_sp->GetFile(), "stdin", m_saved_stdin, "r"); + } + } + + if (!SetStdHandle(out_file, "stdout", m_saved_stdout, "w")) { + if (out_sp) + SetStdHandle(out_sp->GetFile(), "stdout", m_saved_stdout, "w"); + } + + if (!SetStdHandle(err_file, "stderr", m_saved_stderr, "w")) { + if (err_sp) + SetStdHandle(err_sp->GetFile(), "stderr", m_saved_stderr, "w"); + } + } + + if (PyErr_Occurred()) + PyErr_Clear(); + + return true; +} + +PythonObject &ScriptInterpreterPython::GetMainModule() { + if (!m_main_module.IsValid()) + m_main_module.Reset(PyRefType::Borrowed, PyImport_AddModule("__main__")); + return m_main_module; +} + +PythonDictionary &ScriptInterpreterPython::GetSessionDictionary() { + if (m_session_dict.IsValid()) + return m_session_dict; - // checking that we have a valid thread state - since we use our own threading and locking - // in some (rare) cases during cleanup Python may end up believing we have no thread state - // and PyImport_AddModule will crash if that is the case - since that seems to only happen - // when destroying the SBDebugger, we can make do without clearing up stdout and stderr + PythonObject &main_module = GetMainModule(); + if (!main_module.IsValid()) + return m_session_dict; - // rdar://problem/11292882 - // When the current thread state is NULL, PyThreadState_Get() issues a fatal error. - if (PyThreadState_GetDict()) - { - PythonDictionary &sys_module_dict = GetSysModuleDictionary (); - if (sys_module_dict.IsValid()) - { - if (m_saved_stdin.IsValid()) - { - sys_module_dict.SetItemForKey(PythonString("stdin"), m_saved_stdin); - m_saved_stdin.Reset (); - } - if (m_saved_stdout.IsValid()) - { - sys_module_dict.SetItemForKey(PythonString("stdout"), m_saved_stdout); - m_saved_stdout.Reset (); - } - if (m_saved_stderr.IsValid()) - { - sys_module_dict.SetItemForKey(PythonString("stderr"), m_saved_stderr); - m_saved_stderr.Reset (); - } - } - } + PythonDictionary main_dict(PyRefType::Borrowed, + PyModule_GetDict(main_module.get())); + if (!main_dict.IsValid()) + return m_session_dict; - m_session_is_active = false; + PythonObject item = main_dict.GetItemForKey(PythonString(m_dictionary_name)); + m_session_dict.Reset(PyRefType::Borrowed, item.get()); + return m_session_dict; } -bool -ScriptInterpreterPython::SetStdHandle(File &file, const char *py_name, PythonFile &save_file, const char *mode) -{ - if (file.IsValid()) - { - // Flush the file before giving it to python to avoid interleaved output. - file.Flush(); - - PythonDictionary &sys_module_dict = GetSysModuleDictionary(); - - save_file = sys_module_dict.GetItemForKey(PythonString(py_name)).AsType<PythonFile>(); +PythonDictionary &ScriptInterpreterPython::GetSysModuleDictionary() { + if (m_sys_module_dict.IsValid()) + return m_sys_module_dict; - PythonFile new_file(file, mode); - sys_module_dict.SetItemForKey(PythonString(py_name), new_file); - return true; - } - else - save_file.Reset(); - return false; + PythonObject sys_module(PyRefType::Borrowed, PyImport_AddModule("sys")); + if (sys_module.IsValid()) + m_sys_module_dict.Reset(PyRefType::Borrowed, + PyModule_GetDict(sys_module.get())); + return m_sys_module_dict; } -bool -ScriptInterpreterPython::EnterSession (uint16_t on_entry_flags, - FILE *in, - FILE *out, - FILE *err) -{ - // If we have already entered the session, without having officially 'left' it, then there is no need to - // 'enter' it again. - Log *log (lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_SCRIPT)); - if (m_session_is_active) - { - if (log) - log->Printf("ScriptInterpreterPython::EnterSession(on_entry_flags=0x%" PRIx16 ") session is already active, returning without doing anything", on_entry_flags); - return false; - } - - if (log) - log->Printf("ScriptInterpreterPython::EnterSession(on_entry_flags=0x%" PRIx16 ")", on_entry_flags); - - - m_session_is_active = true; - - StreamString run_string; - - if (on_entry_flags & Locker::InitGlobals) - { - run_string.Printf ( "run_one_line (%s, 'lldb.debugger_unique_id = %" PRIu64, m_dictionary_name.c_str(), GetCommandInterpreter().GetDebugger().GetID()); - run_string.Printf ( "; lldb.debugger = lldb.SBDebugger.FindDebuggerWithID (%" PRIu64 ")", GetCommandInterpreter().GetDebugger().GetID()); - run_string.PutCString ("; lldb.target = lldb.debugger.GetSelectedTarget()"); - run_string.PutCString ("; lldb.process = lldb.target.GetProcess()"); - run_string.PutCString ("; lldb.thread = lldb.process.GetSelectedThread ()"); - run_string.PutCString ("; lldb.frame = lldb.thread.GetSelectedFrame ()"); - run_string.PutCString ("')"); - } - else - { - // If we aren't initing the globals, we should still always set the debugger (since that is always unique.) - run_string.Printf ( "run_one_line (%s, 'lldb.debugger_unique_id = %" PRIu64, m_dictionary_name.c_str(), GetCommandInterpreter().GetDebugger().GetID()); - run_string.Printf ( "; lldb.debugger = lldb.SBDebugger.FindDebuggerWithID (%" PRIu64 ")", GetCommandInterpreter().GetDebugger().GetID()); - run_string.PutCString ("')"); - } - - PyRun_SimpleString (run_string.GetData()); - run_string.Clear(); - - PythonDictionary &sys_module_dict = GetSysModuleDictionary (); - if (sys_module_dict.IsValid()) - { - File in_file(in, false); - File out_file(out, false); - File err_file(err, false); - - lldb::StreamFileSP in_sp; - lldb::StreamFileSP out_sp; - lldb::StreamFileSP err_sp; - if (!in_file.IsValid() || !out_file.IsValid() || !err_file.IsValid()) - m_interpreter.GetDebugger().AdoptTopIOHandlerFilesIfInvalid (in_sp, out_sp, err_sp); - - - if (on_entry_flags & Locker::NoSTDIN) - { - m_saved_stdin.Reset(); - } - else - { - if (!SetStdHandle(in_file, "stdin", m_saved_stdin, "r")) - { - if (in_sp) - SetStdHandle(in_sp->GetFile(), "stdin", m_saved_stdin, "r"); - } - } +static std::string GenerateUniqueName(const char *base_name_wanted, + uint32_t &functions_counter, + const void *name_token = nullptr) { + StreamString sstr; - if (!SetStdHandle(out_file, "stdout", m_saved_stdout, "w")) - { - if (out_sp) - SetStdHandle(out_sp->GetFile(), "stdout", m_saved_stdout, "w"); - } + if (!base_name_wanted) + return std::string(); - if (!SetStdHandle(err_file, "stderr", m_saved_stderr, "w")) - { - if (err_sp) - SetStdHandle(err_sp->GetFile(), "stderr", m_saved_stderr, "w"); - } - } + if (!name_token) + sstr.Printf("%s_%d", base_name_wanted, functions_counter++); + else + sstr.Printf("%s_%p", base_name_wanted, name_token); - if (PyErr_Occurred()) - PyErr_Clear (); - - return true; -} - -PythonObject & -ScriptInterpreterPython::GetMainModule() -{ - if (!m_main_module.IsValid()) - m_main_module.Reset(PyRefType::Borrowed, PyImport_AddModule("__main__")); - return m_main_module; + return sstr.GetString(); } -PythonDictionary & -ScriptInterpreterPython::GetSessionDictionary () -{ - if (m_session_dict.IsValid()) - return m_session_dict; +bool ScriptInterpreterPython::GetEmbeddedInterpreterModuleObjects() { + if (m_run_one_line_function.IsValid()) + return true; - PythonObject &main_module = GetMainModule(); - if (!main_module.IsValid()) - return m_session_dict; + PythonObject module(PyRefType::Borrowed, + PyImport_AddModule("lldb.embedded_interpreter")); + if (!module.IsValid()) + return false; - PythonDictionary main_dict(PyRefType::Borrowed, PyModule_GetDict(main_module.get())); - if (!main_dict.IsValid()) - return m_session_dict; + PythonDictionary module_dict(PyRefType::Borrowed, + PyModule_GetDict(module.get())); + if (!module_dict.IsValid()) + return false; - PythonObject item = main_dict.GetItemForKey(PythonString(m_dictionary_name)); - m_session_dict.Reset(PyRefType::Borrowed, item.get()); - return m_session_dict; + m_run_one_line_function = + module_dict.GetItemForKey(PythonString("run_one_line")); + m_run_one_line_str_global = + module_dict.GetItemForKey(PythonString("g_run_one_line_str")); + return m_run_one_line_function.IsValid(); } -PythonDictionary & -ScriptInterpreterPython::GetSysModuleDictionary () -{ - if (m_sys_module_dict.IsValid()) - return m_sys_module_dict; - - PythonObject sys_module(PyRefType::Borrowed, PyImport_AddModule("sys")); - if (sys_module.IsValid()) - m_sys_module_dict.Reset(PyRefType::Borrowed, PyModule_GetDict(sys_module.get())); - return m_sys_module_dict; +static void ReadThreadBytesReceived(void *baton, const void *src, + size_t src_len) { + if (src && src_len) { + Stream *strm = (Stream *)baton; + strm->Write(src, src_len); + strm->Flush(); + } } -static std::string -GenerateUniqueName (const char* base_name_wanted, - uint32_t& functions_counter, - const void* name_token = nullptr) -{ - StreamString sstr; - - if (!base_name_wanted) - return std::string(); - - if (!name_token) - sstr.Printf ("%s_%d", base_name_wanted, functions_counter++); - else - sstr.Printf ("%s_%p", base_name_wanted, name_token); - - return sstr.GetString(); -} - -bool -ScriptInterpreterPython::GetEmbeddedInterpreterModuleObjects () -{ - if (m_run_one_line_function.IsValid()) - return true; - - PythonObject module(PyRefType::Borrowed, PyImport_AddModule ("lldb.embedded_interpreter")); - if (!module.IsValid()) - return false; - - PythonDictionary module_dict(PyRefType::Borrowed, PyModule_GetDict(module.get())); - if (!module_dict.IsValid()) - return false; - - m_run_one_line_function = module_dict.GetItemForKey(PythonString("run_one_line")); - m_run_one_line_str_global = module_dict.GetItemForKey(PythonString("g_run_one_line_str")); - return m_run_one_line_function.IsValid(); -} - -static void -ReadThreadBytesReceived(void *baton, const void *src, size_t src_len) -{ - if (src && src_len) - { - Stream *strm = (Stream *)baton; - strm->Write(src, src_len); - strm->Flush(); - } -} +bool ScriptInterpreterPython::ExecuteOneLine( + const char *command, CommandReturnObject *result, + const ExecuteScriptOptions &options) { + if (!m_valid_session) + return false; -bool -ScriptInterpreterPython::ExecuteOneLine (const char *command, CommandReturnObject *result, const ExecuteScriptOptions &options) -{ - if (!m_valid_session) - return false; - - if (command && command[0]) - { - // We want to call run_one_line, passing in the dictionary and the command string. We cannot do this through - // PyRun_SimpleString here because the command string may contain escaped characters, and putting it inside - // another string to pass to PyRun_SimpleString messes up the escaping. So we use the following more complicated - // method to pass the command string directly down to Python. - Debugger &debugger = m_interpreter.GetDebugger(); - - StreamFileSP input_file_sp; - StreamFileSP output_file_sp; - StreamFileSP error_file_sp; - Communication output_comm ("lldb.ScriptInterpreterPython.ExecuteOneLine.comm"); - bool join_read_thread = false; - if (options.GetEnableIO()) - { - if (result) - { - input_file_sp = debugger.GetInputFile(); - // Set output to a temporary file so we can forward the results on to the result object - - Pipe pipe; - Error pipe_result = pipe.CreateNew(false); - if (pipe_result.Success()) - { + if (command && command[0]) { + // We want to call run_one_line, passing in the dictionary and the command + // string. We cannot do this through + // PyRun_SimpleString here because the command string may contain escaped + // characters, and putting it inside + // another string to pass to PyRun_SimpleString messes up the escaping. So + // we use the following more complicated + // method to pass the command string directly down to Python. + Debugger &debugger = m_interpreter.GetDebugger(); + + StreamFileSP input_file_sp; + StreamFileSP output_file_sp; + StreamFileSP error_file_sp; + Communication output_comm( + "lldb.ScriptInterpreterPython.ExecuteOneLine.comm"); + bool join_read_thread = false; + if (options.GetEnableIO()) { + if (result) { + input_file_sp = debugger.GetInputFile(); + // Set output to a temporary file so we can forward the results on to + // the result object + + Pipe pipe; + Error pipe_result = pipe.CreateNew(false); + if (pipe_result.Success()) { #if defined(_WIN32) - lldb::file_t read_file = pipe.GetReadNativeHandle(); - pipe.ReleaseReadFileDescriptor(); - std::unique_ptr<ConnectionGenericFile> conn_ap(new ConnectionGenericFile(read_file, true)); + lldb::file_t read_file = pipe.GetReadNativeHandle(); + pipe.ReleaseReadFileDescriptor(); + std::unique_ptr<ConnectionGenericFile> conn_ap( + new ConnectionGenericFile(read_file, true)); #else - std::unique_ptr<ConnectionFileDescriptor> conn_ap(new ConnectionFileDescriptor(pipe.ReleaseReadFileDescriptor(), true)); + std::unique_ptr<ConnectionFileDescriptor> conn_ap( + new ConnectionFileDescriptor(pipe.ReleaseReadFileDescriptor(), + true)); #endif - if (conn_ap->IsConnected()) - { - output_comm.SetConnection(conn_ap.release()); - output_comm.SetReadThreadBytesReceivedCallback(ReadThreadBytesReceived, &result->GetOutputStream()); - output_comm.StartReadThread(); - join_read_thread = true; - FILE *outfile_handle = fdopen (pipe.ReleaseWriteFileDescriptor(), "w"); - output_file_sp.reset(new StreamFile(outfile_handle, true)); - error_file_sp = output_file_sp; - if (outfile_handle) - ::setbuf (outfile_handle, nullptr); - - result->SetImmediateOutputFile(debugger.GetOutputFile()->GetFile().GetStream()); - result->SetImmediateErrorFile(debugger.GetErrorFile()->GetFile().GetStream()); - } - } - } - if (!input_file_sp || !output_file_sp || !error_file_sp) - debugger.AdoptTopIOHandlerFilesIfInvalid(input_file_sp, output_file_sp, error_file_sp); - } - else - { - input_file_sp.reset (new StreamFile ()); - input_file_sp->GetFile().Open(FileSystem::DEV_NULL, File::eOpenOptionRead); - output_file_sp.reset (new StreamFile ()); - output_file_sp->GetFile().Open(FileSystem::DEV_NULL, File::eOpenOptionWrite); + if (conn_ap->IsConnected()) { + output_comm.SetConnection(conn_ap.release()); + output_comm.SetReadThreadBytesReceivedCallback( + ReadThreadBytesReceived, &result->GetOutputStream()); + output_comm.StartReadThread(); + join_read_thread = true; + FILE *outfile_handle = + fdopen(pipe.ReleaseWriteFileDescriptor(), "w"); + output_file_sp.reset(new StreamFile(outfile_handle, true)); error_file_sp = output_file_sp; + if (outfile_handle) + ::setbuf(outfile_handle, nullptr); + + result->SetImmediateOutputFile( + debugger.GetOutputFile()->GetFile().GetStream()); + result->SetImmediateErrorFile( + debugger.GetErrorFile()->GetFile().GetStream()); + } } - - FILE *in_file = input_file_sp->GetFile().GetStream(); - FILE *out_file = output_file_sp->GetFile().GetStream(); - FILE *err_file = error_file_sp->GetFile().GetStream(); - bool success = false; - { - // WARNING! It's imperative that this RAII scope be as tight as possible. In particular, the - // scope must end *before* we try to join the read thread. The reason for this is that a - // pre-requisite for joining the read thread is that we close the write handle (to break the - // pipe and cause it to wake up and exit). But acquiring the GIL as below will redirect Python's - // stdio to use this same handle. If we close the handle while Python is still using it, bad - // things will happen. - Locker locker(this, - ScriptInterpreterPython::Locker::AcquireLock | - ScriptInterpreterPython::Locker::InitSession | - (options.GetSetLLDBGlobals() ? ScriptInterpreterPython::Locker::InitGlobals : 0) | - ((result && result->GetInteractive()) ? 0: Locker::NoSTDIN), - ScriptInterpreterPython::Locker::FreeAcquiredLock | - ScriptInterpreterPython::Locker::TearDownSession, - in_file, - out_file, - err_file); - - // Find the correct script interpreter dictionary in the main module. - PythonDictionary &session_dict = GetSessionDictionary (); - if (session_dict.IsValid()) - { - if (GetEmbeddedInterpreterModuleObjects ()) - { - if (PyCallable_Check(m_run_one_line_function.get())) - { - PythonObject pargs(PyRefType::Owned, Py_BuildValue("(Os)", session_dict.get(), command)); - if (pargs.IsValid()) - { - PythonObject return_value(PyRefType::Owned, - PyObject_CallObject(m_run_one_line_function.get(), pargs.get())); - if (return_value.IsValid()) - success = true; - else if (options.GetMaskoutErrors() && PyErr_Occurred ()) - { - PyErr_Print(); - PyErr_Clear(); - } - } - } - } + } + if (!input_file_sp || !output_file_sp || !error_file_sp) + debugger.AdoptTopIOHandlerFilesIfInvalid(input_file_sp, output_file_sp, + error_file_sp); + } else { + input_file_sp.reset(new StreamFile()); + input_file_sp->GetFile().Open(FileSystem::DEV_NULL, + File::eOpenOptionRead); + output_file_sp.reset(new StreamFile()); + output_file_sp->GetFile().Open(FileSystem::DEV_NULL, + File::eOpenOptionWrite); + error_file_sp = output_file_sp; + } + + FILE *in_file = input_file_sp->GetFile().GetStream(); + FILE *out_file = output_file_sp->GetFile().GetStream(); + FILE *err_file = error_file_sp->GetFile().GetStream(); + bool success = false; + { + // WARNING! It's imperative that this RAII scope be as tight as possible. + // In particular, the + // scope must end *before* we try to join the read thread. The reason for + // this is that a + // pre-requisite for joining the read thread is that we close the write + // handle (to break the + // pipe and cause it to wake up and exit). But acquiring the GIL as below + // will redirect Python's + // stdio to use this same handle. If we close the handle while Python is + // still using it, bad + // things will happen. + Locker locker( + this, + ScriptInterpreterPython::Locker::AcquireLock | + ScriptInterpreterPython::Locker::InitSession | + (options.GetSetLLDBGlobals() + ? ScriptInterpreterPython::Locker::InitGlobals + : 0) | + ((result && result->GetInteractive()) ? 0 : Locker::NoSTDIN), + ScriptInterpreterPython::Locker::FreeAcquiredLock | + ScriptInterpreterPython::Locker::TearDownSession, + in_file, out_file, err_file); + + // Find the correct script interpreter dictionary in the main module. + PythonDictionary &session_dict = GetSessionDictionary(); + if (session_dict.IsValid()) { + if (GetEmbeddedInterpreterModuleObjects()) { + if (PyCallable_Check(m_run_one_line_function.get())) { + PythonObject pargs( + PyRefType::Owned, + Py_BuildValue("(Os)", session_dict.get(), command)); + if (pargs.IsValid()) { + PythonObject return_value( + PyRefType::Owned, + PyObject_CallObject(m_run_one_line_function.get(), + pargs.get())); + if (return_value.IsValid()) + success = true; + else if (options.GetMaskoutErrors() && PyErr_Occurred()) { + PyErr_Print(); + PyErr_Clear(); + } } - - // Flush our output and error file handles - ::fflush (out_file); - if (out_file != err_file) - ::fflush (err_file); + } } - - if (join_read_thread) - { - // Close the write end of the pipe since we are done with our - // one line script. This should cause the read thread that - // output_comm is using to exit - output_file_sp->GetFile().Close(); - // The close above should cause this thread to exit when it gets - // to the end of file, so let it get all its data - output_comm.JoinReadThread(); - // Now we can close the read end of the pipe - output_comm.Disconnect(); - } - - - if (success) - return true; - - // The one-liner failed. Append the error message. - if (result) - result->AppendErrorWithFormat ("python failed attempting to evaluate '%s'\n", command); - return false; + } + + // Flush our output and error file handles + ::fflush(out_file); + if (out_file != err_file) + ::fflush(err_file); } + if (join_read_thread) { + // Close the write end of the pipe since we are done with our + // one line script. This should cause the read thread that + // output_comm is using to exit + output_file_sp->GetFile().Close(); + // The close above should cause this thread to exit when it gets + // to the end of file, so let it get all its data + output_comm.JoinReadThread(); + // Now we can close the read end of the pipe + output_comm.Disconnect(); + } + + if (success) + return true; + + // The one-liner failed. Append the error message. if (result) - result->AppendError ("empty command passed to python\n"); + result->AppendErrorWithFormat( + "python failed attempting to evaluate '%s'\n", command); return false; -} + } + if (result) + result->AppendError("empty command passed to python\n"); + return false; +} -class IOHandlerPythonInterpreter : - public IOHandler -{ +class IOHandlerPythonInterpreter : public IOHandler { public: - - IOHandlerPythonInterpreter (Debugger &debugger, - ScriptInterpreterPython *python) : - IOHandler (debugger, IOHandler::Type::PythonInterpreter), - m_python(python) - { - - } - - ~IOHandlerPythonInterpreter() override - { - - } - - ConstString - GetControlSequence (char ch) override - { - if (ch == 'd') - return ConstString("quit()\n"); - return ConstString(); - } - - void - Run () override - { - if (m_python) - { - int stdin_fd = GetInputFD(); - if (stdin_fd >= 0) - { - Terminal terminal(stdin_fd); - TerminalState terminal_state; - const bool is_a_tty = terminal.IsATerminal(); - - if (is_a_tty) - { - terminal_state.Save (stdin_fd, false); - terminal.SetCanonical(false); - terminal.SetEcho(true); - } - - ScriptInterpreterPython::Locker locker (m_python, - ScriptInterpreterPython::Locker::AcquireLock | - ScriptInterpreterPython::Locker::InitSession | - ScriptInterpreterPython::Locker::InitGlobals, - ScriptInterpreterPython::Locker::FreeAcquiredLock | - ScriptInterpreterPython::Locker::TearDownSession); - - // The following call drops into the embedded interpreter loop and stays there until the - // user chooses to exit from the Python interpreter. - // This embedded interpreter will, as any Python code that performs I/O, unlock the GIL before - // a system call that can hang, and lock it when the syscall has returned. - - // We need to surround the call to the embedded interpreter with calls to PyGILState_Ensure and - // PyGILState_Release (using the Locker above). This is because Python has a global lock which must be held whenever we want - // to touch any Python objects. Otherwise, if the user calls Python code, the interpreter state will be off, - // and things could hang (it's happened before). - - StreamString run_string; - run_string.Printf ("run_python_interpreter (%s)", m_python->GetDictionaryName ()); - PyRun_SimpleString (run_string.GetData()); - - if (is_a_tty) - terminal_state.Restore(); - } + IOHandlerPythonInterpreter(Debugger &debugger, + ScriptInterpreterPython *python) + : IOHandler(debugger, IOHandler::Type::PythonInterpreter), + m_python(python) {} + + ~IOHandlerPythonInterpreter() override {} + + ConstString GetControlSequence(char ch) override { + if (ch == 'd') + return ConstString("quit()\n"); + return ConstString(); + } + + void Run() override { + if (m_python) { + int stdin_fd = GetInputFD(); + if (stdin_fd >= 0) { + Terminal terminal(stdin_fd); + TerminalState terminal_state; + const bool is_a_tty = terminal.IsATerminal(); + + if (is_a_tty) { + terminal_state.Save(stdin_fd, false); + terminal.SetCanonical(false); + terminal.SetEcho(true); } - SetIsDone(true); - } - void - Cancel () override - { - - } + ScriptInterpreterPython::Locker locker( + m_python, ScriptInterpreterPython::Locker::AcquireLock | + ScriptInterpreterPython::Locker::InitSession | + ScriptInterpreterPython::Locker::InitGlobals, + ScriptInterpreterPython::Locker::FreeAcquiredLock | + ScriptInterpreterPython::Locker::TearDownSession); - bool - Interrupt () override - { - return m_python->Interrupt(); - } - - void - GotEOF() override - { - - } -protected: - ScriptInterpreterPython *m_python; -}; + // The following call drops into the embedded interpreter loop and stays + // there until the + // user chooses to exit from the Python interpreter. + // This embedded interpreter will, as any Python code that performs I/O, + // unlock the GIL before + // a system call that can hang, and lock it when the syscall has + // returned. + // We need to surround the call to the embedded interpreter with calls + // to PyGILState_Ensure and + // PyGILState_Release (using the Locker above). This is because Python + // has a global lock which must be held whenever we want + // to touch any Python objects. Otherwise, if the user calls Python + // code, the interpreter state will be off, + // and things could hang (it's happened before). -void -ScriptInterpreterPython::ExecuteInterpreterLoop () -{ - Timer scoped_timer (__PRETTY_FUNCTION__, __PRETTY_FUNCTION__); + StreamString run_string; + run_string.Printf("run_python_interpreter (%s)", + m_python->GetDictionaryName()); + PyRun_SimpleString(run_string.GetData()); - Debugger &debugger = GetCommandInterpreter().GetDebugger(); + if (is_a_tty) + terminal_state.Restore(); + } + } + SetIsDone(true); + } - // At the moment, the only time the debugger does not have an input file handle is when this is called - // directly from Python, in which case it is both dangerous and unnecessary (not to mention confusing) to - // try to embed a running interpreter loop inside the already running Python interpreter loop, so we won't - // do it. + void Cancel() override {} - if (!debugger.GetInputFile()->GetFile().IsValid()) - return; + bool Interrupt() override { return m_python->Interrupt(); } - IOHandlerSP io_handler_sp (new IOHandlerPythonInterpreter (debugger, this)); - if (io_handler_sp) - { - debugger.PushIOHandler(io_handler_sp); - } -} + void GotEOF() override {} -bool -ScriptInterpreterPython::Interrupt() -{ - Log *log (lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_SCRIPT)); +protected: + ScriptInterpreterPython *m_python; +}; - if (IsExecutingPython()) - { - PyThreadState *state = PyThreadState_GET(); - if (!state) - state = GetThreadState(); - if (state) - { - long tid = state->thread_id; - PyThreadState_Swap(state); - int num_threads = PyThreadState_SetAsyncExc(tid, PyExc_KeyboardInterrupt); - if (log) - log->Printf("ScriptInterpreterPython::Interrupt() sending PyExc_KeyboardInterrupt (tid = %li, num_threads = %i)...", tid, num_threads); - return true; - } - } - if (log) - log->Printf("ScriptInterpreterPython::Interrupt() python code not running, can't interrupt"); - return false; +void ScriptInterpreterPython::ExecuteInterpreterLoop() { + Timer scoped_timer(LLVM_PRETTY_FUNCTION, LLVM_PRETTY_FUNCTION); -} -bool -ScriptInterpreterPython::ExecuteOneLineWithReturn (const char *in_string, - ScriptInterpreter::ScriptReturnType return_type, - void *ret_value, - const ExecuteScriptOptions &options) -{ - - Locker locker(this, - ScriptInterpreterPython::Locker::AcquireLock | ScriptInterpreterPython::Locker::InitSession | (options.GetSetLLDBGlobals() ? ScriptInterpreterPython::Locker::InitGlobals : 0) | Locker::NoSTDIN, - ScriptInterpreterPython::Locker::FreeAcquiredLock | ScriptInterpreterPython::Locker::TearDownSession); - - PythonObject py_return; - PythonObject &main_module = GetMainModule(); - PythonDictionary globals(PyRefType::Borrowed, PyModule_GetDict(main_module.get())); - PythonObject py_error; - bool ret_success = false; - int success; - - PythonDictionary locals = GetSessionDictionary (); - - if (!locals.IsValid()) - { - locals.Reset(PyRefType::Owned, PyObject_GetAttrString(globals.get(), m_dictionary_name.c_str())); - } - - if (!locals.IsValid()) - locals = globals; - - py_error.Reset(PyRefType::Borrowed, PyErr_Occurred()); - if (py_error.IsValid()) - PyErr_Clear(); - - if (in_string != nullptr) - { - { // scope for PythonInputReaderManager - //PythonInputReaderManager py_input(options.GetEnableIO() ? this : NULL); - py_return.Reset(PyRefType::Owned, PyRun_String(in_string, Py_eval_input, globals.get(), locals.get())); - if (!py_return.IsValid()) - { - py_error.Reset(PyRefType::Borrowed, PyErr_Occurred()); - if (py_error.IsValid()) - PyErr_Clear(); - - py_return.Reset(PyRefType::Owned, PyRun_String(in_string, Py_single_input, globals.get(), locals.get())); - } - } + Debugger &debugger = GetCommandInterpreter().GetDebugger(); - if (py_return.IsValid()) - { - switch (return_type) - { - case eScriptReturnTypeCharPtr: // "char *" - { - const char format[3] = "s#"; - success = PyArg_Parse (py_return.get(), format, (char **) ret_value); - break; - } - case eScriptReturnTypeCharStrOrNone: // char* or NULL if py_return == Py_None - { - const char format[3] = "z"; - success = PyArg_Parse (py_return.get(), format, (char **) ret_value); - break; - } - case eScriptReturnTypeBool: - { - const char format[2] = "b"; - success = PyArg_Parse (py_return.get(), format, (bool *) ret_value); - break; - } - case eScriptReturnTypeShortInt: - { - const char format[2] = "h"; - success = PyArg_Parse (py_return.get(), format, (short *) ret_value); - break; - } - case eScriptReturnTypeShortIntUnsigned: - { - const char format[2] = "H"; - success = PyArg_Parse (py_return.get(), format, (unsigned short *) ret_value); - break; - } - case eScriptReturnTypeInt: - { - const char format[2] = "i"; - success = PyArg_Parse (py_return.get(), format, (int *) ret_value); - break; - } - case eScriptReturnTypeIntUnsigned: - { - const char format[2] = "I"; - success = PyArg_Parse (py_return.get(), format, (unsigned int *) ret_value); - break; - } - case eScriptReturnTypeLongInt: - { - const char format[2] = "l"; - success = PyArg_Parse (py_return.get(), format, (long *) ret_value); - break; - } - case eScriptReturnTypeLongIntUnsigned: - { - const char format[2] = "k"; - success = PyArg_Parse (py_return.get(), format, (unsigned long *) ret_value); - break; - } - case eScriptReturnTypeLongLong: - { - const char format[2] = "L"; - success = PyArg_Parse (py_return.get(), format, (long long *) ret_value); - break; - } - case eScriptReturnTypeLongLongUnsigned: - { - const char format[2] = "K"; - success = PyArg_Parse (py_return.get(), format, (unsigned long long *) ret_value); - break; - } - case eScriptReturnTypeFloat: - { - const char format[2] = "f"; - success = PyArg_Parse (py_return.get(), format, (float *) ret_value); - break; - } - case eScriptReturnTypeDouble: - { - const char format[2] = "d"; - success = PyArg_Parse (py_return.get(), format, (double *) ret_value); - break; - } - case eScriptReturnTypeChar: - { - const char format[2] = "c"; - success = PyArg_Parse (py_return.get(), format, (char *) ret_value); - break; - } - case eScriptReturnTypeOpaqueObject: - { - success = true; - PyObject *saved_value = py_return.get(); - Py_XINCREF(saved_value); - *((PyObject **)ret_value) = saved_value; - break; - } - } + // At the moment, the only time the debugger does not have an input file + // handle is when this is called + // directly from Python, in which case it is both dangerous and unnecessary + // (not to mention confusing) to + // try to embed a running interpreter loop inside the already running Python + // interpreter loop, so we won't + // do it. - if (success) - ret_success = true; - else - ret_success = false; - } - } + if (!debugger.GetInputFile()->GetFile().IsValid()) + return; - py_error.Reset(PyRefType::Borrowed, PyErr_Occurred()); - if (py_error.IsValid()) - { - ret_success = false; - if (options.GetMaskoutErrors()) + IOHandlerSP io_handler_sp(new IOHandlerPythonInterpreter(debugger, this)); + if (io_handler_sp) { + debugger.PushIOHandler(io_handler_sp); + } +} + +bool ScriptInterpreterPython::Interrupt() { + Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_SCRIPT)); + + if (IsExecutingPython()) { + PyThreadState *state = PyThreadState_GET(); + if (!state) + state = GetThreadState(); + if (state) { + long tid = state->thread_id; + PyThreadState_Swap(state); + int num_threads = PyThreadState_SetAsyncExc(tid, PyExc_KeyboardInterrupt); + if (log) + log->Printf("ScriptInterpreterPython::Interrupt() sending " + "PyExc_KeyboardInterrupt (tid = %li, num_threads = %i)...", + tid, num_threads); + return true; + } + } + if (log) + log->Printf("ScriptInterpreterPython::Interrupt() python code not running, " + "can't interrupt"); + return false; +} +bool ScriptInterpreterPython::ExecuteOneLineWithReturn( + const char *in_string, ScriptInterpreter::ScriptReturnType return_type, + void *ret_value, const ExecuteScriptOptions &options) { + + Locker locker(this, ScriptInterpreterPython::Locker::AcquireLock | + ScriptInterpreterPython::Locker::InitSession | + (options.GetSetLLDBGlobals() + ? ScriptInterpreterPython::Locker::InitGlobals + : 0) | + Locker::NoSTDIN, + ScriptInterpreterPython::Locker::FreeAcquiredLock | + ScriptInterpreterPython::Locker::TearDownSession); + + PythonObject py_return; + PythonObject &main_module = GetMainModule(); + PythonDictionary globals(PyRefType::Borrowed, + PyModule_GetDict(main_module.get())); + PythonObject py_error; + bool ret_success = false; + int success; + + PythonDictionary locals = GetSessionDictionary(); + + if (!locals.IsValid()) { + locals.Reset( + PyRefType::Owned, + PyObject_GetAttrString(globals.get(), m_dictionary_name.c_str())); + } + + if (!locals.IsValid()) + locals = globals; + + py_error.Reset(PyRefType::Borrowed, PyErr_Occurred()); + if (py_error.IsValid()) + PyErr_Clear(); + + if (in_string != nullptr) { + { // scope for PythonInputReaderManager + // PythonInputReaderManager py_input(options.GetEnableIO() ? this : NULL); + py_return.Reset( + PyRefType::Owned, + PyRun_String(in_string, Py_eval_input, globals.get(), locals.get())); + if (!py_return.IsValid()) { + py_error.Reset(PyRefType::Borrowed, PyErr_Occurred()); + if (py_error.IsValid()) + PyErr_Clear(); + + py_return.Reset(PyRefType::Owned, + PyRun_String(in_string, Py_single_input, globals.get(), + locals.get())); + } + } + + if (py_return.IsValid()) { + switch (return_type) { + case eScriptReturnTypeCharPtr: // "char *" + { + const char format[3] = "s#"; + success = PyArg_Parse(py_return.get(), format, (char **)ret_value); + break; + } + case eScriptReturnTypeCharStrOrNone: // char* or NULL if py_return == + // Py_None { - if (PyErr_GivenExceptionMatches (py_error.get(), PyExc_SyntaxError)) - PyErr_Print (); - PyErr_Clear(); + const char format[3] = "z"; + success = PyArg_Parse(py_return.get(), format, (char **)ret_value); + break; } - } - - return ret_success; -} - -Error -ScriptInterpreterPython::ExecuteMultipleLines (const char *in_string, const ExecuteScriptOptions &options) -{ - Error error; - - Locker locker(this, - ScriptInterpreterPython::Locker::AcquireLock | ScriptInterpreterPython::Locker::InitSession | (options.GetSetLLDBGlobals() ? ScriptInterpreterPython::Locker::InitGlobals : 0) | Locker::NoSTDIN, - ScriptInterpreterPython::Locker::FreeAcquiredLock | ScriptInterpreterPython::Locker::TearDownSession); - - PythonObject return_value; - PythonObject &main_module = GetMainModule(); - PythonDictionary globals(PyRefType::Borrowed, PyModule_GetDict(main_module.get())); - PythonObject py_error; + case eScriptReturnTypeBool: { + const char format[2] = "b"; + success = PyArg_Parse(py_return.get(), format, (bool *)ret_value); + break; + } + case eScriptReturnTypeShortInt: { + const char format[2] = "h"; + success = PyArg_Parse(py_return.get(), format, (short *)ret_value); + break; + } + case eScriptReturnTypeShortIntUnsigned: { + const char format[2] = "H"; + success = + PyArg_Parse(py_return.get(), format, (unsigned short *)ret_value); + break; + } + case eScriptReturnTypeInt: { + const char format[2] = "i"; + success = PyArg_Parse(py_return.get(), format, (int *)ret_value); + break; + } + case eScriptReturnTypeIntUnsigned: { + const char format[2] = "I"; + success = + PyArg_Parse(py_return.get(), format, (unsigned int *)ret_value); + break; + } + case eScriptReturnTypeLongInt: { + const char format[2] = "l"; + success = PyArg_Parse(py_return.get(), format, (long *)ret_value); + break; + } + case eScriptReturnTypeLongIntUnsigned: { + const char format[2] = "k"; + success = + PyArg_Parse(py_return.get(), format, (unsigned long *)ret_value); + break; + } + case eScriptReturnTypeLongLong: { + const char format[2] = "L"; + success = PyArg_Parse(py_return.get(), format, (long long *)ret_value); + break; + } + case eScriptReturnTypeLongLongUnsigned: { + const char format[2] = "K"; + success = PyArg_Parse(py_return.get(), format, + (unsigned long long *)ret_value); + break; + } + case eScriptReturnTypeFloat: { + const char format[2] = "f"; + success = PyArg_Parse(py_return.get(), format, (float *)ret_value); + break; + } + case eScriptReturnTypeDouble: { + const char format[2] = "d"; + success = PyArg_Parse(py_return.get(), format, (double *)ret_value); + break; + } + case eScriptReturnTypeChar: { + const char format[2] = "c"; + success = PyArg_Parse(py_return.get(), format, (char *)ret_value); + break; + } + case eScriptReturnTypeOpaqueObject: { + success = true; + PyObject *saved_value = py_return.get(); + Py_XINCREF(saved_value); + *((PyObject **)ret_value) = saved_value; + break; + } + } - PythonDictionary locals = GetSessionDictionary(); + if (success) + ret_success = true; + else + ret_success = false; + } + } - if (!locals.IsValid()) - locals.Reset(PyRefType::Owned, PyObject_GetAttrString(globals.get(), m_dictionary_name.c_str())); + py_error.Reset(PyRefType::Borrowed, PyErr_Occurred()); + if (py_error.IsValid()) { + ret_success = false; + if (options.GetMaskoutErrors()) { + if (PyErr_GivenExceptionMatches(py_error.get(), PyExc_SyntaxError)) + PyErr_Print(); + PyErr_Clear(); + } + } - if (!locals.IsValid()) - locals = globals; + return ret_success; +} - py_error.Reset(PyRefType::Borrowed, PyErr_Occurred()); - if (py_error.IsValid()) - PyErr_Clear(); - - if (in_string != nullptr) - { - PythonObject code_object; - code_object.Reset(PyRefType::Owned, Py_CompileString(in_string, "temp.py", Py_file_input)); +Error ScriptInterpreterPython::ExecuteMultipleLines( + const char *in_string, const ExecuteScriptOptions &options) { + Error error; - if (code_object.IsValid()) - { - // In Python 2.x, PyEval_EvalCode takes a PyCodeObject, but in Python 3.x, it takes - // a PyObject. They are convertible (hence the function PyCode_Check(PyObject*), so - // we have to do the cast for Python 2.x + Locker locker(this, ScriptInterpreterPython::Locker::AcquireLock | + ScriptInterpreterPython::Locker::InitSession | + (options.GetSetLLDBGlobals() + ? ScriptInterpreterPython::Locker::InitGlobals + : 0) | + Locker::NoSTDIN, + ScriptInterpreterPython::Locker::FreeAcquiredLock | + ScriptInterpreterPython::Locker::TearDownSession); + + PythonObject return_value; + PythonObject &main_module = GetMainModule(); + PythonDictionary globals(PyRefType::Borrowed, + PyModule_GetDict(main_module.get())); + PythonObject py_error; + + PythonDictionary locals = GetSessionDictionary(); + + if (!locals.IsValid()) + locals.Reset( + PyRefType::Owned, + PyObject_GetAttrString(globals.get(), m_dictionary_name.c_str())); + + if (!locals.IsValid()) + locals = globals; + + py_error.Reset(PyRefType::Borrowed, PyErr_Occurred()); + if (py_error.IsValid()) + PyErr_Clear(); + + if (in_string != nullptr) { + PythonObject code_object; + code_object.Reset(PyRefType::Owned, + Py_CompileString(in_string, "temp.py", Py_file_input)); + + if (code_object.IsValid()) { +// In Python 2.x, PyEval_EvalCode takes a PyCodeObject, but in Python 3.x, it +// takes +// a PyObject. They are convertible (hence the function +// PyCode_Check(PyObject*), so +// we have to do the cast for Python 2.x #if PY_MAJOR_VERSION >= 3 - PyObject *py_code_obj = code_object.get(); + PyObject *py_code_obj = code_object.get(); #else - PyCodeObject *py_code_obj = reinterpret_cast<PyCodeObject *>(code_object.get()); + PyCodeObject *py_code_obj = + reinterpret_cast<PyCodeObject *>(code_object.get()); #endif - return_value.Reset(PyRefType::Owned, PyEval_EvalCode(py_code_obj, globals.get(), locals.get())); - } + return_value.Reset( + PyRefType::Owned, + PyEval_EvalCode(py_code_obj, globals.get(), locals.get())); } + } - PythonExceptionState exception_state(!options.GetMaskoutErrors()); - if (exception_state.IsError()) - error.SetErrorString(exception_state.Format().c_str()); + PythonExceptionState exception_state(!options.GetMaskoutErrors()); + if (exception_state.IsError()) + error.SetErrorString(exception_state.Format().c_str()); - return error; + return error; } +void ScriptInterpreterPython::CollectDataForBreakpointCommandCallback( + std::vector<BreakpointOptions *> &bp_options_vec, + CommandReturnObject &result) { + m_active_io_handler = eIOHandlerBreakpoint; + m_interpreter.GetPythonCommandsFromIOHandler(" ", *this, true, + &bp_options_vec); +} -void -ScriptInterpreterPython::CollectDataForBreakpointCommandCallback (std::vector<BreakpointOptions *> &bp_options_vec, - CommandReturnObject &result) -{ - m_active_io_handler = eIOHandlerBreakpoint; - m_interpreter.GetPythonCommandsFromIOHandler (" ", *this, true, &bp_options_vec); +void ScriptInterpreterPython::CollectDataForWatchpointCommandCallback( + WatchpointOptions *wp_options, CommandReturnObject &result) { + m_active_io_handler = eIOHandlerWatchpoint; + m_interpreter.GetPythonCommandsFromIOHandler(" ", *this, true, wp_options); } -void -ScriptInterpreterPython::CollectDataForWatchpointCommandCallback (WatchpointOptions *wp_options, - CommandReturnObject &result) -{ - m_active_io_handler = eIOHandlerWatchpoint; - m_interpreter.GetPythonCommandsFromIOHandler (" ", *this, true, wp_options); +void ScriptInterpreterPython::SetBreakpointCommandCallbackFunction( + BreakpointOptions *bp_options, const char *function_name) { + // For now just cons up a oneliner that calls the provided function. + std::string oneliner("return "); + oneliner += function_name; + oneliner += "(frame, bp_loc, internal_dict)"; + m_interpreter.GetScriptInterpreter()->SetBreakpointCommandCallback( + bp_options, oneliner.c_str()); } -void -ScriptInterpreterPython::SetBreakpointCommandCallbackFunction (BreakpointOptions *bp_options, - const char *function_name) -{ - // For now just cons up a oneliner that calls the provided function. - std::string oneliner("return "); - oneliner += function_name; - oneliner += "(frame, bp_loc, internal_dict)"; - m_interpreter.GetScriptInterpreter()->SetBreakpointCommandCallback (bp_options, - oneliner.c_str()); +Error ScriptInterpreterPython::SetBreakpointCommandCallback( + BreakpointOptions *bp_options, + std::unique_ptr<BreakpointOptions::CommandData> &cmd_data_up) { + Error error; + error = GenerateBreakpointCommandCallbackData(cmd_data_up->user_source, + cmd_data_up->script_source); + if (error.Fail()) { + return error; + } + auto baton_sp = + std::make_shared<BreakpointOptions::CommandBaton>(std::move(cmd_data_up)); + bp_options->SetCallback(ScriptInterpreterPython::BreakpointCallbackFunction, + baton_sp); + return error; } // Set a Python one-liner as the callback for the breakpoint. -Error -ScriptInterpreterPython::SetBreakpointCommandCallback (BreakpointOptions *bp_options, - const char *command_body_text) -{ - std::unique_ptr<BreakpointOptions::CommandData> data_ap(new BreakpointOptions::CommandData()); - - // Split the command_body_text into lines, and pass that to GenerateBreakpointCommandCallbackData. That will - // wrap the body in an auto-generated function, and return the function name in script_source. That is what - // the callback will actually invoke. - - data_ap->user_source.SplitIntoLines(command_body_text); - Error error = GenerateBreakpointCommandCallbackData (data_ap->user_source, data_ap->script_source); - if (error.Success()) - { - BatonSP baton_sp (new BreakpointOptions::CommandBaton (data_ap.release())); - bp_options->SetCallback (ScriptInterpreterPython::BreakpointCallbackFunction, baton_sp); - return error; - } - else - return error; +Error ScriptInterpreterPython::SetBreakpointCommandCallback( + BreakpointOptions *bp_options, const char *command_body_text) { + auto data_ap = llvm::make_unique<CommandDataPython>(); + + // Split the command_body_text into lines, and pass that to + // GenerateBreakpointCommandCallbackData. That will + // wrap the body in an auto-generated function, and return the function name + // in script_source. That is what + // the callback will actually invoke. + + data_ap->user_source.SplitIntoLines(command_body_text); + Error error = GenerateBreakpointCommandCallbackData(data_ap->user_source, + data_ap->script_source); + if (error.Success()) { + auto baton_sp = + std::make_shared<BreakpointOptions::CommandBaton>(std::move(data_ap)); + bp_options->SetCallback(ScriptInterpreterPython::BreakpointCallbackFunction, + baton_sp); + return error; + } else + return error; } // Set a Python one-liner as the callback for the watchpoint. -void -ScriptInterpreterPython::SetWatchpointCommandCallback (WatchpointOptions *wp_options, - const char *oneliner) -{ - std::unique_ptr<WatchpointOptions::CommandData> data_ap(new WatchpointOptions::CommandData()); +void ScriptInterpreterPython::SetWatchpointCommandCallback( + WatchpointOptions *wp_options, const char *oneliner) { + auto data_ap = llvm::make_unique<WatchpointOptions::CommandData>(); + + // It's necessary to set both user_source and script_source to the oneliner. + // The former is used to generate callback description (as in watchpoint + // command list) + // while the latter is used for Python to interpret during the actual + // callback. + + data_ap->user_source.AppendString(oneliner); + data_ap->script_source.assign(oneliner); + + if (GenerateWatchpointCommandCallbackData(data_ap->user_source, + data_ap->script_source)) { + auto baton_sp = + std::make_shared<WatchpointOptions::CommandBaton>(std::move(data_ap)); + wp_options->SetCallback(ScriptInterpreterPython::WatchpointCallbackFunction, + baton_sp); + } + + return; +} + +Error ScriptInterpreterPython::ExportFunctionDefinitionToInterpreter( + StringList &function_def) { + // Convert StringList to one long, newline delimited, const char *. + std::string function_def_string(function_def.CopyList()); + + Error error = ExecuteMultipleLines( + function_def_string.c_str(), + ScriptInterpreter::ExecuteScriptOptions().SetEnableIO(false)); + return error; +} + +Error ScriptInterpreterPython::GenerateFunction(const char *signature, + const StringList &input) { + Error error; + int num_lines = input.GetSize(); + if (num_lines == 0) { + error.SetErrorString("No input data."); + return error; + } - // It's necessary to set both user_source and script_source to the oneliner. - // The former is used to generate callback description (as in watchpoint command list) - // while the latter is used for Python to interpret during the actual callback. + if (!signature || *signature == 0) { + error.SetErrorString("No output function name."); + return error; + } + + StreamString sstr; + StringList auto_generated_function; + auto_generated_function.AppendString(signature); + auto_generated_function.AppendString( + " global_dict = globals()"); // Grab the global dictionary + auto_generated_function.AppendString( + " new_keys = internal_dict.keys()"); // Make a list of keys in the + // session dict + auto_generated_function.AppendString( + " old_keys = global_dict.keys()"); // Save list of keys in global dict + auto_generated_function.AppendString( + " global_dict.update (internal_dict)"); // Add the session dictionary + // to the + // global dictionary. + + // Wrap everything up inside the function, increasing the indentation. + + auto_generated_function.AppendString(" if True:"); + for (int i = 0; i < num_lines; ++i) { + sstr.Clear(); + sstr.Printf(" %s", input.GetStringAtIndex(i)); + auto_generated_function.AppendString(sstr.GetData()); + } + auto_generated_function.AppendString( + " for key in new_keys:"); // Iterate over all the keys from session + // dict + auto_generated_function.AppendString( + " internal_dict[key] = global_dict[key]"); // Update session dict + // values + auto_generated_function.AppendString( + " if key not in old_keys:"); // If key was not originally in + // global dict + auto_generated_function.AppendString( + " del global_dict[key]"); // ...then remove key/value from + // global dict + + // Verify that the results are valid Python. + + error = ExportFunctionDefinitionToInterpreter(auto_generated_function); + + return error; +} + +bool ScriptInterpreterPython::GenerateTypeScriptFunction( + StringList &user_input, std::string &output, const void *name_token) { + static uint32_t num_created_functions = 0; + user_input.RemoveBlankLines(); + StreamString sstr; + + // Check to see if we have any data; if not, just return. + if (user_input.GetSize() == 0) + return false; - data_ap->user_source.AppendString (oneliner); - data_ap->script_source.assign (oneliner); + // Take what the user wrote, wrap it all up inside one big auto-generated + // Python function, passing in the + // ValueObject as parameter to the function. - if (GenerateWatchpointCommandCallbackData (data_ap->user_source, data_ap->script_source)) - { - BatonSP baton_sp (new WatchpointOptions::CommandBaton (data_ap.release())); - wp_options->SetCallback (ScriptInterpreterPython::WatchpointCallbackFunction, baton_sp); - } - - return; -} + std::string auto_generated_function_name( + GenerateUniqueName("lldb_autogen_python_type_print_func", + num_created_functions, name_token)); + sstr.Printf("def %s (valobj, internal_dict):", + auto_generated_function_name.c_str()); -Error -ScriptInterpreterPython::ExportFunctionDefinitionToInterpreter (StringList &function_def) -{ - // Convert StringList to one long, newline delimited, const char *. - std::string function_def_string(function_def.CopyList()); + if (!GenerateFunction(sstr.GetData(), user_input).Success()) + return false; - Error error = ExecuteMultipleLines (function_def_string.c_str(), ScriptInterpreter::ExecuteScriptOptions().SetEnableIO(false)); - return error; + // Store the name of the auto-generated function to be called. + output.assign(auto_generated_function_name); + return true; } -Error -ScriptInterpreterPython::GenerateFunction(const char *signature, const StringList &input) -{ - Error error; - int num_lines = input.GetSize (); - if (num_lines == 0) - { - error.SetErrorString ("No input data."); - return error; - } - - if (!signature || *signature == 0) - { - error.SetErrorString("No output function name."); - return error; - } +bool ScriptInterpreterPython::GenerateScriptAliasFunction( + StringList &user_input, std::string &output) { + static uint32_t num_created_functions = 0; + user_input.RemoveBlankLines(); + StreamString sstr; - StreamString sstr; - StringList auto_generated_function; - auto_generated_function.AppendString (signature); - auto_generated_function.AppendString (" global_dict = globals()"); // Grab the global dictionary - auto_generated_function.AppendString (" new_keys = internal_dict.keys()"); // Make a list of keys in the session dict - auto_generated_function.AppendString (" old_keys = global_dict.keys()"); // Save list of keys in global dict - auto_generated_function.AppendString (" global_dict.update (internal_dict)"); // Add the session dictionary to the - // global dictionary. - - // Wrap everything up inside the function, increasing the indentation. - - auto_generated_function.AppendString(" if True:"); - for (int i = 0; i < num_lines; ++i) - { - sstr.Clear (); - sstr.Printf (" %s", input.GetStringAtIndex (i)); - auto_generated_function.AppendString (sstr.GetData()); - } - auto_generated_function.AppendString (" for key in new_keys:"); // Iterate over all the keys from session dict - auto_generated_function.AppendString (" internal_dict[key] = global_dict[key]"); // Update session dict values - auto_generated_function.AppendString (" if key not in old_keys:"); // If key was not originally in global dict - auto_generated_function.AppendString (" del global_dict[key]"); // ...then remove key/value from global dict - - // Verify that the results are valid Python. - - error = ExportFunctionDefinitionToInterpreter (auto_generated_function); - - return error; -} + // Check to see if we have any data; if not, just return. + if (user_input.GetSize() == 0) + return false; -bool -ScriptInterpreterPython::GenerateTypeScriptFunction (StringList &user_input, std::string& output, const void* name_token) -{ - static uint32_t num_created_functions = 0; - user_input.RemoveBlankLines (); - StreamString sstr; - - // Check to see if we have any data; if not, just return. - if (user_input.GetSize() == 0) - return false; - - // Take what the user wrote, wrap it all up inside one big auto-generated Python function, passing in the - // ValueObject as parameter to the function. - - std::string auto_generated_function_name(GenerateUniqueName("lldb_autogen_python_type_print_func", num_created_functions, name_token)); - sstr.Printf ("def %s (valobj, internal_dict):", auto_generated_function_name.c_str()); - - if (!GenerateFunction(sstr.GetData(), user_input).Success()) - return false; + std::string auto_generated_function_name(GenerateUniqueName( + "lldb_autogen_python_cmd_alias_func", num_created_functions)); - // Store the name of the auto-generated function to be called. - output.assign(auto_generated_function_name); - return true; -} + sstr.Printf("def %s (debugger, args, result, internal_dict):", + auto_generated_function_name.c_str()); -bool -ScriptInterpreterPython::GenerateScriptAliasFunction (StringList &user_input, std::string &output) -{ - static uint32_t num_created_functions = 0; - user_input.RemoveBlankLines (); - StreamString sstr; - - // Check to see if we have any data; if not, just return. - if (user_input.GetSize() == 0) - return false; - - std::string auto_generated_function_name(GenerateUniqueName("lldb_autogen_python_cmd_alias_func", num_created_functions)); + if (!GenerateFunction(sstr.GetData(), user_input).Success()) + return false; - sstr.Printf ("def %s (debugger, args, result, internal_dict):", auto_generated_function_name.c_str()); - - if (!GenerateFunction(sstr.GetData(),user_input).Success()) - return false; - - // Store the name of the auto-generated function to be called. - output.assign(auto_generated_function_name); - return true; + // Store the name of the auto-generated function to be called. + output.assign(auto_generated_function_name); + return true; } +bool ScriptInterpreterPython::GenerateTypeSynthClass(StringList &user_input, + std::string &output, + const void *name_token) { + static uint32_t num_created_classes = 0; + user_input.RemoveBlankLines(); + int num_lines = user_input.GetSize(); + StreamString sstr; -bool -ScriptInterpreterPython::GenerateTypeSynthClass (StringList &user_input, std::string &output, const void* name_token) -{ - static uint32_t num_created_classes = 0; - user_input.RemoveBlankLines (); - int num_lines = user_input.GetSize (); - StreamString sstr; - - // Check to see if we have any data; if not, just return. - if (user_input.GetSize() == 0) - return false; - - // Wrap all user input into a Python class - - std::string auto_generated_class_name(GenerateUniqueName("lldb_autogen_python_type_synth_class",num_created_classes,name_token)); - - StringList auto_generated_class; - - // Create the function name & definition string. - - sstr.Printf ("class %s:", auto_generated_class_name.c_str()); - auto_generated_class.AppendString (sstr.GetData()); - - // Wrap everything up inside the class, increasing the indentation. - // we don't need to play any fancy indentation tricks here because there is no - // surrounding code whose indentation we need to honor - for (int i = 0; i < num_lines; ++i) - { - sstr.Clear (); - sstr.Printf (" %s", user_input.GetStringAtIndex (i)); - auto_generated_class.AppendString (sstr.GetData()); - } - - - // Verify that the results are valid Python. - // (even though the method is ExportFunctionDefinitionToInterpreter, a class will actually be exported) - // (TODO: rename that method to ExportDefinitionToInterpreter) - if (!ExportFunctionDefinitionToInterpreter (auto_generated_class).Success()) - return false; - - // Store the name of the auto-generated class - - output.assign(auto_generated_class_name); - return true; -} + // Check to see if we have any data; if not, just return. + if (user_input.GetSize() == 0) + return false; -StructuredData::GenericSP -ScriptInterpreterPython::OSPlugin_CreatePluginObject(const char *class_name, lldb::ProcessSP process_sp) -{ - if (class_name == nullptr || class_name[0] == '\0') - return StructuredData::GenericSP(); + // Wrap all user input into a Python class - if (!process_sp) - return StructuredData::GenericSP(); + std::string auto_generated_class_name(GenerateUniqueName( + "lldb_autogen_python_type_synth_class", num_created_classes, name_token)); - void* ret_val; - - { - Locker py_lock (this, - Locker::AcquireLock | Locker::NoSTDIN, - Locker::FreeLock); - ret_val = g_swig_create_os_plugin (class_name, - m_dictionary_name.c_str(), - process_sp); - } + StringList auto_generated_class; + + // Create the function name & definition string. - return StructuredData::GenericSP(new StructuredPythonObject(ret_val)); + sstr.Printf("class %s:", auto_generated_class_name.c_str()); + auto_generated_class.AppendString(sstr.GetString()); + + // Wrap everything up inside the class, increasing the indentation. + // we don't need to play any fancy indentation tricks here because there is no + // surrounding code whose indentation we need to honor + for (int i = 0; i < num_lines; ++i) { + sstr.Clear(); + sstr.Printf(" %s", user_input.GetStringAtIndex(i)); + auto_generated_class.AppendString(sstr.GetString()); + } + + // Verify that the results are valid Python. + // (even though the method is ExportFunctionDefinitionToInterpreter, a class + // will actually be exported) + // (TODO: rename that method to ExportDefinitionToInterpreter) + if (!ExportFunctionDefinitionToInterpreter(auto_generated_class).Success()) + return false; + + // Store the name of the auto-generated class + + output.assign(auto_generated_class_name); + return true; } -StructuredData::DictionarySP -ScriptInterpreterPython::OSPlugin_RegisterInfo(StructuredData::ObjectSP os_plugin_object_sp) -{ - Locker py_lock(this, - Locker::AcquireLock | Locker::NoSTDIN, +StructuredData::GenericSP ScriptInterpreterPython::OSPlugin_CreatePluginObject( + const char *class_name, lldb::ProcessSP process_sp) { + if (class_name == nullptr || class_name[0] == '\0') + return StructuredData::GenericSP(); + + if (!process_sp) + return StructuredData::GenericSP(); + + void *ret_val; + + { + Locker py_lock(this, Locker::AcquireLock | Locker::NoSTDIN, Locker::FreeLock); - - static char callee_name[] = "get_register_info"; - - if (!os_plugin_object_sp) - return StructuredData::DictionarySP(); + ret_val = g_swig_create_os_plugin(class_name, m_dictionary_name.c_str(), + process_sp); + } - StructuredData::Generic *generic = os_plugin_object_sp->GetAsGeneric(); - if (!generic) - return nullptr; + return StructuredData::GenericSP(new StructuredPythonObject(ret_val)); +} - PythonObject implementor(PyRefType::Borrowed, (PyObject *)generic->GetValue()); +StructuredData::DictionarySP ScriptInterpreterPython::OSPlugin_RegisterInfo( + StructuredData::ObjectSP os_plugin_object_sp) { + Locker py_lock(this, Locker::AcquireLock | Locker::NoSTDIN, Locker::FreeLock); - if (!implementor.IsAllocated()) - return StructuredData::DictionarySP(); + static char callee_name[] = "get_register_info"; - PythonObject pmeth(PyRefType::Owned, PyObject_GetAttrString(implementor.get(), callee_name)); + if (!os_plugin_object_sp) + return StructuredData::DictionarySP(); - if (PyErr_Occurred()) - PyErr_Clear(); + StructuredData::Generic *generic = os_plugin_object_sp->GetAsGeneric(); + if (!generic) + return nullptr; - if (!pmeth.IsAllocated()) - return StructuredData::DictionarySP(); - - if (PyCallable_Check(pmeth.get()) == 0) - { - if (PyErr_Occurred()) - PyErr_Clear(); - - return StructuredData::DictionarySP(); - } - - if (PyErr_Occurred()) - PyErr_Clear(); - - // right now we know this function exists and is callable.. - PythonObject py_return(PyRefType::Owned, PyObject_CallMethod(implementor.get(), callee_name, nullptr)); + PythonObject implementor(PyRefType::Borrowed, + (PyObject *)generic->GetValue()); - // if it fails, print the error but otherwise go on + if (!implementor.IsAllocated()) + return StructuredData::DictionarySP(); + + PythonObject pmeth(PyRefType::Owned, + PyObject_GetAttrString(implementor.get(), callee_name)); + + if (PyErr_Occurred()) + PyErr_Clear(); + + if (!pmeth.IsAllocated()) + return StructuredData::DictionarySP(); + + if (PyCallable_Check(pmeth.get()) == 0) { if (PyErr_Occurred()) - { - PyErr_Print(); - PyErr_Clear(); - } - if (py_return.get()) - { - PythonDictionary result_dict(PyRefType::Borrowed, py_return.get()); - return result_dict.CreateStructuredDictionary(); - } + PyErr_Clear(); + return StructuredData::DictionarySP(); + } + + if (PyErr_Occurred()) + PyErr_Clear(); + + // right now we know this function exists and is callable.. + PythonObject py_return( + PyRefType::Owned, + PyObject_CallMethod(implementor.get(), callee_name, nullptr)); + + // if it fails, print the error but otherwise go on + if (PyErr_Occurred()) { + PyErr_Print(); + PyErr_Clear(); + } + if (py_return.get()) { + PythonDictionary result_dict(PyRefType::Borrowed, py_return.get()); + return result_dict.CreateStructuredDictionary(); + } + return StructuredData::DictionarySP(); } -StructuredData::ArraySP -ScriptInterpreterPython::OSPlugin_ThreadsInfo(StructuredData::ObjectSP os_plugin_object_sp) -{ - Locker py_lock (this, - Locker::AcquireLock | Locker::NoSTDIN, - Locker::FreeLock); +StructuredData::ArraySP ScriptInterpreterPython::OSPlugin_ThreadsInfo( + StructuredData::ObjectSP os_plugin_object_sp) { + Locker py_lock(this, Locker::AcquireLock | Locker::NoSTDIN, Locker::FreeLock); - static char callee_name[] = "get_thread_info"; + static char callee_name[] = "get_thread_info"; - if (!os_plugin_object_sp) - return StructuredData::ArraySP(); + if (!os_plugin_object_sp) + return StructuredData::ArraySP(); - StructuredData::Generic *generic = os_plugin_object_sp->GetAsGeneric(); - if (!generic) - return nullptr; + StructuredData::Generic *generic = os_plugin_object_sp->GetAsGeneric(); + if (!generic) + return nullptr; - PythonObject implementor(PyRefType::Borrowed, (PyObject *)generic->GetValue()); + PythonObject implementor(PyRefType::Borrowed, + (PyObject *)generic->GetValue()); - if (!implementor.IsAllocated()) - return StructuredData::ArraySP(); + if (!implementor.IsAllocated()) + return StructuredData::ArraySP(); - PythonObject pmeth(PyRefType::Owned, PyObject_GetAttrString(implementor.get(), callee_name)); + PythonObject pmeth(PyRefType::Owned, + PyObject_GetAttrString(implementor.get(), callee_name)); - if (PyErr_Occurred()) - PyErr_Clear(); + if (PyErr_Occurred()) + PyErr_Clear(); - if (!pmeth.IsAllocated()) - return StructuredData::ArraySP(); - - if (PyCallable_Check(pmeth.get()) == 0) - { - if (PyErr_Occurred()) - PyErr_Clear(); - - return StructuredData::ArraySP(); - } - - if (PyErr_Occurred()) - PyErr_Clear(); - - // right now we know this function exists and is callable.. - PythonObject py_return(PyRefType::Owned, PyObject_CallMethod(implementor.get(), callee_name, nullptr)); + if (!pmeth.IsAllocated()) + return StructuredData::ArraySP(); - // if it fails, print the error but otherwise go on + if (PyCallable_Check(pmeth.get()) == 0) { if (PyErr_Occurred()) - { - PyErr_Print(); - PyErr_Clear(); - } + PyErr_Clear(); - if (py_return.get()) - { - PythonList result_list(PyRefType::Borrowed, py_return.get()); - return result_list.CreateStructuredArray(); - } return StructuredData::ArraySP(); + } + + if (PyErr_Occurred()) + PyErr_Clear(); + + // right now we know this function exists and is callable.. + PythonObject py_return( + PyRefType::Owned, + PyObject_CallMethod(implementor.get(), callee_name, nullptr)); + + // 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()); + return result_list.CreateStructuredArray(); + } + return StructuredData::ArraySP(); } // GetPythonValueFormatString provides a system independent type safe way to @@ -1623,1620 +1599,1593 @@ ScriptInterpreterPython::OSPlugin_ThreadsInfo(StructuredData::ObjectSP os_plugin // as the underlying typedef for uint* types, size_t, off_t and other values // change. -template <typename T> -const char *GetPythonValueFormatString(T t) -{ - assert(!"Unhandled type passed to GetPythonValueFormatString(T), make a specialization of GetPythonValueFormatString() to support this type."); - return nullptr; +template <typename T> const char *GetPythonValueFormatString(T t); +template <> const char *GetPythonValueFormatString(char *) { return "s"; } +template <> const char *GetPythonValueFormatString(char) { return "b"; } +template <> const char *GetPythonValueFormatString(unsigned char) { + return "B"; } -template <> const char *GetPythonValueFormatString (char *) { return "s"; } -template <> const char *GetPythonValueFormatString (char) { return "b"; } -template <> const char *GetPythonValueFormatString (unsigned char) { return "B"; } -template <> const char *GetPythonValueFormatString (short) { return "h"; } -template <> const char *GetPythonValueFormatString (unsigned short) { return "H"; } -template <> const char *GetPythonValueFormatString (int) { return "i"; } -template <> const char *GetPythonValueFormatString (unsigned int) { return "I"; } -template <> const char *GetPythonValueFormatString (long) { return "l"; } -template <> const char *GetPythonValueFormatString (unsigned long) { return "k"; } -template <> const char *GetPythonValueFormatString (long long) { return "L"; } -template <> const char *GetPythonValueFormatString (unsigned long long) { return "K"; } -template <> const char *GetPythonValueFormatString (float t) { return "f"; } -template <> const char *GetPythonValueFormatString (double t) { return "d"; } - -StructuredData::StringSP -ScriptInterpreterPython::OSPlugin_RegisterContextData(StructuredData::ObjectSP os_plugin_object_sp, lldb::tid_t tid) -{ - Locker py_lock (this, - Locker::AcquireLock | Locker::NoSTDIN, - Locker::FreeLock); - - static char callee_name[] = "get_register_data"; - static char *param_format = const_cast<char *>(GetPythonValueFormatString(tid)); - - if (!os_plugin_object_sp) - return StructuredData::StringSP(); - - StructuredData::Generic *generic = os_plugin_object_sp->GetAsGeneric(); - if (!generic) - return nullptr; - PythonObject implementor(PyRefType::Borrowed, (PyObject *)generic->GetValue()); - - if (!implementor.IsAllocated()) - return StructuredData::StringSP(); - - PythonObject pmeth(PyRefType::Owned, PyObject_GetAttrString(implementor.get(), callee_name)); +template <> const char *GetPythonValueFormatString(short) { return "h"; } +template <> const char *GetPythonValueFormatString(unsigned short) { + return "H"; +} +template <> const char *GetPythonValueFormatString(int) { return "i"; } +template <> const char *GetPythonValueFormatString(unsigned int) { return "I"; } +template <> const char *GetPythonValueFormatString(long) { return "l"; } +template <> const char *GetPythonValueFormatString(unsigned long) { + return "k"; +} +template <> const char *GetPythonValueFormatString(long long) { return "L"; } +template <> const char *GetPythonValueFormatString(unsigned long long) { + return "K"; +} +template <> const char *GetPythonValueFormatString(float t) { return "f"; } +template <> const char *GetPythonValueFormatString(double t) { return "d"; } - if (PyErr_Occurred()) - PyErr_Clear(); +StructuredData::StringSP ScriptInterpreterPython::OSPlugin_RegisterContextData( + StructuredData::ObjectSP os_plugin_object_sp, lldb::tid_t tid) { + Locker py_lock(this, Locker::AcquireLock | Locker::NoSTDIN, Locker::FreeLock); - if (!pmeth.IsAllocated()) - return StructuredData::StringSP(); - - if (PyCallable_Check(pmeth.get()) == 0) - { - if (PyErr_Occurred()) - PyErr_Clear(); - return StructuredData::StringSP(); - } - - if (PyErr_Occurred()) - PyErr_Clear(); - - // right now we know this function exists and is callable.. - PythonObject py_return(PyRefType::Owned, PyObject_CallMethod(implementor.get(), callee_name, param_format, tid)); + static char callee_name[] = "get_register_data"; + static char *param_format = + const_cast<char *>(GetPythonValueFormatString(tid)); - // if it fails, print the error but otherwise go on - if (PyErr_Occurred()) - { - PyErr_Print(); - PyErr_Clear(); - } + if (!os_plugin_object_sp) + return StructuredData::StringSP(); - if (py_return.get()) - { - PythonBytes result(PyRefType::Borrowed, py_return.get()); - return result.CreateStructuredString(); - } + StructuredData::Generic *generic = os_plugin_object_sp->GetAsGeneric(); + if (!generic) + return nullptr; + PythonObject implementor(PyRefType::Borrowed, + (PyObject *)generic->GetValue()); + + if (!implementor.IsAllocated()) + return StructuredData::StringSP(); + + PythonObject pmeth(PyRefType::Owned, + PyObject_GetAttrString(implementor.get(), callee_name)); + + if (PyErr_Occurred()) + PyErr_Clear(); + + if (!pmeth.IsAllocated()) return StructuredData::StringSP(); + + if (PyCallable_Check(pmeth.get()) == 0) { + if (PyErr_Occurred()) + PyErr_Clear(); + return StructuredData::StringSP(); + } + + if (PyErr_Occurred()) + PyErr_Clear(); + + // right now we know this function exists and is callable.. + PythonObject py_return( + PyRefType::Owned, + PyObject_CallMethod(implementor.get(), callee_name, param_format, tid)); + + // if it fails, print the error but otherwise go on + if (PyErr_Occurred()) { + PyErr_Print(); + PyErr_Clear(); + } + + if (py_return.get()) { + PythonBytes result(PyRefType::Borrowed, py_return.get()); + return result.CreateStructuredString(); + } + return StructuredData::StringSP(); } -StructuredData::DictionarySP -ScriptInterpreterPython::OSPlugin_CreateThread(StructuredData::ObjectSP os_plugin_object_sp, lldb::tid_t tid, lldb::addr_t context) -{ - Locker py_lock(this, - Locker::AcquireLock | Locker::NoSTDIN, - Locker::FreeLock); - - static char callee_name[] = "create_thread"; - std::string param_format; - param_format += GetPythonValueFormatString(tid); - param_format += GetPythonValueFormatString(context); - - if (!os_plugin_object_sp) - return StructuredData::DictionarySP(); +StructuredData::DictionarySP ScriptInterpreterPython::OSPlugin_CreateThread( + StructuredData::ObjectSP os_plugin_object_sp, lldb::tid_t tid, + lldb::addr_t context) { + Locker py_lock(this, Locker::AcquireLock | Locker::NoSTDIN, Locker::FreeLock); - StructuredData::Generic *generic = os_plugin_object_sp->GetAsGeneric(); - if (!generic) - return nullptr; + static char callee_name[] = "create_thread"; + std::string param_format; + param_format += GetPythonValueFormatString(tid); + param_format += GetPythonValueFormatString(context); - PythonObject implementor(PyRefType::Borrowed, (PyObject *)generic->GetValue()); + if (!os_plugin_object_sp) + return StructuredData::DictionarySP(); - if (!implementor.IsAllocated()) - return StructuredData::DictionarySP(); + StructuredData::Generic *generic = os_plugin_object_sp->GetAsGeneric(); + if (!generic) + return nullptr; - PythonObject pmeth(PyRefType::Owned, PyObject_GetAttrString(implementor.get(), callee_name)); + PythonObject implementor(PyRefType::Borrowed, + (PyObject *)generic->GetValue()); - if (PyErr_Occurred()) - PyErr_Clear(); + if (!implementor.IsAllocated()) + return StructuredData::DictionarySP(); - if (!pmeth.IsAllocated()) - return StructuredData::DictionarySP(); - - if (PyCallable_Check(pmeth.get()) == 0) - { - if (PyErr_Occurred()) - PyErr_Clear(); - return StructuredData::DictionarySP(); - } - - if (PyErr_Occurred()) - PyErr_Clear(); - - // right now we know this function exists and is callable.. - PythonObject py_return(PyRefType::Owned, PyObject_CallMethod(implementor.get(), callee_name, ¶m_format[0], tid, context)); + PythonObject pmeth(PyRefType::Owned, + PyObject_GetAttrString(implementor.get(), callee_name)); - // if it fails, print the error but otherwise go on - if (PyErr_Occurred()) - { - PyErr_Print(); - PyErr_Clear(); - } + if (PyErr_Occurred()) + PyErr_Clear(); - if (py_return.get()) - { - PythonDictionary result_dict(PyRefType::Borrowed, py_return.get()); - return result_dict.CreateStructuredDictionary(); - } + if (!pmeth.IsAllocated()) + return StructuredData::DictionarySP(); + + if (PyCallable_Check(pmeth.get()) == 0) { + if (PyErr_Occurred()) + PyErr_Clear(); return StructuredData::DictionarySP(); + } + + if (PyErr_Occurred()) + PyErr_Clear(); + + // right now we know this function exists and is callable.. + PythonObject py_return(PyRefType::Owned, + PyObject_CallMethod(implementor.get(), callee_name, + ¶m_format[0], tid, context)); + + // if it fails, print the error but otherwise go on + if (PyErr_Occurred()) { + PyErr_Print(); + PyErr_Clear(); + } + + if (py_return.get()) { + PythonDictionary result_dict(PyRefType::Borrowed, py_return.get()); + return result_dict.CreateStructuredDictionary(); + } + return StructuredData::DictionarySP(); } -StructuredData::ObjectSP -ScriptInterpreterPython::CreateScriptedThreadPlan(const char *class_name, lldb::ThreadPlanSP thread_plan_sp) -{ - if (class_name == nullptr || class_name[0] == '\0') - return StructuredData::ObjectSP(); +StructuredData::ObjectSP ScriptInterpreterPython::CreateScriptedThreadPlan( + const char *class_name, lldb::ThreadPlanSP thread_plan_sp) { + if (class_name == nullptr || class_name[0] == '\0') + return StructuredData::ObjectSP(); - if (!thread_plan_sp.get()) - return StructuredData::ObjectSP(); + if (!thread_plan_sp.get()) + return StructuredData::ObjectSP(); - Debugger &debugger = thread_plan_sp->GetTarget().GetDebugger(); - ScriptInterpreter *script_interpreter = debugger.GetCommandInterpreter().GetScriptInterpreter(); - ScriptInterpreterPython *python_interpreter = static_cast<ScriptInterpreterPython *>(script_interpreter); - - if (!script_interpreter) - return StructuredData::ObjectSP(); + Debugger &debugger = thread_plan_sp->GetTarget().GetDebugger(); + ScriptInterpreter *script_interpreter = + debugger.GetCommandInterpreter().GetScriptInterpreter(); + ScriptInterpreterPython *python_interpreter = + static_cast<ScriptInterpreterPython *>(script_interpreter); - void* ret_val; + if (!script_interpreter) + return StructuredData::ObjectSP(); - { - Locker py_lock(this, Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); - - ret_val = g_swig_thread_plan_script (class_name, - python_interpreter->m_dictionary_name.c_str(), - thread_plan_sp); - } + void *ret_val; - return StructuredData::ObjectSP(new StructuredPythonObject(ret_val)); -} + { + Locker py_lock(this, + Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); -bool -ScriptInterpreterPython::ScriptedThreadPlanExplainsStop(StructuredData::ObjectSP implementor_sp, Event *event, bool &script_error) -{ - bool explains_stop = true; - StructuredData::Generic *generic = nullptr; - if (implementor_sp) - generic = implementor_sp->GetAsGeneric(); - if (generic) - { - Locker py_lock(this, Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); - explains_stop = g_swig_call_thread_plan(generic->GetValue(), "explains_stop", event, script_error); - if (script_error) - return true; - } - return explains_stop; -} + ret_val = g_swig_thread_plan_script( + class_name, python_interpreter->m_dictionary_name.c_str(), + thread_plan_sp); + } -bool -ScriptInterpreterPython::ScriptedThreadPlanShouldStop(StructuredData::ObjectSP implementor_sp, Event *event, bool &script_error) -{ - bool should_stop = true; - StructuredData::Generic *generic = nullptr; - if (implementor_sp) - generic = implementor_sp->GetAsGeneric(); - if (generic) - { - Locker py_lock(this, Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); - should_stop = g_swig_call_thread_plan(generic->GetValue(), "should_stop", event, script_error); - if (script_error) - return true; - } - return should_stop; + return StructuredData::ObjectSP(new StructuredPythonObject(ret_val)); } -lldb::StateType -ScriptInterpreterPython::ScriptedThreadPlanGetRunState(StructuredData::ObjectSP implementor_sp, bool &script_error) -{ - bool should_step = false; - StructuredData::Generic *generic = nullptr; - if (implementor_sp) - generic = implementor_sp->GetAsGeneric(); - if (generic) - { - Locker py_lock(this, Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); - should_step = g_swig_call_thread_plan(generic->GetValue(), "should_step", NULL, script_error); - if (script_error) - should_step = true; - } - if (should_step) - return lldb::eStateStepping; - else - return lldb::eStateRunning; +bool ScriptInterpreterPython::ScriptedThreadPlanExplainsStop( + StructuredData::ObjectSP implementor_sp, Event *event, bool &script_error) { + bool explains_stop = true; + StructuredData::Generic *generic = nullptr; + if (implementor_sp) + generic = implementor_sp->GetAsGeneric(); + if (generic) { + Locker py_lock(this, + Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); + explains_stop = g_swig_call_thread_plan( + generic->GetValue(), "explains_stop", event, script_error); + if (script_error) + return true; + } + return explains_stop; +} + +bool ScriptInterpreterPython::ScriptedThreadPlanShouldStop( + StructuredData::ObjectSP implementor_sp, Event *event, bool &script_error) { + bool should_stop = true; + StructuredData::Generic *generic = nullptr; + if (implementor_sp) + generic = implementor_sp->GetAsGeneric(); + if (generic) { + Locker py_lock(this, + Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); + should_stop = g_swig_call_thread_plan(generic->GetValue(), "should_stop", + event, script_error); + if (script_error) + return true; + } + return should_stop; +} + +bool ScriptInterpreterPython::ScriptedThreadPlanIsStale( + StructuredData::ObjectSP implementor_sp, bool &script_error) { + bool is_stale = true; + StructuredData::Generic *generic = nullptr; + if (implementor_sp) + generic = implementor_sp->GetAsGeneric(); + if (generic) { + Locker py_lock(this, + Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); + is_stale = g_swig_call_thread_plan(generic->GetValue(), "is_stale", nullptr, + script_error); + if (script_error) + return true; + } + return is_stale; +} + +lldb::StateType ScriptInterpreterPython::ScriptedThreadPlanGetRunState( + StructuredData::ObjectSP implementor_sp, bool &script_error) { + bool should_step = false; + StructuredData::Generic *generic = nullptr; + if (implementor_sp) + generic = implementor_sp->GetAsGeneric(); + if (generic) { + Locker py_lock(this, + Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); + should_step = g_swig_call_thread_plan(generic->GetValue(), "should_step", + NULL, script_error); + if (script_error) + should_step = true; + } + if (should_step) + return lldb::eStateStepping; + else + return lldb::eStateRunning; } StructuredData::ObjectSP -ScriptInterpreterPython::LoadPluginModule(const FileSpec &file_spec, lldb_private::Error &error) -{ - if (!file_spec.Exists()) - { - error.SetErrorString("no such file"); - return StructuredData::ObjectSP(); - } +ScriptInterpreterPython::LoadPluginModule(const FileSpec &file_spec, + lldb_private::Error &error) { + if (!file_spec.Exists()) { + error.SetErrorString("no such file"); + return StructuredData::ObjectSP(); + } - StructuredData::ObjectSP module_sp; + StructuredData::ObjectSP module_sp; - if (LoadScriptingModule(file_spec.GetPath().c_str(),true,true,error,&module_sp)) - return module_sp; + if (LoadScriptingModule(file_spec.GetPath().c_str(), true, true, error, + &module_sp)) + return module_sp; - return StructuredData::ObjectSP(); + return StructuredData::ObjectSP(); } -StructuredData::DictionarySP -ScriptInterpreterPython::GetDynamicSettings(StructuredData::ObjectSP plugin_module_sp, Target *target, const char *setting_name, - lldb_private::Error &error) -{ - if (!plugin_module_sp || !target || !setting_name || !setting_name[0] || !g_swig_plugin_get) - return StructuredData::DictionarySP(); - StructuredData::Generic *generic = plugin_module_sp->GetAsGeneric(); - if (!generic) - return StructuredData::DictionarySP(); +StructuredData::DictionarySP ScriptInterpreterPython::GetDynamicSettings( + StructuredData::ObjectSP plugin_module_sp, Target *target, + const char *setting_name, lldb_private::Error &error) { + if (!plugin_module_sp || !target || !setting_name || !setting_name[0] || + !g_swig_plugin_get) + return StructuredData::DictionarySP(); + StructuredData::Generic *generic = plugin_module_sp->GetAsGeneric(); + if (!generic) + return StructuredData::DictionarySP(); - PythonObject reply_pyobj; - { - Locker py_lock(this, Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); - TargetSP target_sp(target->shared_from_this()); - reply_pyobj.Reset(PyRefType::Owned, - (PyObject *)g_swig_plugin_get(generic->GetValue(), setting_name, target_sp)); - } + PythonObject reply_pyobj; + { + Locker py_lock(this, + Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); + TargetSP target_sp(target->shared_from_this()); + reply_pyobj.Reset(PyRefType::Owned, + (PyObject *)g_swig_plugin_get(generic->GetValue(), + setting_name, target_sp)); + } - PythonDictionary py_dict(PyRefType::Borrowed, reply_pyobj.get()); - return py_dict.CreateStructuredDictionary(); + PythonDictionary py_dict(PyRefType::Borrowed, reply_pyobj.get()); + return py_dict.CreateStructuredDictionary(); } StructuredData::ObjectSP -ScriptInterpreterPython::CreateSyntheticScriptedProvider(const char *class_name, lldb::ValueObjectSP valobj) -{ - if (class_name == nullptr || class_name[0] == '\0') - return StructuredData::ObjectSP(); +ScriptInterpreterPython::CreateSyntheticScriptedProvider( + const char *class_name, lldb::ValueObjectSP valobj) { + if (class_name == nullptr || class_name[0] == '\0') + return StructuredData::ObjectSP(); - if (!valobj.get()) - return StructuredData::ObjectSP(); + if (!valobj.get()) + return StructuredData::ObjectSP(); - ExecutionContext exe_ctx (valobj->GetExecutionContextRef()); - Target *target = exe_ctx.GetTargetPtr(); - - if (!target) - return StructuredData::ObjectSP(); + ExecutionContext exe_ctx(valobj->GetExecutionContextRef()); + Target *target = exe_ctx.GetTargetPtr(); - Debugger &debugger = target->GetDebugger(); - ScriptInterpreter *script_interpreter = debugger.GetCommandInterpreter().GetScriptInterpreter(); - ScriptInterpreterPython *python_interpreter = (ScriptInterpreterPython *) script_interpreter; - - if (!script_interpreter) - return StructuredData::ObjectSP(); + if (!target) + return StructuredData::ObjectSP(); - void *ret_val = nullptr; + Debugger &debugger = target->GetDebugger(); + ScriptInterpreter *script_interpreter = + debugger.GetCommandInterpreter().GetScriptInterpreter(); + ScriptInterpreterPython *python_interpreter = + (ScriptInterpreterPython *)script_interpreter; - { - Locker py_lock(this, Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); - ret_val = g_swig_synthetic_script (class_name, - python_interpreter->m_dictionary_name.c_str(), - valobj); - } + if (!script_interpreter) + return StructuredData::ObjectSP(); + + void *ret_val = nullptr; + + { + Locker py_lock(this, + Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); + ret_val = g_swig_synthetic_script( + class_name, python_interpreter->m_dictionary_name.c_str(), valobj); + } - return StructuredData::ObjectSP(new StructuredPythonObject(ret_val)); + return StructuredData::ObjectSP(new StructuredPythonObject(ret_val)); } StructuredData::GenericSP -ScriptInterpreterPython::CreateScriptCommandObject (const char *class_name) -{ - DebuggerSP debugger_sp(GetCommandInterpreter().GetDebugger().shared_from_this()); - - if (class_name == nullptr || class_name[0] == '\0') - return StructuredData::GenericSP(); - - if (!debugger_sp.get()) - return StructuredData::GenericSP(); - - void* ret_val; - - { - Locker py_lock(this, Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); - ret_val = g_swig_create_cmd (class_name, - m_dictionary_name.c_str(), - debugger_sp); - } - - return StructuredData::GenericSP(new StructuredPythonObject(ret_val)); +ScriptInterpreterPython::CreateScriptCommandObject(const char *class_name) { + DebuggerSP debugger_sp( + GetCommandInterpreter().GetDebugger().shared_from_this()); + + if (class_name == nullptr || class_name[0] == '\0') + return StructuredData::GenericSP(); + + if (!debugger_sp.get()) + return StructuredData::GenericSP(); + + void *ret_val; + + { + Locker py_lock(this, + Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); + ret_val = + g_swig_create_cmd(class_name, m_dictionary_name.c_str(), debugger_sp); + } + + return StructuredData::GenericSP(new StructuredPythonObject(ret_val)); } -bool -ScriptInterpreterPython::GenerateTypeScriptFunction (const char* oneliner, std::string& output, const void* name_token) -{ - StringList input; - input.SplitIntoLines(oneliner, strlen(oneliner)); - return GenerateTypeScriptFunction(input, output, name_token); +bool ScriptInterpreterPython::GenerateTypeScriptFunction( + const char *oneliner, std::string &output, const void *name_token) { + StringList input; + input.SplitIntoLines(oneliner, strlen(oneliner)); + return GenerateTypeScriptFunction(input, output, name_token); } -bool -ScriptInterpreterPython::GenerateTypeSynthClass (const char* oneliner, std::string& output, const void* name_token) -{ - StringList input; - input.SplitIntoLines(oneliner, strlen(oneliner)); - return GenerateTypeSynthClass(input, output, name_token); +bool ScriptInterpreterPython::GenerateTypeSynthClass(const char *oneliner, + std::string &output, + const void *name_token) { + StringList input; + input.SplitIntoLines(oneliner, strlen(oneliner)); + return GenerateTypeSynthClass(input, output, name_token); } +Error ScriptInterpreterPython::GenerateBreakpointCommandCallbackData( + StringList &user_input, std::string &output) { + static uint32_t num_created_functions = 0; + user_input.RemoveBlankLines(); + StreamString sstr; + Error error; + if (user_input.GetSize() == 0) { + error.SetErrorString("No input data."); + return error; + } -Error -ScriptInterpreterPython::GenerateBreakpointCommandCallbackData (StringList &user_input, std::string& output) -{ - static uint32_t num_created_functions = 0; - user_input.RemoveBlankLines (); - StreamString sstr; - Error error; - if (user_input.GetSize() == 0) - { - error.SetErrorString("No input data."); - return error; - } + std::string auto_generated_function_name(GenerateUniqueName( + "lldb_autogen_python_bp_callback_func_", num_created_functions)); + sstr.Printf("def %s (frame, bp_loc, internal_dict):", + auto_generated_function_name.c_str()); - std::string auto_generated_function_name(GenerateUniqueName("lldb_autogen_python_bp_callback_func_",num_created_functions)); - sstr.Printf ("def %s (frame, bp_loc, internal_dict):", auto_generated_function_name.c_str()); - - error = GenerateFunction(sstr.GetData(), user_input); - if (!error.Success()) - return error; - - // Store the name of the auto-generated function to be called. - output.assign(auto_generated_function_name); + error = GenerateFunction(sstr.GetData(), user_input); + if (!error.Success()) return error; + + // Store the name of the auto-generated function to be called. + output.assign(auto_generated_function_name); + return error; } -bool -ScriptInterpreterPython::GenerateWatchpointCommandCallbackData (StringList &user_input, std::string& output) -{ - static uint32_t num_created_functions = 0; - user_input.RemoveBlankLines (); - StreamString sstr; +bool ScriptInterpreterPython::GenerateWatchpointCommandCallbackData( + StringList &user_input, std::string &output) { + static uint32_t num_created_functions = 0; + user_input.RemoveBlankLines(); + StreamString sstr; - if (user_input.GetSize() == 0) - return false; + if (user_input.GetSize() == 0) + return false; - std::string auto_generated_function_name(GenerateUniqueName("lldb_autogen_python_wp_callback_func_",num_created_functions)); - sstr.Printf ("def %s (frame, wp, internal_dict):", auto_generated_function_name.c_str()); - - if (!GenerateFunction(sstr.GetData(), user_input).Success()) - return false; - - // Store the name of the auto-generated function to be called. - output.assign(auto_generated_function_name); - return true; + std::string auto_generated_function_name(GenerateUniqueName( + "lldb_autogen_python_wp_callback_func_", num_created_functions)); + sstr.Printf("def %s (frame, wp, internal_dict):", + auto_generated_function_name.c_str()); + + if (!GenerateFunction(sstr.GetData(), user_input).Success()) + return false; + + // Store the name of the auto-generated function to be called. + output.assign(auto_generated_function_name); + return true; } -bool -ScriptInterpreterPython::GetScriptedSummary(const char *python_function_name, lldb::ValueObjectSP valobj, - StructuredData::ObjectSP &callee_wrapper_sp, const TypeSummaryOptions &options, - std::string &retval) -{ - - Timer scoped_timer (__PRETTY_FUNCTION__, __PRETTY_FUNCTION__); - - if (!valobj.get()) - { - retval.assign("<no object>"); - return false; - } +bool ScriptInterpreterPython::GetScriptedSummary( + const char *python_function_name, lldb::ValueObjectSP valobj, + StructuredData::ObjectSP &callee_wrapper_sp, + const TypeSummaryOptions &options, std::string &retval) { - void *old_callee = nullptr; - StructuredData::Generic *generic = nullptr; - if (callee_wrapper_sp) - { - generic = callee_wrapper_sp->GetAsGeneric(); - if (generic) - old_callee = generic->GetValue(); - } - void* new_callee = old_callee; - - bool ret_val; - if (python_function_name && *python_function_name) - { - { - Locker py_lock(this, Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); - { - TypeSummaryOptionsSP options_sp(new TypeSummaryOptions(options)); - - Timer scoped_timer ("g_swig_typescript_callback","g_swig_typescript_callback"); - ret_val = g_swig_typescript_callback (python_function_name, - GetSessionDictionary().get(), - valobj, - &new_callee, - options_sp, - retval); - } - } - } - else - { - retval.assign("<no function name>"); - return false; - } - - if (new_callee && old_callee != new_callee) - callee_wrapper_sp.reset(new StructuredPythonObject(new_callee)); + Timer scoped_timer(LLVM_PRETTY_FUNCTION, LLVM_PRETTY_FUNCTION); - return ret_val; + if (!valobj.get()) { + retval.assign("<no object>"); + return false; + } + + void *old_callee = nullptr; + StructuredData::Generic *generic = nullptr; + if (callee_wrapper_sp) { + generic = callee_wrapper_sp->GetAsGeneric(); + if (generic) + old_callee = generic->GetValue(); + } + void *new_callee = old_callee; + + bool ret_val; + if (python_function_name && *python_function_name) { + { + Locker py_lock(this, Locker::AcquireLock | Locker::InitSession | + Locker::NoSTDIN); + { + TypeSummaryOptionsSP options_sp(new TypeSummaryOptions(options)); + + Timer scoped_timer("g_swig_typescript_callback", + "g_swig_typescript_callback"); + ret_val = g_swig_typescript_callback( + python_function_name, GetSessionDictionary().get(), valobj, + &new_callee, options_sp, retval); + } + } + } else { + retval.assign("<no function name>"); + return false; + } + + if (new_callee && old_callee != new_callee) + callee_wrapper_sp.reset(new StructuredPythonObject(new_callee)); + + return ret_val; } -void -ScriptInterpreterPython::Clear () -{ - // Release any global variables that might have strong references to - // LLDB objects when clearing the python script interpreter. - Locker locker(this, - ScriptInterpreterPython::Locker::AcquireLock, - ScriptInterpreterPython::Locker::FreeAcquiredLock); - - // This may be called as part of Py_Finalize. In that case the modules are destroyed in random - // order and we can't guarantee that we can access these. - if (Py_IsInitialized()) - PyRun_SimpleString("lldb.debugger = None; lldb.target = None; lldb.process = None; lldb.thread = None; lldb.frame = None"); -} - -bool -ScriptInterpreterPython::BreakpointCallbackFunction -( - void *baton, - StoppointCallbackContext *context, - user_id_t break_id, - user_id_t break_loc_id -) -{ - BreakpointOptions::CommandData *bp_option_data = (BreakpointOptions::CommandData *) baton; - const char *python_function_name = bp_option_data->script_source.c_str(); - - if (!context) - return true; - - ExecutionContext exe_ctx (context->exe_ctx_ref); - Target *target = exe_ctx.GetTargetPtr(); - - if (!target) - return true; - - Debugger &debugger = target->GetDebugger(); - ScriptInterpreter *script_interpreter = debugger.GetCommandInterpreter().GetScriptInterpreter(); - ScriptInterpreterPython *python_interpreter = (ScriptInterpreterPython *) script_interpreter; - - if (!script_interpreter) - return true; - - if (python_function_name && python_function_name[0]) - { - const StackFrameSP stop_frame_sp (exe_ctx.GetFrameSP()); - BreakpointSP breakpoint_sp = target->GetBreakpointByID (break_id); - if (breakpoint_sp) +void ScriptInterpreterPython::Clear() { + // Release any global variables that might have strong references to + // LLDB objects when clearing the python script interpreter. + Locker locker(this, ScriptInterpreterPython::Locker::AcquireLock, + ScriptInterpreterPython::Locker::FreeAcquiredLock); + + // This may be called as part of Py_Finalize. In that case the modules are + // destroyed in random + // order and we can't guarantee that we can access these. + if (Py_IsInitialized()) + PyRun_SimpleString("lldb.debugger = None; lldb.target = None; lldb.process " + "= None; lldb.thread = None; lldb.frame = None"); +} + +bool ScriptInterpreterPython::BreakpointCallbackFunction( + void *baton, StoppointCallbackContext *context, user_id_t break_id, + user_id_t break_loc_id) { + CommandDataPython *bp_option_data = (CommandDataPython *)baton; + const char *python_function_name = bp_option_data->script_source.c_str(); + + if (!context) + return true; + + ExecutionContext exe_ctx(context->exe_ctx_ref); + Target *target = exe_ctx.GetTargetPtr(); + + if (!target) + return true; + + Debugger &debugger = target->GetDebugger(); + ScriptInterpreter *script_interpreter = + debugger.GetCommandInterpreter().GetScriptInterpreter(); + ScriptInterpreterPython *python_interpreter = + (ScriptInterpreterPython *)script_interpreter; + + if (!script_interpreter) + return true; + + if (python_function_name && python_function_name[0]) { + const StackFrameSP stop_frame_sp(exe_ctx.GetFrameSP()); + BreakpointSP breakpoint_sp = target->GetBreakpointByID(break_id); + if (breakpoint_sp) { + const BreakpointLocationSP bp_loc_sp( + breakpoint_sp->FindLocationByID(break_loc_id)); + + if (stop_frame_sp && bp_loc_sp) { + bool ret_val = true; { - const BreakpointLocationSP bp_loc_sp (breakpoint_sp->FindLocationByID (break_loc_id)); - - if (stop_frame_sp && bp_loc_sp) - { - bool ret_val = true; - { - Locker py_lock(python_interpreter, Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); - ret_val = g_swig_breakpoint_callback (python_function_name, - python_interpreter->m_dictionary_name.c_str(), - stop_frame_sp, - bp_loc_sp); - } - return ret_val; - } + Locker py_lock(python_interpreter, Locker::AcquireLock | + Locker::InitSession | + Locker::NoSTDIN); + ret_val = g_swig_breakpoint_callback( + python_function_name, + python_interpreter->m_dictionary_name.c_str(), stop_frame_sp, + bp_loc_sp); } + return ret_val; + } } - // We currently always true so we stop in case anything goes wrong when - // trying to call the script function - return true; + } + // We currently always true so we stop in case anything goes wrong when + // trying to call the script function + return true; } -bool -ScriptInterpreterPython::WatchpointCallbackFunction -( - void *baton, - StoppointCallbackContext *context, - user_id_t watch_id -) -{ - WatchpointOptions::CommandData *wp_option_data = (WatchpointOptions::CommandData *) baton; - const char *python_function_name = wp_option_data->script_source.c_str(); - - if (!context) - return true; - - ExecutionContext exe_ctx (context->exe_ctx_ref); - Target *target = exe_ctx.GetTargetPtr(); - - if (!target) - return true; - - Debugger &debugger = target->GetDebugger(); - ScriptInterpreter *script_interpreter = debugger.GetCommandInterpreter().GetScriptInterpreter(); - ScriptInterpreterPython *python_interpreter = (ScriptInterpreterPython *) script_interpreter; - - if (!script_interpreter) - return true; - - if (python_function_name && python_function_name[0]) - { - const StackFrameSP stop_frame_sp (exe_ctx.GetFrameSP()); - WatchpointSP wp_sp = target->GetWatchpointList().FindByID (watch_id); - if (wp_sp) +bool ScriptInterpreterPython::WatchpointCallbackFunction( + void *baton, StoppointCallbackContext *context, user_id_t watch_id) { + WatchpointOptions::CommandData *wp_option_data = + (WatchpointOptions::CommandData *)baton; + const char *python_function_name = wp_option_data->script_source.c_str(); + + if (!context) + return true; + + ExecutionContext exe_ctx(context->exe_ctx_ref); + Target *target = exe_ctx.GetTargetPtr(); + + if (!target) + return true; + + Debugger &debugger = target->GetDebugger(); + ScriptInterpreter *script_interpreter = + debugger.GetCommandInterpreter().GetScriptInterpreter(); + ScriptInterpreterPython *python_interpreter = + (ScriptInterpreterPython *)script_interpreter; + + if (!script_interpreter) + return true; + + if (python_function_name && python_function_name[0]) { + const StackFrameSP stop_frame_sp(exe_ctx.GetFrameSP()); + WatchpointSP wp_sp = target->GetWatchpointList().FindByID(watch_id); + if (wp_sp) { + if (stop_frame_sp && wp_sp) { + bool ret_val = true; { - if (stop_frame_sp && wp_sp) - { - bool ret_val = true; - { - Locker py_lock(python_interpreter, Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); - ret_val = g_swig_watchpoint_callback (python_function_name, - python_interpreter->m_dictionary_name.c_str(), - stop_frame_sp, - wp_sp); - } - return ret_val; - } + Locker py_lock(python_interpreter, Locker::AcquireLock | + Locker::InitSession | + Locker::NoSTDIN); + ret_val = g_swig_watchpoint_callback( + python_function_name, + python_interpreter->m_dictionary_name.c_str(), stop_frame_sp, + wp_sp); } + return ret_val; + } } - // We currently always true so we stop in case anything goes wrong when - // trying to call the script function - return true; + } + // We currently always true so we stop in case anything goes wrong when + // trying to call the script function + return true; } -size_t -ScriptInterpreterPython::CalculateNumChildren(const StructuredData::ObjectSP &implementor_sp, uint32_t max) -{ - if (!implementor_sp) - return 0; - StructuredData::Generic *generic = implementor_sp->GetAsGeneric(); - if (!generic) - return 0; - void *implementor = generic->GetValue(); - if (!implementor) - return 0; - - if (!g_swig_calc_children) - return 0; - - size_t ret_val = 0; - - { - Locker py_lock(this, Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); - ret_val = g_swig_calc_children (implementor, max); - } - - return ret_val; +size_t ScriptInterpreterPython::CalculateNumChildren( + const StructuredData::ObjectSP &implementor_sp, uint32_t max) { + if (!implementor_sp) + return 0; + StructuredData::Generic *generic = implementor_sp->GetAsGeneric(); + if (!generic) + return 0; + void *implementor = generic->GetValue(); + if (!implementor) + return 0; + + if (!g_swig_calc_children) + return 0; + + size_t ret_val = 0; + + { + Locker py_lock(this, + Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); + ret_val = g_swig_calc_children(implementor, max); + } + + return ret_val; } -lldb::ValueObjectSP -ScriptInterpreterPython::GetChildAtIndex(const StructuredData::ObjectSP &implementor_sp, uint32_t idx) -{ - if (!implementor_sp) - return lldb::ValueObjectSP(); - - StructuredData::Generic *generic = implementor_sp->GetAsGeneric(); - if (!generic) - return lldb::ValueObjectSP(); - void *implementor = generic->GetValue(); - if (!implementor) - return lldb::ValueObjectSP(); - - if (!g_swig_get_child_index || !g_swig_cast_to_sbvalue) - return lldb::ValueObjectSP(); - - lldb::ValueObjectSP ret_val; - - { - Locker py_lock(this, Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); - void* child_ptr = g_swig_get_child_index (implementor,idx); - if (child_ptr != nullptr && child_ptr != Py_None) - { - lldb::SBValue* sb_value_ptr = (lldb::SBValue*)g_swig_cast_to_sbvalue(child_ptr); - if (sb_value_ptr == nullptr) - Py_XDECREF(child_ptr); - else - ret_val = g_swig_get_valobj_sp_from_sbvalue (sb_value_ptr); - } - else - { - Py_XDECREF(child_ptr); - } +lldb::ValueObjectSP ScriptInterpreterPython::GetChildAtIndex( + const StructuredData::ObjectSP &implementor_sp, uint32_t idx) { + if (!implementor_sp) + return lldb::ValueObjectSP(); + + StructuredData::Generic *generic = implementor_sp->GetAsGeneric(); + if (!generic) + return lldb::ValueObjectSP(); + void *implementor = generic->GetValue(); + if (!implementor) + return lldb::ValueObjectSP(); + + if (!g_swig_get_child_index || !g_swig_cast_to_sbvalue) + return lldb::ValueObjectSP(); + + lldb::ValueObjectSP ret_val; + + { + Locker py_lock(this, + Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); + void *child_ptr = g_swig_get_child_index(implementor, idx); + if (child_ptr != nullptr && child_ptr != Py_None) { + lldb::SBValue *sb_value_ptr = + (lldb::SBValue *)g_swig_cast_to_sbvalue(child_ptr); + if (sb_value_ptr == nullptr) + Py_XDECREF(child_ptr); + else + ret_val = g_swig_get_valobj_sp_from_sbvalue(sb_value_ptr); + } else { + Py_XDECREF(child_ptr); } - - return ret_val; + } + + return ret_val; } -int -ScriptInterpreterPython::GetIndexOfChildWithName(const StructuredData::ObjectSP &implementor_sp, const char *child_name) -{ - if (!implementor_sp) - return UINT32_MAX; - - StructuredData::Generic *generic = implementor_sp->GetAsGeneric(); - if (!generic) - return UINT32_MAX; - void *implementor = generic->GetValue(); - if (!implementor) - return UINT32_MAX; - - if (!g_swig_get_index_child) - return UINT32_MAX; - - int ret_val = UINT32_MAX; - - { - Locker py_lock(this, Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); - ret_val = g_swig_get_index_child (implementor, child_name); - } - - return ret_val; +int ScriptInterpreterPython::GetIndexOfChildWithName( + const StructuredData::ObjectSP &implementor_sp, const char *child_name) { + if (!implementor_sp) + return UINT32_MAX; + + StructuredData::Generic *generic = implementor_sp->GetAsGeneric(); + if (!generic) + return UINT32_MAX; + void *implementor = generic->GetValue(); + if (!implementor) + return UINT32_MAX; + + if (!g_swig_get_index_child) + return UINT32_MAX; + + int ret_val = UINT32_MAX; + + { + Locker py_lock(this, + Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); + ret_val = g_swig_get_index_child(implementor, child_name); + } + + return ret_val; } -bool -ScriptInterpreterPython::UpdateSynthProviderInstance(const StructuredData::ObjectSP &implementor_sp) -{ - bool ret_val = false; - - if (!implementor_sp) - return ret_val; +bool ScriptInterpreterPython::UpdateSynthProviderInstance( + const StructuredData::ObjectSP &implementor_sp) { + bool ret_val = false; - StructuredData::Generic *generic = implementor_sp->GetAsGeneric(); - if (!generic) - return ret_val; - void *implementor = generic->GetValue(); - if (!implementor) - return ret_val; - - if (!g_swig_update_provider) - return ret_val; - - { - Locker py_lock(this, Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); - ret_val = g_swig_update_provider (implementor); - } - + if (!implementor_sp) return ret_val; -} -bool -ScriptInterpreterPython::MightHaveChildrenSynthProviderInstance(const StructuredData::ObjectSP &implementor_sp) -{ - bool ret_val = false; - - if (!implementor_sp) - return ret_val; + StructuredData::Generic *generic = implementor_sp->GetAsGeneric(); + if (!generic) + return ret_val; + void *implementor = generic->GetValue(); + if (!implementor) + return ret_val; - StructuredData::Generic *generic = implementor_sp->GetAsGeneric(); - if (!generic) - return ret_val; - void *implementor = generic->GetValue(); - if (!implementor) - return ret_val; - - if (!g_swig_mighthavechildren_provider) - return ret_val; - - { - Locker py_lock(this, Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); - ret_val = g_swig_mighthavechildren_provider (implementor); - } - + if (!g_swig_update_provider) return ret_val; + + { + Locker py_lock(this, + Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); + ret_val = g_swig_update_provider(implementor); + } + + return ret_val; } -lldb::ValueObjectSP -ScriptInterpreterPython::GetSyntheticValue(const StructuredData::ObjectSP &implementor_sp) -{ - lldb::ValueObjectSP ret_val(nullptr); - - if (!implementor_sp) - return ret_val; +bool ScriptInterpreterPython::MightHaveChildrenSynthProviderInstance( + const StructuredData::ObjectSP &implementor_sp) { + bool ret_val = false; - StructuredData::Generic *generic = implementor_sp->GetAsGeneric(); - if (!generic) - return ret_val; - void *implementor = generic->GetValue(); - if (!implementor) - return ret_val; - - if (!g_swig_getvalue_provider || !g_swig_cast_to_sbvalue || !g_swig_get_valobj_sp_from_sbvalue) - return ret_val; - - { - Locker py_lock(this, Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); - void* child_ptr = g_swig_getvalue_provider (implementor); - if (child_ptr != nullptr && child_ptr != Py_None) - { - lldb::SBValue* sb_value_ptr = (lldb::SBValue*)g_swig_cast_to_sbvalue(child_ptr); - if (sb_value_ptr == nullptr) - Py_XDECREF(child_ptr); - else - ret_val = g_swig_get_valobj_sp_from_sbvalue (sb_value_ptr); - } - else - { - Py_XDECREF(child_ptr); - } - } - + if (!implementor_sp) + return ret_val; + + StructuredData::Generic *generic = implementor_sp->GetAsGeneric(); + if (!generic) + return ret_val; + void *implementor = generic->GetValue(); + if (!implementor) return ret_val; + + if (!g_swig_mighthavechildren_provider) + return ret_val; + + { + Locker py_lock(this, + Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); + ret_val = g_swig_mighthavechildren_provider(implementor); + } + + return ret_val; } -ConstString -ScriptInterpreterPython::GetSyntheticTypeName (const StructuredData::ObjectSP &implementor_sp) -{ - Locker py_lock(this, Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); +lldb::ValueObjectSP ScriptInterpreterPython::GetSyntheticValue( + const StructuredData::ObjectSP &implementor_sp) { + lldb::ValueObjectSP ret_val(nullptr); - static char callee_name[] = "get_type_name"; + if (!implementor_sp) + return ret_val; - ConstString ret_val; - bool got_string = false; - std::string buffer; + StructuredData::Generic *generic = implementor_sp->GetAsGeneric(); + if (!generic) + return ret_val; + void *implementor = generic->GetValue(); + if (!implementor) + return ret_val; - if (!implementor_sp) - return ret_val; - - StructuredData::Generic *generic = implementor_sp->GetAsGeneric(); - if (!generic) - return ret_val; - PythonObject implementor(PyRefType::Borrowed, (PyObject *)generic->GetValue()); - if (!implementor.IsAllocated()) - return ret_val; - - PythonObject pmeth(PyRefType::Owned, PyObject_GetAttrString(implementor.get(), callee_name)); - - if (PyErr_Occurred()) - PyErr_Clear(); - - if (!pmeth.IsAllocated()) - return ret_val; - - if (PyCallable_Check(pmeth.get()) == 0) - { - if (PyErr_Occurred()) - PyErr_Clear(); - return ret_val; - } - - if (PyErr_Occurred()) - PyErr_Clear(); - - // right now we know this function exists and is callable.. - PythonObject py_return(PyRefType::Owned, PyObject_CallMethod(implementor.get(), callee_name, nullptr)); - - // if it fails, print the error but otherwise go on - if (PyErr_Occurred()) - { - PyErr_Print(); - PyErr_Clear(); - } - - if (py_return.IsAllocated() && PythonString::Check(py_return.get())) - { - PythonString py_string(PyRefType::Borrowed, py_return.get()); - llvm::StringRef return_data(py_string.GetString()); - if (!return_data.empty()) - { - buffer.assign(return_data.data(), return_data.size()); - got_string = true; - } - } - - if (got_string) - ret_val.SetCStringWithLength(buffer.c_str(), buffer.size()); - + if (!g_swig_getvalue_provider || !g_swig_cast_to_sbvalue || + !g_swig_get_valobj_sp_from_sbvalue) return ret_val; -} -bool -ScriptInterpreterPython::RunScriptFormatKeyword (const char* impl_function, - Process* process, - std::string& output, - Error& error) -{ - bool ret_val; - if (!process) - { - error.SetErrorString("no process"); - return false; - } - if (!impl_function || !impl_function[0]) - { - error.SetErrorString("no function to execute"); - return false; - } - if (!g_swig_run_script_keyword_process) - { - error.SetErrorString("internal helper function missing"); - return false; - } - { - ProcessSP process_sp(process->shared_from_this()); - Locker py_lock(this, Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); - ret_val = g_swig_run_script_keyword_process (impl_function, m_dictionary_name.c_str(), process_sp, output); - if (!ret_val) - error.SetErrorString("python script evaluation failed"); + { + Locker py_lock(this, + Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); + void *child_ptr = g_swig_getvalue_provider(implementor); + if (child_ptr != nullptr && child_ptr != Py_None) { + lldb::SBValue *sb_value_ptr = + (lldb::SBValue *)g_swig_cast_to_sbvalue(child_ptr); + if (sb_value_ptr == nullptr) + Py_XDECREF(child_ptr); + else + ret_val = g_swig_get_valobj_sp_from_sbvalue(sb_value_ptr); + } else { + Py_XDECREF(child_ptr); } - return ret_val; + } + + return ret_val; } -bool -ScriptInterpreterPython::RunScriptFormatKeyword (const char* impl_function, - Thread* thread, - std::string& output, - Error& error) -{ - bool ret_val; - if (!thread) - { - error.SetErrorString("no thread"); - return false; - } - if (!impl_function || !impl_function[0]) - { - error.SetErrorString("no function to execute"); - return false; - } - if (!g_swig_run_script_keyword_thread) - { - error.SetErrorString("internal helper function missing"); - return false; - } - { - ThreadSP thread_sp(thread->shared_from_this()); - Locker py_lock(this, Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); - ret_val = g_swig_run_script_keyword_thread (impl_function, m_dictionary_name.c_str(), thread_sp, output); - if (!ret_val) - error.SetErrorString("python script evaluation failed"); - } +ConstString ScriptInterpreterPython::GetSyntheticTypeName( + const StructuredData::ObjectSP &implementor_sp) { + Locker py_lock(this, + Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); + + static char callee_name[] = "get_type_name"; + + ConstString ret_val; + bool got_string = false; + std::string buffer; + + if (!implementor_sp) return ret_val; -} -bool -ScriptInterpreterPython::RunScriptFormatKeyword (const char* impl_function, - Target* target, - std::string& output, - Error& error) -{ - bool ret_val; - if (!target) - { - error.SetErrorString("no thread"); - return false; - } - if (!impl_function || !impl_function[0]) - { - error.SetErrorString("no function to execute"); - return false; - } - if (!g_swig_run_script_keyword_target) - { - error.SetErrorString("internal helper function missing"); - return false; - } - { - TargetSP target_sp(target->shared_from_this()); - Locker py_lock(this, Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); - ret_val = g_swig_run_script_keyword_target (impl_function, m_dictionary_name.c_str(), target_sp, output); - if (!ret_val) - error.SetErrorString("python script evaluation failed"); - } + StructuredData::Generic *generic = implementor_sp->GetAsGeneric(); + if (!generic) + return ret_val; + PythonObject implementor(PyRefType::Borrowed, + (PyObject *)generic->GetValue()); + if (!implementor.IsAllocated()) return ret_val; -} -bool -ScriptInterpreterPython::RunScriptFormatKeyword (const char* impl_function, - StackFrame* frame, - std::string& output, - Error& error) -{ - bool ret_val; - if (!frame) - { - error.SetErrorString("no frame"); - return false; - } - if (!impl_function || !impl_function[0]) - { - error.SetErrorString("no function to execute"); - return false; - } - if (!g_swig_run_script_keyword_frame) - { - error.SetErrorString("internal helper function missing"); - return false; - } - { - StackFrameSP frame_sp(frame->shared_from_this()); - Locker py_lock(this, Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); - ret_val = g_swig_run_script_keyword_frame (impl_function, m_dictionary_name.c_str(), frame_sp, output); - if (!ret_val) - error.SetErrorString("python script evaluation failed"); - } + PythonObject pmeth(PyRefType::Owned, + PyObject_GetAttrString(implementor.get(), callee_name)); + + if (PyErr_Occurred()) + PyErr_Clear(); + + if (!pmeth.IsAllocated()) return ret_val; -} - -bool -ScriptInterpreterPython::RunScriptFormatKeyword (const char* impl_function, - ValueObject *value, - std::string& output, - Error& error) -{ - bool ret_val; - if (!value) - { - error.SetErrorString("no value"); - return false; - } - if (!impl_function || !impl_function[0]) - { - error.SetErrorString("no function to execute"); - return false; - } - if (!g_swig_run_script_keyword_value) - { - error.SetErrorString("internal helper function missing"); - return false; - } - { - ValueObjectSP value_sp(value->GetSP()); - Locker py_lock(this, Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); - ret_val = g_swig_run_script_keyword_value (impl_function, m_dictionary_name.c_str(), value_sp, output); - if (!ret_val) - error.SetErrorString("python script evaluation failed"); - } + + if (PyCallable_Check(pmeth.get()) == 0) { + if (PyErr_Occurred()) + PyErr_Clear(); return ret_val; -} + } -uint64_t replace_all(std::string& str, const std::string& oldStr, const std::string& newStr) -{ - size_t pos = 0; - uint64_t matches = 0; - while((pos = str.find(oldStr, pos)) != std::string::npos) - { - matches++; - str.replace(pos, oldStr.length(), newStr); - pos += newStr.length(); + if (PyErr_Occurred()) + PyErr_Clear(); + + // right now we know this function exists and is callable.. + PythonObject py_return( + PyRefType::Owned, + PyObject_CallMethod(implementor.get(), callee_name, nullptr)); + + // if it fails, print the error but otherwise go on + if (PyErr_Occurred()) { + PyErr_Print(); + PyErr_Clear(); + } + + if (py_return.IsAllocated() && PythonString::Check(py_return.get())) { + PythonString py_string(PyRefType::Borrowed, py_return.get()); + llvm::StringRef return_data(py_string.GetString()); + if (!return_data.empty()) { + buffer.assign(return_data.data(), return_data.size()); + got_string = true; } - return matches; + } + + if (got_string) + ret_val.SetCStringWithLength(buffer.c_str(), buffer.size()); + + return ret_val; } -bool -ScriptInterpreterPython::LoadScriptingModule(const char *pathname, bool can_reload, bool init_session, lldb_private::Error &error, - StructuredData::ObjectSP *module_sp) -{ - if (!pathname || !pathname[0]) - { +bool ScriptInterpreterPython::RunScriptFormatKeyword(const char *impl_function, + Process *process, + std::string &output, + Error &error) { + bool ret_val; + if (!process) { + error.SetErrorString("no process"); + return false; + } + if (!impl_function || !impl_function[0]) { + error.SetErrorString("no function to execute"); + return false; + } + if (!g_swig_run_script_keyword_process) { + error.SetErrorString("internal helper function missing"); + return false; + } + { + ProcessSP process_sp(process->shared_from_this()); + Locker py_lock(this, + Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); + ret_val = g_swig_run_script_keyword_process( + impl_function, m_dictionary_name.c_str(), process_sp, output); + if (!ret_val) + error.SetErrorString("python script evaluation failed"); + } + return ret_val; +} + +bool ScriptInterpreterPython::RunScriptFormatKeyword(const char *impl_function, + Thread *thread, + std::string &output, + Error &error) { + bool ret_val; + if (!thread) { + error.SetErrorString("no thread"); + return false; + } + if (!impl_function || !impl_function[0]) { + error.SetErrorString("no function to execute"); + return false; + } + if (!g_swig_run_script_keyword_thread) { + error.SetErrorString("internal helper function missing"); + return false; + } + { + ThreadSP thread_sp(thread->shared_from_this()); + Locker py_lock(this, + Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); + ret_val = g_swig_run_script_keyword_thread( + impl_function, m_dictionary_name.c_str(), thread_sp, output); + if (!ret_val) + error.SetErrorString("python script evaluation failed"); + } + return ret_val; +} + +bool ScriptInterpreterPython::RunScriptFormatKeyword(const char *impl_function, + Target *target, + std::string &output, + Error &error) { + bool ret_val; + if (!target) { + error.SetErrorString("no thread"); + return false; + } + if (!impl_function || !impl_function[0]) { + error.SetErrorString("no function to execute"); + return false; + } + if (!g_swig_run_script_keyword_target) { + error.SetErrorString("internal helper function missing"); + return false; + } + { + TargetSP target_sp(target->shared_from_this()); + Locker py_lock(this, + Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); + ret_val = g_swig_run_script_keyword_target( + impl_function, m_dictionary_name.c_str(), target_sp, output); + if (!ret_val) + error.SetErrorString("python script evaluation failed"); + } + return ret_val; +} + +bool ScriptInterpreterPython::RunScriptFormatKeyword(const char *impl_function, + StackFrame *frame, + std::string &output, + Error &error) { + bool ret_val; + if (!frame) { + error.SetErrorString("no frame"); + return false; + } + if (!impl_function || !impl_function[0]) { + error.SetErrorString("no function to execute"); + return false; + } + if (!g_swig_run_script_keyword_frame) { + error.SetErrorString("internal helper function missing"); + return false; + } + { + StackFrameSP frame_sp(frame->shared_from_this()); + Locker py_lock(this, + Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); + ret_val = g_swig_run_script_keyword_frame( + impl_function, m_dictionary_name.c_str(), frame_sp, output); + if (!ret_val) + error.SetErrorString("python script evaluation failed"); + } + return ret_val; +} + +bool ScriptInterpreterPython::RunScriptFormatKeyword(const char *impl_function, + ValueObject *value, + std::string &output, + Error &error) { + bool ret_val; + if (!value) { + error.SetErrorString("no value"); + return false; + } + if (!impl_function || !impl_function[0]) { + error.SetErrorString("no function to execute"); + return false; + } + if (!g_swig_run_script_keyword_value) { + error.SetErrorString("internal helper function missing"); + return false; + } + { + ValueObjectSP value_sp(value->GetSP()); + Locker py_lock(this, + Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); + ret_val = g_swig_run_script_keyword_value( + impl_function, m_dictionary_name.c_str(), value_sp, output); + if (!ret_val) + error.SetErrorString("python script evaluation failed"); + } + return ret_val; +} + +uint64_t replace_all(std::string &str, const std::string &oldStr, + const std::string &newStr) { + size_t pos = 0; + uint64_t matches = 0; + while ((pos = str.find(oldStr, pos)) != std::string::npos) { + matches++; + str.replace(pos, oldStr.length(), newStr); + pos += newStr.length(); + } + return matches; +} + +bool ScriptInterpreterPython::LoadScriptingModule( + const char *pathname, bool can_reload, bool init_session, + lldb_private::Error &error, StructuredData::ObjectSP *module_sp) { + if (!pathname || !pathname[0]) { + error.SetErrorString("invalid pathname"); + return false; + } + + if (!g_swig_call_module_init) { + error.SetErrorString("internal helper function missing"); + return false; + } + + lldb::DebuggerSP debugger_sp = m_interpreter.GetDebugger().shared_from_this(); + + { + FileSpec target_file(pathname, true); + std::string basename(target_file.GetFilename().GetCString()); + + StreamString command_stream; + + // Before executing Python code, lock the GIL. + Locker py_lock(this, Locker::AcquireLock | + (init_session ? Locker::InitSession : 0) | + Locker::NoSTDIN, + Locker::FreeAcquiredLock | + (init_session ? Locker::TearDownSession : 0)); + + if (target_file.GetFileType() == FileSpec::eFileTypeInvalid || + target_file.GetFileType() == FileSpec::eFileTypeUnknown) { + // if not a valid file of any sort, check if it might be a filename still + // dot can't be used but / and \ can, and if either is found, reject + if (strchr(pathname, '\\') || strchr(pathname, '/')) { error.SetErrorString("invalid pathname"); return false; - } - - if (!g_swig_call_module_init) - { - error.SetErrorString("internal helper function missing"); + } + basename = pathname; // not a filename, probably a package of some sort, + // let it go through + } else if (target_file.GetFileType() == FileSpec::eFileTypeDirectory || + target_file.GetFileType() == FileSpec::eFileTypeRegular || + target_file.GetFileType() == FileSpec::eFileTypeSymbolicLink) { + std::string directory = target_file.GetDirectory().GetCString(); + replace_all(directory, "\\", "\\\\"); + replace_all(directory, "'", "\\'"); + + // now make sure that Python has "directory" in the search path + StreamString command_stream; + command_stream.Printf("if not (sys.path.__contains__('%s')):\n " + "sys.path.insert(1,'%s');\n\n", + directory.c_str(), directory.c_str()); + bool syspath_retval = + ExecuteMultipleLines(command_stream.GetData(), + ScriptInterpreter::ExecuteScriptOptions() + .SetEnableIO(false) + .SetSetLLDBGlobals(false)) + .Success(); + if (!syspath_retval) { + error.SetErrorString("Python sys.path handling failed"); return false; + } + + // strip .py or .pyc extension + ConstString extension = target_file.GetFileNameExtension(); + if (extension) { + if (::strcmp(extension.GetCString(), "py") == 0) + basename.resize(basename.length() - 3); + else if (::strcmp(extension.GetCString(), "pyc") == 0) + basename.resize(basename.length() - 4); + } + } else { + error.SetErrorString("no known way to import this module specification"); + return false; + } + + // check if the module is already import-ed + command_stream.Clear(); + command_stream.Printf("sys.modules.__contains__('%s')", basename.c_str()); + bool does_contain = false; + // this call will succeed if the module was ever imported in any Debugger in + // the lifetime of the process + // in which this LLDB framework is living + bool was_imported_globally = + (ExecuteOneLineWithReturn( + command_stream.GetData(), + ScriptInterpreterPython::eScriptReturnTypeBool, &does_contain, + ScriptInterpreter::ExecuteScriptOptions() + .SetEnableIO(false) + .SetSetLLDBGlobals(false)) && + does_contain); + // this call will fail if the module was not imported in this Debugger + // before + command_stream.Clear(); + command_stream.Printf("sys.getrefcount(%s)", basename.c_str()); + bool was_imported_locally = GetSessionDictionary() + .GetItemForKey(PythonString(basename)) + .IsAllocated(); + + bool was_imported = (was_imported_globally || was_imported_locally); + + if (was_imported == true && can_reload == false) { + error.SetErrorString("module already imported"); + return false; + } + + // now actually do the import + command_stream.Clear(); + + if (was_imported) { + if (!was_imported_locally) + command_stream.Printf("import %s ; reload_module(%s)", basename.c_str(), + basename.c_str()); + else + command_stream.Printf("reload_module(%s)", basename.c_str()); + } else + command_stream.Printf("import %s", basename.c_str()); + + error = ExecuteMultipleLines(command_stream.GetData(), + ScriptInterpreter::ExecuteScriptOptions() + .SetEnableIO(false) + .SetSetLLDBGlobals(false)); + if (error.Fail()) + return false; + + // if we are here, everything worked + // call __lldb_init_module(debugger,dict) + if (!g_swig_call_module_init(basename.c_str(), m_dictionary_name.c_str(), + debugger_sp)) { + error.SetErrorString("calling __lldb_init_module failed"); + return false; + } + + if (module_sp) { + // everything went just great, now set the module object + command_stream.Clear(); + command_stream.Printf("%s", basename.c_str()); + void *module_pyobj = nullptr; + if (ExecuteOneLineWithReturn( + command_stream.GetData(), + ScriptInterpreter::eScriptReturnTypeOpaqueObject, + &module_pyobj) && + module_pyobj) + module_sp->reset(new StructuredPythonObject(module_pyobj)); } - - lldb::DebuggerSP debugger_sp = m_interpreter.GetDebugger().shared_from_this(); - { - FileSpec target_file(pathname, true); - std::string basename(target_file.GetFilename().GetCString()); - - StreamString command_stream; - - // Before executing Python code, lock the GIL. - Locker py_lock (this, - Locker::AcquireLock | (init_session ? Locker::InitSession : 0) | Locker::NoSTDIN, - Locker::FreeAcquiredLock | (init_session ? Locker::TearDownSession : 0)); - - if (target_file.GetFileType() == FileSpec::eFileTypeInvalid || - target_file.GetFileType() == FileSpec::eFileTypeUnknown) - { - // if not a valid file of any sort, check if it might be a filename still - // dot can't be used but / and \ can, and if either is found, reject - if (strchr(pathname,'\\') || strchr(pathname,'/')) - { - error.SetErrorString("invalid pathname"); - return false; - } - basename = pathname; // not a filename, probably a package of some sort, let it go through - } - else if (target_file.GetFileType() == FileSpec::eFileTypeDirectory || - target_file.GetFileType() == FileSpec::eFileTypeRegular || - target_file.GetFileType() == FileSpec::eFileTypeSymbolicLink) - { - std::string directory = target_file.GetDirectory().GetCString(); - replace_all(directory, "\\", "\\\\"); - replace_all(directory, "'", "\\'"); - - // now make sure that Python has "directory" in the search path - StreamString command_stream; - command_stream.Printf("if not (sys.path.__contains__('%s')):\n sys.path.insert(1,'%s');\n\n", - directory.c_str(), - directory.c_str()); - bool syspath_retval = ExecuteMultipleLines(command_stream.GetData(), ScriptInterpreter::ExecuteScriptOptions().SetEnableIO(false).SetSetLLDBGlobals(false)).Success(); - if (!syspath_retval) - { - error.SetErrorString("Python sys.path handling failed"); - return false; - } + return true; + } +} - // strip .py or .pyc extension - ConstString extension = target_file.GetFileNameExtension(); - if (extension) - { - if (::strcmp(extension.GetCString(), "py") == 0) - basename.resize(basename.length()-3); - else if(::strcmp(extension.GetCString(), "pyc") == 0) - basename.resize(basename.length()-4); - } - } - else - { - error.SetErrorString("no known way to import this module specification"); - return false; - } - - // check if the module is already import-ed - command_stream.Clear(); - command_stream.Printf("sys.modules.__contains__('%s')",basename.c_str()); - bool does_contain = false; - // this call will succeed if the module was ever imported in any Debugger in the lifetime of the process - // in which this LLDB framework is living - bool was_imported_globally = (ExecuteOneLineWithReturn(command_stream.GetData(), - ScriptInterpreterPython::eScriptReturnTypeBool, - &does_contain, - ScriptInterpreter::ExecuteScriptOptions().SetEnableIO(false).SetSetLLDBGlobals(false)) && does_contain); - // this call will fail if the module was not imported in this Debugger before - command_stream.Clear(); - command_stream.Printf("sys.getrefcount(%s)",basename.c_str()); - bool was_imported_locally = GetSessionDictionary().GetItemForKey(PythonString(basename)).IsAllocated(); - - bool was_imported = (was_imported_globally || was_imported_locally); - - if (was_imported == true && can_reload == false) - { - error.SetErrorString("module already imported"); - return false; - } +bool ScriptInterpreterPython::IsReservedWord(const char *word) { + if (!word || !word[0]) + return false; - // now actually do the import - command_stream.Clear(); - - if (was_imported) - { - if (!was_imported_locally) - command_stream.Printf("import %s ; reload_module(%s)",basename.c_str(),basename.c_str()); - else - command_stream.Printf("reload_module(%s)",basename.c_str()); - } - else - command_stream.Printf("import %s", basename.c_str()); - - error = ExecuteMultipleLines(command_stream.GetData(), ScriptInterpreter::ExecuteScriptOptions().SetEnableIO(false).SetSetLLDBGlobals(false)); - if (error.Fail()) - return false; - - // if we are here, everything worked - // call __lldb_init_module(debugger,dict) - if (!g_swig_call_module_init (basename.c_str(), - m_dictionary_name.c_str(), - debugger_sp)) - { - error.SetErrorString("calling __lldb_init_module failed"); - return false; - } - - if (module_sp) - { - // everything went just great, now set the module object - command_stream.Clear(); - command_stream.Printf("%s",basename.c_str()); - void* module_pyobj = nullptr; - if (ExecuteOneLineWithReturn(command_stream.GetData(),ScriptInterpreter::eScriptReturnTypeOpaqueObject,&module_pyobj) && module_pyobj) - module_sp->reset(new StructuredPythonObject(module_pyobj)); - } - - return true; - } + llvm::StringRef word_sr(word); + + // filter out a few characters that would just confuse us + // and that are clearly not keyword material anyway + if (word_sr.find_first_of("'\"") != llvm::StringRef::npos) + return false; + + StreamString command_stream; + command_stream.Printf("keyword.iskeyword('%s')", word); + bool result; + ExecuteScriptOptions options; + options.SetEnableIO(false); + options.SetMaskoutErrors(true); + options.SetSetLLDBGlobals(false); + if (ExecuteOneLineWithReturn(command_stream.GetData(), + ScriptInterpreter::eScriptReturnTypeBool, + &result, options)) + return result; + return false; } -bool -ScriptInterpreterPython::IsReservedWord (const char* word) -{ - if (!word || !word[0]) - return false; - - llvm::StringRef word_sr(word); +ScriptInterpreterPython::SynchronicityHandler::SynchronicityHandler( + lldb::DebuggerSP debugger_sp, ScriptedCommandSynchronicity synchro) + : m_debugger_sp(debugger_sp), m_synch_wanted(synchro), + m_old_asynch(debugger_sp->GetAsyncExecution()) { + if (m_synch_wanted == eScriptedCommandSynchronicitySynchronous) + m_debugger_sp->SetAsyncExecution(false); + else if (m_synch_wanted == eScriptedCommandSynchronicityAsynchronous) + m_debugger_sp->SetAsyncExecution(true); +} - // filter out a few characters that would just confuse us - // and that are clearly not keyword material anyway - if (word_sr.find_first_of("'\"") != llvm::StringRef::npos) - return false; - - StreamString command_stream; - command_stream.Printf("keyword.iskeyword('%s')", word); - bool result; - ExecuteScriptOptions options; - options.SetEnableIO(false); - options.SetMaskoutErrors(true); - options.SetSetLLDBGlobals(false); - if (ExecuteOneLineWithReturn(command_stream.GetData(), ScriptInterpreter::eScriptReturnTypeBool, &result, options)) - return result; - return false; +ScriptInterpreterPython::SynchronicityHandler::~SynchronicityHandler() { + if (m_synch_wanted != eScriptedCommandSynchronicityCurrentValue) + m_debugger_sp->SetAsyncExecution(m_old_asynch); } -ScriptInterpreterPython::SynchronicityHandler::SynchronicityHandler (lldb::DebuggerSP debugger_sp, - ScriptedCommandSynchronicity synchro) : - m_debugger_sp(debugger_sp), - m_synch_wanted(synchro), - m_old_asynch(debugger_sp->GetAsyncExecution()) -{ - if (m_synch_wanted == eScriptedCommandSynchronicitySynchronous) - m_debugger_sp->SetAsyncExecution(false); - else if (m_synch_wanted == eScriptedCommandSynchronicityAsynchronous) - m_debugger_sp->SetAsyncExecution(true); -} - -ScriptInterpreterPython::SynchronicityHandler::~SynchronicityHandler() -{ - if (m_synch_wanted != eScriptedCommandSynchronicityCurrentValue) - m_debugger_sp->SetAsyncExecution(m_old_asynch); -} - -bool -ScriptInterpreterPython::RunScriptBasedCommand(const char* impl_function, - const char* args, - ScriptedCommandSynchronicity synchronicity, - lldb_private::CommandReturnObject& cmd_retobj, - Error& error, - const lldb_private::ExecutionContext& exe_ctx) -{ - if (!impl_function) - { - error.SetErrorString("no function to execute"); - return false; - } - - if (!g_swig_call_command) - { - error.SetErrorString("no helper function to run scripted commands"); - return false; - } - - lldb::DebuggerSP debugger_sp = m_interpreter.GetDebugger().shared_from_this(); - lldb::ExecutionContextRefSP exe_ctx_ref_sp(new ExecutionContextRef(exe_ctx)); - - if (!debugger_sp.get()) - { - error.SetErrorString("invalid Debugger pointer"); - return false; - } - - bool ret_val = false; - - std::string err_msg; +bool ScriptInterpreterPython::RunScriptBasedCommand( + const char *impl_function, const char *args, + ScriptedCommandSynchronicity synchronicity, + lldb_private::CommandReturnObject &cmd_retobj, Error &error, + const lldb_private::ExecutionContext &exe_ctx) { + if (!impl_function) { + error.SetErrorString("no function to execute"); + return false; + } - { - Locker py_lock(this, - Locker::AcquireLock | Locker::InitSession | (cmd_retobj.GetInteractive() ? 0 : Locker::NoSTDIN), - Locker::FreeLock | Locker::TearDownSession); - - SynchronicityHandler synch_handler(debugger_sp, - synchronicity); - - ret_val = g_swig_call_command (impl_function, - m_dictionary_name.c_str(), - debugger_sp, - args, - cmd_retobj, - exe_ctx_ref_sp); - } - - if (!ret_val) - error.SetErrorString("unable to execute script function"); - else - error.Clear(); - - return ret_val; + if (!g_swig_call_command) { + error.SetErrorString("no helper function to run scripted commands"); + return false; + } + + lldb::DebuggerSP debugger_sp = m_interpreter.GetDebugger().shared_from_this(); + lldb::ExecutionContextRefSP exe_ctx_ref_sp(new ExecutionContextRef(exe_ctx)); + + if (!debugger_sp.get()) { + error.SetErrorString("invalid Debugger pointer"); + return false; + } + + bool ret_val = false; + + std::string err_msg; + + { + Locker py_lock(this, + Locker::AcquireLock | Locker::InitSession | + (cmd_retobj.GetInteractive() ? 0 : Locker::NoSTDIN), + Locker::FreeLock | Locker::TearDownSession); + + SynchronicityHandler synch_handler(debugger_sp, synchronicity); + + ret_val = + g_swig_call_command(impl_function, m_dictionary_name.c_str(), + debugger_sp, args, cmd_retobj, exe_ctx_ref_sp); + } + + if (!ret_val) + error.SetErrorString("unable to execute script function"); + else + error.Clear(); + + return ret_val; } -bool -ScriptInterpreterPython::RunScriptBasedCommand (StructuredData::GenericSP impl_obj_sp, - const char* args, - ScriptedCommandSynchronicity synchronicity, - lldb_private::CommandReturnObject& cmd_retobj, - Error& error, - const lldb_private::ExecutionContext& exe_ctx) -{ - if (!impl_obj_sp || !impl_obj_sp->IsValid()) - { - error.SetErrorString("no function to execute"); - return false; - } - - if (!g_swig_call_command_object) - { - error.SetErrorString("no helper function to run scripted commands"); - return false; - } - - lldb::DebuggerSP debugger_sp = m_interpreter.GetDebugger().shared_from_this(); - lldb::ExecutionContextRefSP exe_ctx_ref_sp(new ExecutionContextRef(exe_ctx)); - - if (!debugger_sp.get()) - { - error.SetErrorString("invalid Debugger pointer"); - return false; - } - - bool ret_val = false; - - std::string err_msg; - - { - Locker py_lock(this, - Locker::AcquireLock | Locker::InitSession | (cmd_retobj.GetInteractive() ? 0 : Locker::NoSTDIN), - Locker::FreeLock | Locker::TearDownSession); - - SynchronicityHandler synch_handler(debugger_sp, - synchronicity); - - ret_val = g_swig_call_command_object (impl_obj_sp->GetValue(), - debugger_sp, - args, - cmd_retobj, - exe_ctx_ref_sp); - } - - if (!ret_val) - error.SetErrorString("unable to execute script function"); - else - error.Clear(); +bool ScriptInterpreterPython::RunScriptBasedCommand( + StructuredData::GenericSP impl_obj_sp, const char *args, + ScriptedCommandSynchronicity synchronicity, + lldb_private::CommandReturnObject &cmd_retobj, Error &error, + const lldb_private::ExecutionContext &exe_ctx) { + if (!impl_obj_sp || !impl_obj_sp->IsValid()) { + error.SetErrorString("no function to execute"); + return false; + } - return ret_val; + if (!g_swig_call_command_object) { + error.SetErrorString("no helper function to run scripted commands"); + return false; + } + + lldb::DebuggerSP debugger_sp = m_interpreter.GetDebugger().shared_from_this(); + lldb::ExecutionContextRefSP exe_ctx_ref_sp(new ExecutionContextRef(exe_ctx)); + + if (!debugger_sp.get()) { + error.SetErrorString("invalid Debugger pointer"); + return false; + } + + bool ret_val = false; + + std::string err_msg; + + { + Locker py_lock(this, + Locker::AcquireLock | Locker::InitSession | + (cmd_retobj.GetInteractive() ? 0 : Locker::NoSTDIN), + Locker::FreeLock | Locker::TearDownSession); + + SynchronicityHandler synch_handler(debugger_sp, synchronicity); + + ret_val = g_swig_call_command_object(impl_obj_sp->GetValue(), debugger_sp, + args, cmd_retobj, exe_ctx_ref_sp); + } + + if (!ret_val) + error.SetErrorString("unable to execute script function"); + else + error.Clear(); + + return ret_val; } // in Python, a special attribute __doc__ contains the docstring // for an object (function, method, class, ...) if any is defined // Otherwise, the attribute's value is None -bool -ScriptInterpreterPython::GetDocumentationForItem(const char* item, std::string& dest) -{ - dest.clear(); - if (!item || !*item) - return false; - std::string command(item); - command += ".__doc__"; - - char* result_ptr = nullptr; // Python is going to point this to valid data if ExecuteOneLineWithReturn returns successfully - - if (ExecuteOneLineWithReturn (command.c_str(), - ScriptInterpreter::eScriptReturnTypeCharStrOrNone, - &result_ptr, - ScriptInterpreter::ExecuteScriptOptions().SetEnableIO(false))) - { - if (result_ptr) - dest.assign(result_ptr); - return true; - } - else - { - StreamString str_stream; - str_stream.Printf("Function %s was not found. Containing module might be missing.",item); - dest.assign(str_stream.GetData()); - return false; - } +bool ScriptInterpreterPython::GetDocumentationForItem(const char *item, + std::string &dest) { + dest.clear(); + if (!item || !*item) + return false; + std::string command(item); + command += ".__doc__"; + + char *result_ptr = nullptr; // Python is going to point this to valid data if + // ExecuteOneLineWithReturn returns successfully + + if (ExecuteOneLineWithReturn( + command.c_str(), ScriptInterpreter::eScriptReturnTypeCharStrOrNone, + &result_ptr, + ScriptInterpreter::ExecuteScriptOptions().SetEnableIO(false))) { + if (result_ptr) + dest.assign(result_ptr); + return true; + } else { + StreamString str_stream; + str_stream.Printf( + "Function %s was not found. Containing module might be missing.", item); + dest = str_stream.GetString(); + return false; + } } -bool -ScriptInterpreterPython::GetShortHelpForCommandObject (StructuredData::GenericSP cmd_obj_sp, - std::string& dest) -{ - bool got_string = false; - dest.clear(); - - Locker py_lock (this, - Locker::AcquireLock | Locker::NoSTDIN, - Locker::FreeLock); - - static char callee_name[] = "get_short_help"; - - if (!cmd_obj_sp) - return false; +bool ScriptInterpreterPython::GetShortHelpForCommandObject( + StructuredData::GenericSP cmd_obj_sp, std::string &dest) { + bool got_string = false; + dest.clear(); - PythonObject implementor(PyRefType::Borrowed, (PyObject *)cmd_obj_sp->GetValue()); + Locker py_lock(this, Locker::AcquireLock | Locker::NoSTDIN, Locker::FreeLock); - if (!implementor.IsAllocated()) - return false; + static char callee_name[] = "get_short_help"; - PythonObject pmeth(PyRefType::Owned, PyObject_GetAttrString(implementor.get(), callee_name)); + if (!cmd_obj_sp) + return false; - if (PyErr_Occurred()) - PyErr_Clear(); + PythonObject implementor(PyRefType::Borrowed, + (PyObject *)cmd_obj_sp->GetValue()); - if (!pmeth.IsAllocated()) - return false; - - if (PyCallable_Check(pmeth.get()) == 0) - { - if (PyErr_Occurred()) - PyErr_Clear(); - return false; - } - - if (PyErr_Occurred()) - PyErr_Clear(); - - // right now we know this function exists and is callable.. - PythonObject py_return(PyRefType::Owned, PyObject_CallMethod(implementor.get(), callee_name, nullptr)); + if (!implementor.IsAllocated()) + return false; + + PythonObject pmeth(PyRefType::Owned, + PyObject_GetAttrString(implementor.get(), callee_name)); - // if it fails, print the error but otherwise go on + if (PyErr_Occurred()) + PyErr_Clear(); + + if (!pmeth.IsAllocated()) + return false; + + if (PyCallable_Check(pmeth.get()) == 0) { if (PyErr_Occurred()) - { - PyErr_Print(); - PyErr_Clear(); - } + PyErr_Clear(); + return false; + } - if (py_return.IsAllocated() && PythonString::Check(py_return.get())) - { - PythonString py_string(PyRefType::Borrowed, py_return.get()); - llvm::StringRef return_data(py_string.GetString()); - dest.assign(return_data.data(), return_data.size()); - got_string = true; - } - return got_string; + if (PyErr_Occurred()) + PyErr_Clear(); + + // right now we know this function exists and is callable.. + PythonObject py_return( + PyRefType::Owned, + PyObject_CallMethod(implementor.get(), callee_name, nullptr)); + + // if it fails, print the error but otherwise go on + if (PyErr_Occurred()) { + PyErr_Print(); + PyErr_Clear(); + } + + if (py_return.IsAllocated() && PythonString::Check(py_return.get())) { + PythonString py_string(PyRefType::Borrowed, py_return.get()); + llvm::StringRef return_data(py_string.GetString()); + dest.assign(return_data.data(), return_data.size()); + got_string = true; + } + return got_string; } -uint32_t -ScriptInterpreterPython::GetFlagsForCommandObject (StructuredData::GenericSP cmd_obj_sp) -{ - uint32_t result = 0; - - Locker py_lock (this, - Locker::AcquireLock | Locker::NoSTDIN, - Locker::FreeLock); - - static char callee_name[] = "get_flags"; - - if (!cmd_obj_sp) - return result; +uint32_t ScriptInterpreterPython::GetFlagsForCommandObject( + StructuredData::GenericSP cmd_obj_sp) { + uint32_t result = 0; - PythonObject implementor(PyRefType::Borrowed, (PyObject *)cmd_obj_sp->GetValue()); + Locker py_lock(this, Locker::AcquireLock | Locker::NoSTDIN, Locker::FreeLock); - if (!implementor.IsAllocated()) - return result; + static char callee_name[] = "get_flags"; - PythonObject pmeth(PyRefType::Owned, PyObject_GetAttrString(implementor.get(), callee_name)); + if (!cmd_obj_sp) + return result; - if (PyErr_Occurred()) - PyErr_Clear(); + PythonObject implementor(PyRefType::Borrowed, + (PyObject *)cmd_obj_sp->GetValue()); - if (!pmeth.IsAllocated()) - return result; - - if (PyCallable_Check(pmeth.get()) == 0) - { - if (PyErr_Occurred()) - PyErr_Clear(); - return result; - } - - if (PyErr_Occurred()) - PyErr_Clear(); - - // right now we know this function exists and is callable.. - PythonObject py_return(PyRefType::Owned, PyObject_CallMethod(implementor.get(), callee_name, nullptr)); + if (!implementor.IsAllocated()) + return result; - // if it fails, print the error but otherwise go on - if (PyErr_Occurred()) - { - PyErr_Print(); - PyErr_Clear(); - } + PythonObject pmeth(PyRefType::Owned, + PyObject_GetAttrString(implementor.get(), callee_name)); - if (py_return.IsAllocated() && PythonInteger::Check(py_return.get())) - { - PythonInteger int_value(PyRefType::Borrowed, py_return.get()); - result = int_value.GetInteger(); - } - + if (PyErr_Occurred()) + PyErr_Clear(); + + if (!pmeth.IsAllocated()) + return result; + + if (PyCallable_Check(pmeth.get()) == 0) { + if (PyErr_Occurred()) + PyErr_Clear(); return result; + } + + if (PyErr_Occurred()) + PyErr_Clear(); + + // right now we know this function exists and is callable.. + PythonObject py_return( + PyRefType::Owned, + PyObject_CallMethod(implementor.get(), callee_name, nullptr)); + + // if it fails, print the error but otherwise go on + if (PyErr_Occurred()) { + PyErr_Print(); + PyErr_Clear(); + } + + if (py_return.IsAllocated() && PythonInteger::Check(py_return.get())) { + PythonInteger int_value(PyRefType::Borrowed, py_return.get()); + result = int_value.GetInteger(); + } + + return result; } -bool -ScriptInterpreterPython::GetLongHelpForCommandObject (StructuredData::GenericSP cmd_obj_sp, - std::string& dest) -{ - bool got_string = false; - dest.clear(); - - Locker py_lock (this, - Locker::AcquireLock | Locker::NoSTDIN, - Locker::FreeLock); - - static char callee_name[] = "get_long_help"; - - if (!cmd_obj_sp) - return false; +bool ScriptInterpreterPython::GetLongHelpForCommandObject( + StructuredData::GenericSP cmd_obj_sp, std::string &dest) { + bool got_string = false; + dest.clear(); - PythonObject implementor(PyRefType::Borrowed, (PyObject *)cmd_obj_sp->GetValue()); + Locker py_lock(this, Locker::AcquireLock | Locker::NoSTDIN, Locker::FreeLock); - if (!implementor.IsAllocated()) - return false; + static char callee_name[] = "get_long_help"; - PythonObject pmeth(PyRefType::Owned, PyObject_GetAttrString(implementor.get(), callee_name)); + if (!cmd_obj_sp) + return false; - if (PyErr_Occurred()) - PyErr_Clear(); + PythonObject implementor(PyRefType::Borrowed, + (PyObject *)cmd_obj_sp->GetValue()); - if (!pmeth.IsAllocated()) - return false; - - if (PyCallable_Check(pmeth.get()) == 0) - { - if (PyErr_Occurred()) - PyErr_Clear(); - - return false; - } - - if (PyErr_Occurred()) - PyErr_Clear(); - - // right now we know this function exists and is callable.. - PythonObject py_return(PyRefType::Owned, PyObject_CallMethod(implementor.get(), callee_name, nullptr)); + if (!implementor.IsAllocated()) + return false; - // if it fails, print the error but otherwise go on + PythonObject pmeth(PyRefType::Owned, + PyObject_GetAttrString(implementor.get(), callee_name)); + + if (PyErr_Occurred()) + PyErr_Clear(); + + if (!pmeth.IsAllocated()) + return false; + + if (PyCallable_Check(pmeth.get()) == 0) { if (PyErr_Occurred()) - { - PyErr_Print(); - PyErr_Clear(); - } + PyErr_Clear(); - if (py_return.IsAllocated() && PythonString::Check(py_return.get())) - { - PythonString str(PyRefType::Borrowed, py_return.get()); - llvm::StringRef str_data(str.GetString()); - dest.assign(str_data.data(), str_data.size()); - got_string = true; - } - - return got_string; -} + return false; + } -std::unique_ptr<ScriptInterpreterLocker> -ScriptInterpreterPython::AcquireInterpreterLock () -{ - std::unique_ptr<ScriptInterpreterLocker> py_lock(new Locker(this, - Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN, - Locker::FreeLock | Locker::TearDownSession)); - return py_lock; -} - -void -ScriptInterpreterPython::InitializeInterpreter (SWIGInitCallback swig_init_callback, - SWIGBreakpointCallbackFunction swig_breakpoint_callback, - SWIGWatchpointCallbackFunction swig_watchpoint_callback, - SWIGPythonTypeScriptCallbackFunction swig_typescript_callback, - SWIGPythonCreateSyntheticProvider swig_synthetic_script, - SWIGPythonCreateCommandObject swig_create_cmd, - SWIGPythonCalculateNumChildren swig_calc_children, - SWIGPythonGetChildAtIndex swig_get_child_index, - SWIGPythonGetIndexOfChildWithName swig_get_index_child, - SWIGPythonCastPyObjectToSBValue swig_cast_to_sbvalue , - SWIGPythonGetValueObjectSPFromSBValue swig_get_valobj_sp_from_sbvalue, - SWIGPythonUpdateSynthProviderInstance swig_update_provider, - SWIGPythonMightHaveChildrenSynthProviderInstance swig_mighthavechildren_provider, - SWIGPythonGetValueSynthProviderInstance swig_getvalue_provider, - SWIGPythonCallCommand swig_call_command, - SWIGPythonCallCommandObject swig_call_command_object, - SWIGPythonCallModuleInit swig_call_module_init, - SWIGPythonCreateOSPlugin swig_create_os_plugin, - SWIGPythonScriptKeyword_Process swig_run_script_keyword_process, - SWIGPythonScriptKeyword_Thread swig_run_script_keyword_thread, - SWIGPythonScriptKeyword_Target swig_run_script_keyword_target, - SWIGPythonScriptKeyword_Frame swig_run_script_keyword_frame, - SWIGPythonScriptKeyword_Value swig_run_script_keyword_value, - SWIGPython_GetDynamicSetting swig_plugin_get, - SWIGPythonCreateScriptedThreadPlan swig_thread_plan_script, - SWIGPythonCallThreadPlan swig_call_thread_plan) -{ - g_swig_init_callback = swig_init_callback; - g_swig_breakpoint_callback = swig_breakpoint_callback; - g_swig_watchpoint_callback = swig_watchpoint_callback; - g_swig_typescript_callback = swig_typescript_callback; - g_swig_synthetic_script = swig_synthetic_script; - g_swig_create_cmd = swig_create_cmd; - g_swig_calc_children = swig_calc_children; - g_swig_get_child_index = swig_get_child_index; - g_swig_get_index_child = swig_get_index_child; - g_swig_cast_to_sbvalue = swig_cast_to_sbvalue; - g_swig_get_valobj_sp_from_sbvalue = swig_get_valobj_sp_from_sbvalue; - g_swig_update_provider = swig_update_provider; - g_swig_mighthavechildren_provider = swig_mighthavechildren_provider; - g_swig_getvalue_provider = swig_getvalue_provider; - g_swig_call_command = swig_call_command; - 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_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; - g_swig_run_script_keyword_frame = swig_run_script_keyword_frame; - g_swig_run_script_keyword_value = swig_run_script_keyword_value; - 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; -} - -void -ScriptInterpreterPython::InitializePrivate () -{ - if (g_initialized) - return; - - g_initialized = true; - - Timer scoped_timer (__PRETTY_FUNCTION__, __PRETTY_FUNCTION__); - - // RAII-based initialization which correctly handles multiple-initialization, version- - // specific differences among Python 2 and Python 3, and saving and restoring various - // other pieces of state that can get mucked with during initialization. - InitializePythonRAII initialize_guard; - - if (g_swig_init_callback) - g_swig_init_callback (); - - // Update the path python uses to search for modules to include the current directory. - - PyRun_SimpleString ("import sys"); - AddToSysPath(AddLocation::End, "."); - - FileSpec file_spec; - // Don't denormalize paths when calling file_spec.GetPath(). On platforms that use - // a backslash as the path separator, this will result in executing python code containing - // paths with unescaped backslashes. But Python also accepts forward slashes, so to make - // life easier we just use that. - if (HostInfo::GetLLDBPath(ePathTypePythonDir, file_spec)) - AddToSysPath(AddLocation::Beginning, file_spec.GetPath(false)); - if (HostInfo::GetLLDBPath(ePathTypeLLDBShlibDir, file_spec)) - AddToSysPath(AddLocation::Beginning, file_spec.GetPath(false)); - - PyRun_SimpleString ("sys.dont_write_bytecode = 1; import lldb.embedded_interpreter; from lldb.embedded_interpreter import run_python_interpreter; from lldb.embedded_interpreter import run_one_line"); -} - -void -ScriptInterpreterPython::AddToSysPath(AddLocation location, std::string path) -{ - std::string path_copy; - - std::string statement; - if (location == AddLocation::Beginning) - { - statement.assign("sys.path.insert(0,\""); - statement.append (path); - statement.append ("\")"); - } - else - { - statement.assign("sys.path.append(\""); - statement.append(path); - statement.append("\")"); - } - PyRun_SimpleString (statement.c_str()); + if (PyErr_Occurred()) + PyErr_Clear(); + + // right now we know this function exists and is callable.. + PythonObject py_return( + PyRefType::Owned, + PyObject_CallMethod(implementor.get(), callee_name, nullptr)); + + // if it fails, print the error but otherwise go on + if (PyErr_Occurred()) { + PyErr_Print(); + PyErr_Clear(); + } + + if (py_return.IsAllocated() && PythonString::Check(py_return.get())) { + PythonString str(PyRefType::Borrowed, py_return.get()); + llvm::StringRef str_data(str.GetString()); + dest.assign(str_data.data(), str_data.size()); + got_string = true; + } + + return got_string; } +std::unique_ptr<ScriptInterpreterLocker> +ScriptInterpreterPython::AcquireInterpreterLock() { + std::unique_ptr<ScriptInterpreterLocker> py_lock(new Locker( + this, Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN, + Locker::FreeLock | Locker::TearDownSession)); + return py_lock; +} + +void ScriptInterpreterPython::InitializeInterpreter( + SWIGInitCallback swig_init_callback, + SWIGBreakpointCallbackFunction swig_breakpoint_callback, + SWIGWatchpointCallbackFunction swig_watchpoint_callback, + SWIGPythonTypeScriptCallbackFunction swig_typescript_callback, + SWIGPythonCreateSyntheticProvider swig_synthetic_script, + SWIGPythonCreateCommandObject swig_create_cmd, + SWIGPythonCalculateNumChildren swig_calc_children, + SWIGPythonGetChildAtIndex swig_get_child_index, + SWIGPythonGetIndexOfChildWithName swig_get_index_child, + SWIGPythonCastPyObjectToSBValue swig_cast_to_sbvalue, + SWIGPythonGetValueObjectSPFromSBValue swig_get_valobj_sp_from_sbvalue, + SWIGPythonUpdateSynthProviderInstance swig_update_provider, + SWIGPythonMightHaveChildrenSynthProviderInstance + swig_mighthavechildren_provider, + SWIGPythonGetValueSynthProviderInstance swig_getvalue_provider, + SWIGPythonCallCommand swig_call_command, + SWIGPythonCallCommandObject swig_call_command_object, + SWIGPythonCallModuleInit swig_call_module_init, + SWIGPythonCreateOSPlugin swig_create_os_plugin, + SWIGPythonScriptKeyword_Process swig_run_script_keyword_process, + SWIGPythonScriptKeyword_Thread swig_run_script_keyword_thread, + SWIGPythonScriptKeyword_Target swig_run_script_keyword_target, + SWIGPythonScriptKeyword_Frame swig_run_script_keyword_frame, + SWIGPythonScriptKeyword_Value swig_run_script_keyword_value, + SWIGPython_GetDynamicSetting swig_plugin_get, + SWIGPythonCreateScriptedThreadPlan swig_thread_plan_script, + SWIGPythonCallThreadPlan swig_call_thread_plan) { + g_swig_init_callback = swig_init_callback; + g_swig_breakpoint_callback = swig_breakpoint_callback; + g_swig_watchpoint_callback = swig_watchpoint_callback; + g_swig_typescript_callback = swig_typescript_callback; + g_swig_synthetic_script = swig_synthetic_script; + g_swig_create_cmd = swig_create_cmd; + g_swig_calc_children = swig_calc_children; + g_swig_get_child_index = swig_get_child_index; + g_swig_get_index_child = swig_get_index_child; + g_swig_cast_to_sbvalue = swig_cast_to_sbvalue; + g_swig_get_valobj_sp_from_sbvalue = swig_get_valobj_sp_from_sbvalue; + g_swig_update_provider = swig_update_provider; + g_swig_mighthavechildren_provider = swig_mighthavechildren_provider; + g_swig_getvalue_provider = swig_getvalue_provider; + g_swig_call_command = swig_call_command; + 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_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; + g_swig_run_script_keyword_frame = swig_run_script_keyword_frame; + g_swig_run_script_keyword_value = swig_run_script_keyword_value; + 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; +} + +void ScriptInterpreterPython::InitializePrivate() { + if (g_initialized) + return; -//void -//ScriptInterpreterPython::Terminate () + g_initialized = true; + + Timer scoped_timer(LLVM_PRETTY_FUNCTION, LLVM_PRETTY_FUNCTION); + + // RAII-based initialization which correctly handles multiple-initialization, + // version- + // specific differences among Python 2 and Python 3, and saving and restoring + // various + // other pieces of state that can get mucked with during initialization. + InitializePythonRAII initialize_guard; + + if (g_swig_init_callback) + g_swig_init_callback(); + + // Update the path python uses to search for modules to include the current + // directory. + + PyRun_SimpleString("import sys"); + AddToSysPath(AddLocation::End, "."); + + FileSpec file_spec; + // Don't denormalize paths when calling file_spec.GetPath(). On platforms + // that use + // a backslash as the path separator, this will result in executing python + // code containing + // paths with unescaped backslashes. But Python also accepts forward slashes, + // so to make + // life easier we just use that. + if (HostInfo::GetLLDBPath(ePathTypePythonDir, file_spec)) + AddToSysPath(AddLocation::Beginning, file_spec.GetPath(false)); + if (HostInfo::GetLLDBPath(ePathTypeLLDBShlibDir, file_spec)) + AddToSysPath(AddLocation::Beginning, file_spec.GetPath(false)); + + PyRun_SimpleString("sys.dont_write_bytecode = 1; import " + "lldb.embedded_interpreter; from " + "lldb.embedded_interpreter import run_python_interpreter; " + "from lldb.embedded_interpreter import run_one_line"); +} + +void ScriptInterpreterPython::AddToSysPath(AddLocation location, + std::string path) { + std::string path_copy; + + std::string statement; + if (location == AddLocation::Beginning) { + statement.assign("sys.path.insert(0,\""); + statement.append(path); + statement.append("\")"); + } else { + statement.assign("sys.path.append(\""); + statement.append(path); + statement.append("\")"); + } + PyRun_SimpleString(statement.c_str()); +} + +// void +// ScriptInterpreterPython::Terminate () //{ -// // We are intentionally NOT calling Py_Finalize here (this would be the logical place to call it). Calling -// // Py_Finalize here causes test suite runs to seg fault: The test suite runs in Python. It registers -// // SBDebugger::Terminate to be called 'at_exit'. When the test suite Python harness finishes up, it calls -// // Py_Finalize, which calls all the 'at_exit' registered functions. SBDebugger::Terminate calls Debugger::Terminate, -// // which calls lldb::Terminate, which calls ScriptInterpreter::Terminate, which calls -// // ScriptInterpreterPython::Terminate. So if we call Py_Finalize here, we end up with Py_Finalize being called from +// // We are intentionally NOT calling Py_Finalize here (this would be the +// logical place to call it). Calling +// // Py_Finalize here causes test suite runs to seg fault: The test suite +// runs in Python. It registers +// // SBDebugger::Terminate to be called 'at_exit'. When the test suite +// Python harness finishes up, it calls +// // Py_Finalize, which calls all the 'at_exit' registered functions. +// SBDebugger::Terminate calls Debugger::Terminate, +// // which calls lldb::Terminate, which calls ScriptInterpreter::Terminate, +// which calls +// // ScriptInterpreterPython::Terminate. So if we call Py_Finalize here, we +// end up with Py_Finalize being called from // // within Py_Finalize, which results in a seg fault. // // -// // Since this function only gets called when lldb is shutting down and going away anyway, the fact that we don't -// // actually call Py_Finalize should not cause any problems (everything should shut down/go away anyway when the +// // Since this function only gets called when lldb is shutting down and +// going away anyway, the fact that we don't +// // actually call Py_Finalize should not cause any problems (everything +// should shut down/go away anyway when the // // process exits). // // //// Py_Finalize (); |
