diff options
Diffstat (limited to 'contrib/llvm/tools/lldb/source/Interpreter/ScriptInterpreterPython.cpp')
| -rw-r--r-- | contrib/llvm/tools/lldb/source/Interpreter/ScriptInterpreterPython.cpp | 923 |
1 files changed, 634 insertions, 289 deletions
diff --git a/contrib/llvm/tools/lldb/source/Interpreter/ScriptInterpreterPython.cpp b/contrib/llvm/tools/lldb/source/Interpreter/ScriptInterpreterPython.cpp index ab15107..8f60793 100644 --- a/contrib/llvm/tools/lldb/source/Interpreter/ScriptInterpreterPython.cpp +++ b/contrib/llvm/tools/lldb/source/Interpreter/ScriptInterpreterPython.cpp @@ -30,6 +30,8 @@ #include "lldb/Core/Communication.h" #include "lldb/Core/Debugger.h" #include "lldb/Core/Timer.h" +#include "lldb/Core/ValueObject.h" +#include "lldb/DataFormatters/TypeSummary.h" #include "lldb/Host/ConnectionFileDescriptor.h" #include "lldb/Host/HostInfo.h" #include "lldb/Host/Pipe.h" @@ -43,34 +45,39 @@ #include "lldb/Host/windows/ConnectionGenericFileWindows.h" #endif +#include "llvm/ADT/StringRef.h" + using namespace lldb; using namespace lldb_private; - -static ScriptInterpreter::SWIGInitCallback g_swig_init_callback = nullptr; -static ScriptInterpreter::SWIGBreakpointCallbackFunction g_swig_breakpoint_callback = nullptr; -static ScriptInterpreter::SWIGWatchpointCallbackFunction g_swig_watchpoint_callback = nullptr; -static ScriptInterpreter::SWIGPythonTypeScriptCallbackFunction g_swig_typescript_callback = nullptr; -static ScriptInterpreter::SWIGPythonCreateSyntheticProvider g_swig_synthetic_script = nullptr; -static ScriptInterpreter::SWIGPythonCalculateNumChildren g_swig_calc_children = nullptr; -static ScriptInterpreter::SWIGPythonGetChildAtIndex g_swig_get_child_index = nullptr; -static ScriptInterpreter::SWIGPythonGetIndexOfChildWithName g_swig_get_index_child = nullptr; -static ScriptInterpreter::SWIGPythonCastPyObjectToSBValue g_swig_cast_to_sbvalue = nullptr; -static ScriptInterpreter::SWIGPythonGetValueObjectSPFromSBValue g_swig_get_valobj_sp_from_sbvalue = nullptr; -static ScriptInterpreter::SWIGPythonUpdateSynthProviderInstance g_swig_update_provider = nullptr; -static ScriptInterpreter::SWIGPythonMightHaveChildrenSynthProviderInstance g_swig_mighthavechildren_provider = nullptr; -static ScriptInterpreter::SWIGPythonGetValueSynthProviderInstance g_swig_getvalue_provider = nullptr; -static ScriptInterpreter::SWIGPythonCallCommand g_swig_call_command = nullptr; -static ScriptInterpreter::SWIGPythonCallModuleInit g_swig_call_module_init = nullptr; -static ScriptInterpreter::SWIGPythonCreateOSPlugin g_swig_create_os_plugin = nullptr; -static ScriptInterpreter::SWIGPythonScriptKeyword_Process g_swig_run_script_keyword_process = nullptr; -static ScriptInterpreter::SWIGPythonScriptKeyword_Thread g_swig_run_script_keyword_thread = nullptr; -static ScriptInterpreter::SWIGPythonScriptKeyword_Target g_swig_run_script_keyword_target = nullptr; -static ScriptInterpreter::SWIGPythonScriptKeyword_Frame g_swig_run_script_keyword_frame = nullptr; -static ScriptInterpreter::SWIGPythonScriptKeyword_Value g_swig_run_script_keyword_value = nullptr; -static ScriptInterpreter::SWIGPython_GetDynamicSetting g_swig_plugin_get = nullptr; -static ScriptInterpreter::SWIGPythonCreateScriptedThreadPlan g_swig_thread_plan_script = nullptr; -static ScriptInterpreter::SWIGPythonCallThreadPlan g_swig_call_thread_plan = nullptr; +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 bool g_initialized = false; static std::string ReadPythonBacktrace (PyObject* py_backtrace); @@ -103,13 +110,14 @@ ScriptInterpreterPython::Locker::DoAcquireLock() 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_Current); + m_python_interpreter->IncrementLockCount(); return true; } @@ -128,6 +136,7 @@ ScriptInterpreterPython::Locker::DoFreeLock() 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; } @@ -166,10 +175,10 @@ ScriptInterpreterPython::ScriptInterpreterPython (CommandInterpreter &interprete m_session_is_active (false), m_pty_slave_is_open (false), m_valid_session (true), + m_lock_count (0), m_command_thread_state (nullptr) { - - ScriptInterpreterPython::InitializePrivate (); + assert(g_initialized && "ScriptInterpreterPython created but initialize has not been called!"); m_dictionary_name.append("_dict"); StreamString run_string; @@ -182,17 +191,7 @@ ScriptInterpreterPython::ScriptInterpreterPython (CommandInterpreter &interprete run_string.Clear(); - // Importing 'lldb' module calls SBDebugger::Initialize, which calls Debugger::Initialize, which increments a - // global debugger ref-count; therefore we need to check the ref-count before and after importing lldb, and if the - // ref-count increased we need to call Debugger::Terminate here to decrement the ref-count so that when the final - // call to Debugger::Terminate is made, the ref-count has the correct value. - // - // Bonus question: Why doesn't the ref-count always increase? Because sometimes lldb has already been imported, in - // which case the code inside it, including the call to SBDebugger::Initialize(), does not get executed. - - int old_count = Debugger::TestDebuggerRefCount(); - - run_string.Printf ("run_one_line (%s, 'import copy, os, re, sys, uuid, lldb')", m_dictionary_name.c_str()); + 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()); // WARNING: temporary code that loads Cocoa formatters - this should be done on a per-platform basis rather than loading the whole set @@ -202,11 +201,6 @@ ScriptInterpreterPython::ScriptInterpreterPython (CommandInterpreter &interprete PyRun_SimpleString (run_string.GetData()); run_string.Clear(); - int new_count = Debugger::TestDebuggerRefCount(); - - if (new_count > old_count) - Debugger::Terminate(); - 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(); @@ -390,6 +384,13 @@ ScriptInterpreterPython::LeaveSession () m_session_is_active = false; } +static PyObject * +PyFile_FromFile_Const(FILE *fp, const char *name, const char *mode, int (*close)(FILE *)) +{ + // Read through the Python source, doesn't seem to modify these strings + return PyFile_FromFile(fp, const_cast<char*>(name), const_cast<char*>(mode), close); +} + bool ScriptInterpreterPython::EnterSession (uint16_t on_entry_flags, FILE *in, @@ -455,7 +456,7 @@ ScriptInterpreterPython::EnterSession (uint16_t on_entry_flags, { m_saved_stdin.Reset(sys_module_dict.GetItemForKey("stdin")); // This call can deadlock your process if the file is locked - PyObject *new_file = PyFile_FromFile (in, (char *) "", (char *) "r", nullptr); + PyObject *new_file = PyFile_FromFile_Const (in, "", "r", nullptr); sys_module_dict.SetItemForKey ("stdin", new_file); Py_DECREF (new_file); } @@ -467,7 +468,7 @@ ScriptInterpreterPython::EnterSession (uint16_t on_entry_flags, { m_saved_stdout.Reset(sys_module_dict.GetItemForKey("stdout")); - PyObject *new_file = PyFile_FromFile (out, (char *) "", (char *) "w", nullptr); + PyObject *new_file = PyFile_FromFile_Const (out, "", "w", nullptr); sys_module_dict.SetItemForKey ("stdout", new_file); Py_DECREF (new_file); } @@ -480,7 +481,7 @@ ScriptInterpreterPython::EnterSession (uint16_t on_entry_flags, { m_saved_stderr.Reset(sys_module_dict.GetItemForKey("stderr")); - PyObject *new_file = PyFile_FromFile (err, (char *) "", (char *) "w", nullptr); + PyObject *new_file = PyFile_FromFile_Const (err, "", "w", nullptr); sys_module_dict.SetItemForKey ("stderr", new_file); Py_DECREF (new_file); } @@ -535,7 +536,7 @@ ScriptInterpreterPython::GetSysModuleDictionary () static std::string GenerateUniqueName (const char* base_name_wanted, uint32_t& functions_counter, - void* name_token = nullptr) + const void* name_token = nullptr) { StreamString sstr; @@ -735,22 +736,21 @@ public: } - virtual - ~IOHandlerPythonInterpreter() + ~IOHandlerPythonInterpreter() override { } - virtual ConstString - GetControlSequence (char ch) + ConstString + GetControlSequence (char ch) override { if (ch == 'd') return ConstString("quit()\n"); return ConstString(); } - virtual void - Run () + void + Run () override { if (m_python) { @@ -796,49 +796,20 @@ public: SetIsDone(true); } - virtual void - Hide () - { - - } - - virtual void - Refresh () - { - - } - - virtual void - Cancel () + void + Cancel () override { } - virtual bool - Interrupt () + bool + Interrupt () override { - Log *log (lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_SCRIPT)); - - PyThreadState* state = _PyThreadState_Current; - if (!state) - state = m_python->GetThreadState(); - if (state) - { - long tid = state->thread_id; - _PyThreadState_Current = state; - int num_threads = PyThreadState_SetAsyncExc(tid, PyExc_KeyboardInterrupt); - if (log) - log->Printf("ScriptInterpreterPython::NonInteractiveInputReaderCallback, eInputReaderInterrupt, tid = %ld, num_threads = %d, state = %p", - tid, num_threads, static_cast<void *>(state)); - } - else if (log) - log->Printf("ScriptInterpreterPython::NonInteractiveInputReaderCallback, eInputReaderInterrupt, state = NULL"); - - return false; + return m_python->Interrupt(); } - virtual void - GotEOF() + void + GotEOF() override { } @@ -870,6 +841,31 @@ ScriptInterpreterPython::ExecuteInterpreterLoop () } bool +ScriptInterpreterPython::Interrupt() +{ + Log *log (lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_SCRIPT)); + + if (IsExecutingPython()) + { + PyThreadState* state = _PyThreadState_Current; + if (!state) + state = GetThreadState(); + if (state) + { + long tid = state->thread_id; + _PyThreadState_Current = 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, @@ -1243,7 +1239,7 @@ ScriptInterpreterPython::GenerateFunction(const char *signature, const StringLis } bool -ScriptInterpreterPython::GenerateTypeScriptFunction (StringList &user_input, std::string& output, void* name_token) +ScriptInterpreterPython::GenerateTypeScriptFunction (StringList &user_input, std::string& output, const void* name_token) { static uint32_t num_created_functions = 0; user_input.RemoveBlankLines (); @@ -1292,7 +1288,7 @@ ScriptInterpreterPython::GenerateScriptAliasFunction (StringList &user_input, st bool -ScriptInterpreterPython::GenerateTypeSynthClass (StringList &user_input, std::string &output, void* name_token) +ScriptInterpreterPython::GenerateTypeSynthClass (StringList &user_input, std::string &output, const void* name_token) { static uint32_t num_created_classes = 0; user_input.RemoveBlankLines (); @@ -1337,15 +1333,15 @@ ScriptInterpreterPython::GenerateTypeSynthClass (StringList &user_input, std::st return true; } -lldb::ScriptInterpreterObjectSP -ScriptInterpreterPython::OSPlugin_CreatePluginObject (const char *class_name, lldb::ProcessSP process_sp) +StructuredData::GenericSP +ScriptInterpreterPython::OSPlugin_CreatePluginObject(const char *class_name, lldb::ProcessSP process_sp) { if (class_name == nullptr || class_name[0] == '\0') - return lldb::ScriptInterpreterObjectSP(); - + return StructuredData::GenericSP(); + if (!process_sp) - return lldb::ScriptInterpreterObjectSP(); - + return StructuredData::GenericSP(); + void* ret_val; { @@ -1356,12 +1352,12 @@ ScriptInterpreterPython::OSPlugin_CreatePluginObject (const char *class_name, ll m_dictionary_name.c_str(), process_sp); } - - return MakeScriptObject(ret_val); + + return StructuredData::GenericSP(new StructuredPythonObject(ret_val)); } -lldb::ScriptInterpreterObjectSP -ScriptInterpreterPython::OSPlugin_RegisterInfo (lldb::ScriptInterpreterObjectSP os_plugin_object_sp) +StructuredData::DictionarySP +ScriptInterpreterPython::OSPlugin_RegisterInfo(StructuredData::ObjectSP os_plugin_object_sp) { Locker py_lock(this, Locker::AcquireLock | Locker::NoSTDIN, @@ -1370,13 +1366,17 @@ ScriptInterpreterPython::OSPlugin_RegisterInfo (lldb::ScriptInterpreterObjectSP static char callee_name[] = "get_register_info"; if (!os_plugin_object_sp) - return lldb::ScriptInterpreterObjectSP(); - - PyObject* implementor = (PyObject*)os_plugin_object_sp->GetObject(); - + return StructuredData::DictionarySP(); + + StructuredData::Generic *generic = os_plugin_object_sp->GetAsGeneric(); + if (!generic) + return nullptr; + + PyObject *implementor = (PyObject *)generic->GetValue(); + if (implementor == nullptr || implementor == Py_None) - return lldb::ScriptInterpreterObjectSP(); - + return StructuredData::DictionarySP(); + PyObject* pmeth = PyObject_GetAttrString(implementor, callee_name); if (PyErr_Occurred()) @@ -1387,7 +1387,7 @@ ScriptInterpreterPython::OSPlugin_RegisterInfo (lldb::ScriptInterpreterObjectSP if (pmeth == nullptr || pmeth == Py_None) { Py_XDECREF(pmeth); - return lldb::ScriptInterpreterObjectSP(); + return StructuredData::DictionarySP(); } if (PyCallable_Check(pmeth) == 0) @@ -1398,7 +1398,7 @@ ScriptInterpreterPython::OSPlugin_RegisterInfo (lldb::ScriptInterpreterObjectSP } Py_XDECREF(pmeth); - return lldb::ScriptInterpreterObjectSP(); + return StructuredData::DictionarySP(); } if (PyErr_Occurred()) @@ -1417,27 +1417,31 @@ ScriptInterpreterPython::OSPlugin_RegisterInfo (lldb::ScriptInterpreterObjectSP PyErr_Print(); PyErr_Clear(); } - - return MakeScriptObject(py_return); + + PythonDictionary result_dict(py_return); + return result_dict.CreateStructuredDictionary(); } -lldb::ScriptInterpreterObjectSP -ScriptInterpreterPython::OSPlugin_ThreadsInfo (lldb::ScriptInterpreterObjectSP os_plugin_object_sp) +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"; - + if (!os_plugin_object_sp) - return lldb::ScriptInterpreterObjectSP(); - - PyObject* implementor = (PyObject*)os_plugin_object_sp->GetObject(); - + return StructuredData::ArraySP(); + + StructuredData::Generic *generic = os_plugin_object_sp->GetAsGeneric(); + if (!generic) + return nullptr; + PyObject *implementor = (PyObject *)generic->GetValue(); + if (implementor == nullptr || implementor == Py_None) - return lldb::ScriptInterpreterObjectSP(); - + return StructuredData::ArraySP(); + PyObject* pmeth = PyObject_GetAttrString(implementor, callee_name); if (PyErr_Occurred()) @@ -1448,7 +1452,7 @@ ScriptInterpreterPython::OSPlugin_ThreadsInfo (lldb::ScriptInterpreterObjectSP o if (pmeth == nullptr || pmeth == Py_None) { Py_XDECREF(pmeth); - return lldb::ScriptInterpreterObjectSP(); + return StructuredData::ArraySP(); } if (PyCallable_Check(pmeth) == 0) @@ -1459,7 +1463,7 @@ ScriptInterpreterPython::OSPlugin_ThreadsInfo (lldb::ScriptInterpreterObjectSP o } Py_XDECREF(pmeth); - return lldb::ScriptInterpreterObjectSP(); + return StructuredData::ArraySP(); } if (PyErr_Occurred()) @@ -1478,8 +1482,9 @@ ScriptInterpreterPython::OSPlugin_ThreadsInfo (lldb::ScriptInterpreterObjectSP o PyErr_Print(); PyErr_Clear(); } - - return MakeScriptObject(py_return); + + PythonList ResultList(py_return); + return ResultList.CreateStructuredArray(); } // GetPythonValueFormatString provides a system independent type safe way to @@ -1508,9 +1513,8 @@ template <> const char *GetPythonValueFormatString (unsigned long long) { return template <> const char *GetPythonValueFormatString (float t) { return "f"; } template <> const char *GetPythonValueFormatString (double t) { return "d"; } -lldb::ScriptInterpreterObjectSP -ScriptInterpreterPython::OSPlugin_RegisterContextData (lldb::ScriptInterpreterObjectSP os_plugin_object_sp, - lldb::tid_t tid) +StructuredData::StringSP +ScriptInterpreterPython::OSPlugin_RegisterContextData(StructuredData::ObjectSP os_plugin_object_sp, lldb::tid_t tid) { Locker py_lock (this, Locker::AcquireLock | Locker::NoSTDIN, @@ -1520,12 +1524,15 @@ ScriptInterpreterPython::OSPlugin_RegisterContextData (lldb::ScriptInterpreterOb static char *param_format = const_cast<char *>(GetPythonValueFormatString(tid)); if (!os_plugin_object_sp) - return lldb::ScriptInterpreterObjectSP(); - - PyObject* implementor = (PyObject*)os_plugin_object_sp->GetObject(); - + return StructuredData::StringSP(); + + StructuredData::Generic *generic = os_plugin_object_sp->GetAsGeneric(); + if (!generic) + return nullptr; + PyObject *implementor = (PyObject *)generic->GetValue(); + if (implementor == nullptr || implementor == Py_None) - return lldb::ScriptInterpreterObjectSP(); + return StructuredData::StringSP(); PyObject* pmeth = PyObject_GetAttrString(implementor, callee_name); @@ -1537,7 +1544,7 @@ ScriptInterpreterPython::OSPlugin_RegisterContextData (lldb::ScriptInterpreterOb if (pmeth == nullptr || pmeth == Py_None) { Py_XDECREF(pmeth); - return lldb::ScriptInterpreterObjectSP(); + return StructuredData::StringSP(); } if (PyCallable_Check(pmeth) == 0) @@ -1548,7 +1555,7 @@ ScriptInterpreterPython::OSPlugin_RegisterContextData (lldb::ScriptInterpreterOb } Py_XDECREF(pmeth); - return lldb::ScriptInterpreterObjectSP(); + return StructuredData::StringSP(); } if (PyErr_Occurred()) @@ -1567,14 +1574,12 @@ ScriptInterpreterPython::OSPlugin_RegisterContextData (lldb::ScriptInterpreterOb PyErr_Print(); PyErr_Clear(); } - - return MakeScriptObject(py_return); + PythonString result_string(py_return); + return result_string.CreateStructuredString(); } -lldb::ScriptInterpreterObjectSP -ScriptInterpreterPython::OSPlugin_CreateThread (lldb::ScriptInterpreterObjectSP os_plugin_object_sp, - lldb::tid_t tid, - lldb::addr_t context) +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, @@ -1586,13 +1591,16 @@ ScriptInterpreterPython::OSPlugin_CreateThread (lldb::ScriptInterpreterObjectSP param_format += GetPythonValueFormatString(context); if (!os_plugin_object_sp) - return lldb::ScriptInterpreterObjectSP(); - - PyObject* implementor = (PyObject*)os_plugin_object_sp->GetObject(); - + return StructuredData::DictionarySP(); + + StructuredData::Generic *generic = os_plugin_object_sp->GetAsGeneric(); + if (!generic) + return nullptr; + PyObject *implementor = (PyObject *)generic->GetValue(); + if (implementor == nullptr || implementor == Py_None) - return lldb::ScriptInterpreterObjectSP(); - + return StructuredData::DictionarySP(); + PyObject* pmeth = PyObject_GetAttrString(implementor, callee_name); if (PyErr_Occurred()) @@ -1603,7 +1611,7 @@ ScriptInterpreterPython::OSPlugin_CreateThread (lldb::ScriptInterpreterObjectSP if (pmeth == nullptr || pmeth == Py_None) { Py_XDECREF(pmeth); - return lldb::ScriptInterpreterObjectSP(); + return StructuredData::DictionarySP(); } if (PyCallable_Check(pmeth) == 0) @@ -1614,7 +1622,7 @@ ScriptInterpreterPython::OSPlugin_CreateThread (lldb::ScriptInterpreterObjectSP } Py_XDECREF(pmeth); - return lldb::ScriptInterpreterObjectSP(); + return StructuredData::DictionarySP(); } if (PyErr_Occurred()) @@ -1633,27 +1641,27 @@ ScriptInterpreterPython::OSPlugin_CreateThread (lldb::ScriptInterpreterObjectSP PyErr_Print(); PyErr_Clear(); } - - return MakeScriptObject(py_return); + + PythonDictionary result_dict(py_return); + return result_dict.CreateStructuredDictionary(); } -lldb::ScriptInterpreterObjectSP -ScriptInterpreterPython::CreateScriptedThreadPlan (const char *class_name, - lldb::ThreadPlanSP thread_plan_sp) +StructuredData::ObjectSP +ScriptInterpreterPython::CreateScriptedThreadPlan(const char *class_name, lldb::ThreadPlanSP thread_plan_sp) { if (class_name == nullptr || class_name[0] == '\0') - return lldb::ScriptInterpreterObjectSP(); - + return StructuredData::ObjectSP(); + if (!thread_plan_sp.get()) - return lldb::ScriptInterpreterObjectSP(); + 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 lldb::ScriptInterpreterObjectSP(); - + return StructuredData::ObjectSP(); + void* ret_val; { @@ -1663,20 +1671,21 @@ ScriptInterpreterPython::CreateScriptedThreadPlan (const char *class_name, python_interpreter->m_dictionary_name.c_str(), thread_plan_sp); } - - return MakeScriptObject(ret_val); + + return StructuredData::ObjectSP(new StructuredPythonObject(ret_val)); } bool -ScriptInterpreterPython::ScriptedThreadPlanExplainsStop (lldb::ScriptInterpreterObjectSP implementor_sp, - Event *event, - bool &script_error) +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 (implementor_sp->GetObject(), "explains_stop", event, script_error); + explains_stop = g_swig_call_thread_plan(generic->GetValue(), "explains_stop", event, script_error); if (script_error) return true; } @@ -1684,15 +1693,16 @@ ScriptInterpreterPython::ScriptedThreadPlanExplainsStop (lldb::ScriptInterpreter } bool -ScriptInterpreterPython::ScriptedThreadPlanShouldStop (lldb::ScriptInterpreterObjectSP implementor_sp, - Event *event, - bool &script_error) +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 (implementor_sp->GetObject(), "should_stop", event, script_error); + should_stop = g_swig_call_thread_plan(generic->GetValue(), "should_stop", event, script_error); if (script_error) return true; } @@ -1700,14 +1710,16 @@ ScriptInterpreterPython::ScriptedThreadPlanShouldStop (lldb::ScriptInterpreterOb } lldb::StateType -ScriptInterpreterPython::ScriptedThreadPlanGetRunState (lldb::ScriptInterpreterObjectSP implementor_sp, - bool &script_error) +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 (implementor_sp->GetObject(), "should_step", NULL, script_error); + should_step = g_swig_call_thread_plan(generic->GetValue(), "should_step", NULL, script_error); if (script_error) should_step = true; } @@ -1717,72 +1729,69 @@ ScriptInterpreterPython::ScriptedThreadPlanGetRunState (lldb::ScriptInterpreterO return lldb::eStateRunning; } - -lldb::ScriptInterpreterObjectSP -ScriptInterpreterPython::LoadPluginModule (const FileSpec& file_spec, - lldb_private::Error& error) +StructuredData::ObjectSP +ScriptInterpreterPython::LoadPluginModule(const FileSpec &file_spec, lldb_private::Error &error) { if (!file_spec.Exists()) { error.SetErrorString("no such file"); - return lldb::ScriptInterpreterObjectSP(); + return StructuredData::ObjectSP(); } - ScriptInterpreterObjectSP module_sp; - + StructuredData::ObjectSP module_sp; + if (LoadScriptingModule(file_spec.GetPath().c_str(),true,true,error,&module_sp)) return module_sp; - - return lldb::ScriptInterpreterObjectSP(); + + return StructuredData::ObjectSP(); } -lldb::ScriptInterpreterObjectSP -ScriptInterpreterPython::GetDynamicSettings (lldb::ScriptInterpreterObjectSP plugin_module_sp, - Target* target, - const char* setting_name, - lldb_private::Error& error) +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]) - return lldb::ScriptInterpreterObjectSP(); - - if (!g_swig_plugin_get) - return lldb::ScriptInterpreterObjectSP(); - + 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(); + PyObject *reply_pyobj = nullptr; { Locker py_lock(this, Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); TargetSP target_sp(target->shared_from_this()); - reply_pyobj = (PyObject*)g_swig_plugin_get(plugin_module_sp->GetObject(),setting_name,target_sp); + reply_pyobj = (PyObject *)g_swig_plugin_get(generic->GetValue(), setting_name, target_sp); } - - return MakeScriptObject(reply_pyobj); + + PythonDictionary py_dict(reply_pyobj); + + return py_dict.CreateStructuredDictionary(); } -lldb::ScriptInterpreterObjectSP -ScriptInterpreterPython::CreateSyntheticScriptedProvider (const char *class_name, - lldb::ValueObjectSP valobj) +StructuredData::ObjectSP +ScriptInterpreterPython::CreateSyntheticScriptedProvider(const char *class_name, lldb::ValueObjectSP valobj) { if (class_name == nullptr || class_name[0] == '\0') - return lldb::ScriptInterpreterObjectSP(); - + return StructuredData::ObjectSP(); + if (!valobj.get()) - return lldb::ScriptInterpreterObjectSP(); - + return StructuredData::ObjectSP(); + ExecutionContext exe_ctx (valobj->GetExecutionContextRef()); Target *target = exe_ctx.GetTargetPtr(); if (!target) - return lldb::ScriptInterpreterObjectSP(); - + return StructuredData::ObjectSP(); + Debugger &debugger = target->GetDebugger(); ScriptInterpreter *script_interpreter = debugger.GetCommandInterpreter().GetScriptInterpreter(); ScriptInterpreterPython *python_interpreter = (ScriptInterpreterPython *) script_interpreter; if (!script_interpreter) - return lldb::ScriptInterpreterObjectSP(); - - void* ret_val; + return StructuredData::ObjectSP(); + + void *ret_val = nullptr; { Locker py_lock(this, Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); @@ -1790,12 +1799,35 @@ ScriptInterpreterPython::CreateSyntheticScriptedProvider (const char *class_name python_interpreter->m_dictionary_name.c_str(), valobj); } + + 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 MakeScriptObject(ret_val); + return StructuredData::GenericSP(new StructuredPythonObject(ret_val)); } bool -ScriptInterpreterPython::GenerateTypeScriptFunction (const char* oneliner, std::string& output, void* name_token) +ScriptInterpreterPython::GenerateTypeScriptFunction (const char* oneliner, std::string& output, const void* name_token) { StringList input; input.SplitIntoLines(oneliner, strlen(oneliner)); @@ -1803,7 +1835,7 @@ ScriptInterpreterPython::GenerateTypeScriptFunction (const char* oneliner, std:: } bool -ScriptInterpreterPython::GenerateTypeSynthClass (const char* oneliner, std::string& output, void* name_token) +ScriptInterpreterPython::GenerateTypeSynthClass (const char* oneliner, std::string& output, const void* name_token) { StringList input; input.SplitIntoLines(oneliner, strlen(oneliner)); @@ -1858,11 +1890,9 @@ ScriptInterpreterPython::GenerateWatchpointCommandCallbackData (StringList &user } bool -ScriptInterpreterPython::GetScriptedSummary (const char *python_function_name, - lldb::ValueObjectSP valobj, - lldb::ScriptInterpreterObjectSP& callee_wrapper_sp, - const TypeSummaryOptions& options, - std::string& retval) +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__); @@ -1872,13 +1902,19 @@ ScriptInterpreterPython::GetScriptedSummary (const char *python_function_name, retval.assign("<no object>"); return false; } - - void* old_callee = (callee_wrapper_sp ? callee_wrapper_sp->GetObject() : nullptr); + + 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) + if (python_function_name && *python_function_name) { { Locker py_lock(this, Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); @@ -1902,10 +1938,9 @@ ScriptInterpreterPython::GetScriptedSummary (const char *python_function_name, } if (new_callee && old_callee != new_callee) - callee_wrapper_sp = MakeScriptObject(new_callee); - + callee_wrapper_sp.reset(new StructuredPythonObject(new_callee)); + return ret_val; - } void @@ -2031,20 +2066,21 @@ ScriptInterpreterPython::WatchpointCallbackFunction } size_t -ScriptInterpreterPython::CalculateNumChildren (const lldb::ScriptInterpreterObjectSP& implementor_sp) +ScriptInterpreterPython::CalculateNumChildren(const StructuredData::ObjectSP &implementor_sp) { if (!implementor_sp) return 0; - - void* implementor = implementor_sp->GetObject(); - + 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; - uint32_t ret_val = 0; + size_t ret_val = 0; { Locker py_lock(this, Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN); @@ -2055,13 +2091,15 @@ ScriptInterpreterPython::CalculateNumChildren (const lldb::ScriptInterpreterObje } lldb::ValueObjectSP -ScriptInterpreterPython::GetChildAtIndex (const lldb::ScriptInterpreterObjectSP& implementor_sp, uint32_t idx) +ScriptInterpreterPython::GetChildAtIndex(const StructuredData::ObjectSP &implementor_sp, uint32_t idx) { if (!implementor_sp) return lldb::ValueObjectSP(); - - void* implementor = implementor_sp->GetObject(); - + + StructuredData::Generic *generic = implementor_sp->GetAsGeneric(); + if (!generic) + return lldb::ValueObjectSP(); + void *implementor = generic->GetValue(); if (!implementor) return lldb::ValueObjectSP(); @@ -2091,13 +2129,15 @@ ScriptInterpreterPython::GetChildAtIndex (const lldb::ScriptInterpreterObjectSP& } int -ScriptInterpreterPython::GetIndexOfChildWithName (const lldb::ScriptInterpreterObjectSP& implementor_sp, const char* child_name) +ScriptInterpreterPython::GetIndexOfChildWithName(const StructuredData::ObjectSP &implementor_sp, const char *child_name) { if (!implementor_sp) return UINT32_MAX; - - void* implementor = implementor_sp->GetObject(); - + + StructuredData::Generic *generic = implementor_sp->GetAsGeneric(); + if (!generic) + return UINT32_MAX; + void *implementor = generic->GetValue(); if (!implementor) return UINT32_MAX; @@ -2115,15 +2155,17 @@ ScriptInterpreterPython::GetIndexOfChildWithName (const lldb::ScriptInterpreterO } bool -ScriptInterpreterPython::UpdateSynthProviderInstance (const lldb::ScriptInterpreterObjectSP& implementor_sp) +ScriptInterpreterPython::UpdateSynthProviderInstance(const StructuredData::ObjectSP &implementor_sp) { bool ret_val = false; if (!implementor_sp) return ret_val; - - void* implementor = implementor_sp->GetObject(); - + + StructuredData::Generic *generic = implementor_sp->GetAsGeneric(); + if (!generic) + return ret_val; + void *implementor = generic->GetValue(); if (!implementor) return ret_val; @@ -2139,15 +2181,17 @@ ScriptInterpreterPython::UpdateSynthProviderInstance (const lldb::ScriptInterpre } bool -ScriptInterpreterPython::MightHaveChildrenSynthProviderInstance (const lldb::ScriptInterpreterObjectSP& implementor_sp) +ScriptInterpreterPython::MightHaveChildrenSynthProviderInstance(const StructuredData::ObjectSP &implementor_sp) { bool ret_val = false; if (!implementor_sp) return ret_val; - - void* implementor = implementor_sp->GetObject(); - + + StructuredData::Generic *generic = implementor_sp->GetAsGeneric(); + if (!generic) + return ret_val; + void *implementor = generic->GetValue(); if (!implementor) return ret_val; @@ -2163,15 +2207,17 @@ ScriptInterpreterPython::MightHaveChildrenSynthProviderInstance (const lldb::Scr } lldb::ValueObjectSP -ScriptInterpreterPython::GetSyntheticValue (const lldb::ScriptInterpreterObjectSP& implementor_sp) +ScriptInterpreterPython::GetSyntheticValue(const StructuredData::ObjectSP &implementor_sp) { lldb::ValueObjectSP ret_val(nullptr); if (!implementor_sp) return ret_val; - - void* implementor = implementor_sp->GetObject(); - + + StructuredData::Generic *generic = implementor_sp->GetAsGeneric(); + if (!generic) + return ret_val; + void *implementor = generic->GetValue(); if (!implementor) return ret_val; @@ -2429,11 +2475,8 @@ uint64_t replace_all(std::string& str, const std::string& oldStr, const std::str } bool -ScriptInterpreterPython::LoadScriptingModule (const char* pathname, - bool can_reload, - bool init_session, - lldb_private::Error& error, - lldb::ScriptInterpreterObjectSP* module_sp) +ScriptInterpreterPython::LoadScriptingModule(const char *pathname, bool can_reload, bool init_session, lldb_private::Error &error, + StructuredData::ObjectSP *module_sp) { if (!pathname || !pathname[0]) { @@ -2564,17 +2607,36 @@ ScriptInterpreterPython::LoadScriptingModule (const char* pathname, command_stream.Printf("%s",basename.c_str()); void* module_pyobj = nullptr; if (ExecuteOneLineWithReturn(command_stream.GetData(),ScriptInterpreter::eScriptReturnTypeOpaqueObject,&module_pyobj) && module_pyobj) - *module_sp = MakeScriptObject(module_pyobj); + module_sp->reset(new StructuredPythonObject(module_pyobj)); } return true; } } -lldb::ScriptInterpreterObjectSP -ScriptInterpreterPython::MakeScriptObject (void* object) +bool +ScriptInterpreterPython::IsReservedWord (const char* word) { - return lldb::ScriptInterpreterObjectSP(new ScriptInterpreterPythonObject(object)); + if (!word || !word[0]) + return false; + + 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; } ScriptInterpreterPython::SynchronicityHandler::SynchronicityHandler (lldb::DebuggerSP debugger_sp, @@ -2652,6 +2714,62 @@ ScriptInterpreterPython::RunScriptBasedCommand(const char* impl_function, 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(); + + 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 @@ -2684,6 +2802,228 @@ ScriptInterpreterPython::GetDocumentationForItem(const char* item, std::string& } } +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; + + PyObject* implementor = (PyObject*)cmd_obj_sp->GetValue(); + + if (implementor == nullptr || implementor == Py_None) + return false; + + PyObject* pmeth = PyObject_GetAttrString(implementor, callee_name); + + if (PyErr_Occurred()) + { + PyErr_Clear(); + } + + if (pmeth == nullptr || pmeth == Py_None) + { + Py_XDECREF(pmeth); + return false; + } + + if (PyCallable_Check(pmeth) == 0) + { + if (PyErr_Occurred()) + { + PyErr_Clear(); + } + + Py_XDECREF(pmeth); + return false; + } + + if (PyErr_Occurred()) + { + PyErr_Clear(); + } + + Py_XDECREF(pmeth); + + // right now we know this function exists and is callable.. + PyObject* py_return = PyObject_CallMethod(implementor, callee_name, nullptr); + + // if it fails, print the error but otherwise go on + if (PyErr_Occurred()) + { + PyErr_Print(); + PyErr_Clear(); + } + + if (py_return != nullptr && py_return != Py_None) + { + if (PyString_Check(py_return)) + { + dest.assign(PyString_AsString(py_return)); + got_string = true; + } + } + Py_XDECREF(py_return); + + 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; + + PyObject* implementor = (PyObject*)cmd_obj_sp->GetValue(); + + if (implementor == nullptr || implementor == Py_None) + return result; + + PyObject* pmeth = PyObject_GetAttrString(implementor, callee_name); + + if (PyErr_Occurred()) + { + PyErr_Clear(); + } + + if (pmeth == nullptr || pmeth == Py_None) + { + Py_XDECREF(pmeth); + return result; + } + + if (PyCallable_Check(pmeth) == 0) + { + if (PyErr_Occurred()) + { + PyErr_Clear(); + } + + Py_XDECREF(pmeth); + return result; + } + + if (PyErr_Occurred()) + { + PyErr_Clear(); + } + + Py_XDECREF(pmeth); + + // right now we know this function exists and is callable.. + PyObject* py_return = PyObject_CallMethod(implementor, callee_name, nullptr); + + // if it fails, print the error but otherwise go on + if (PyErr_Occurred()) + { + PyErr_Print(); + PyErr_Clear(); + } + + if (py_return != nullptr && py_return != Py_None) + { + if (PyInt_Check(py_return)) + result = (uint32_t)PyInt_AsLong(py_return); + else if (PyLong_Check(py_return)) + result = (uint32_t)PyLong_AsLong(py_return); + } + Py_XDECREF(py_return); + + 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; + + PyObject* implementor = (PyObject*)cmd_obj_sp->GetValue(); + + if (implementor == nullptr || implementor == Py_None) + return false; + + PyObject* pmeth = PyObject_GetAttrString(implementor, callee_name); + + if (PyErr_Occurred()) + { + PyErr_Clear(); + } + + if (pmeth == nullptr || pmeth == Py_None) + { + Py_XDECREF(pmeth); + return false; + } + + if (PyCallable_Check(pmeth) == 0) + { + if (PyErr_Occurred()) + { + PyErr_Clear(); + } + + Py_XDECREF(pmeth); + return false; + } + + if (PyErr_Occurred()) + { + PyErr_Clear(); + } + + Py_XDECREF(pmeth); + + // right now we know this function exists and is callable.. + PyObject* py_return = PyObject_CallMethod(implementor, callee_name, nullptr); + + // if it fails, print the error but otherwise go on + if (PyErr_Occurred()) + { + PyErr_Print(); + PyErr_Clear(); + } + + if (py_return != nullptr && py_return != Py_None) + { + if (PyString_Check(py_return)) + { + dest.assign(PyString_AsString(py_return)); + got_string = true; + } + } + Py_XDECREF(py_return); + + return got_string; +} + std::unique_ptr<ScriptInterpreterLocker> ScriptInterpreterPython::AcquireInterpreterLock () { @@ -2699,6 +3039,7 @@ ScriptInterpreterPython::InitializeInterpreter (SWIGInitCallback swig_init_callb 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, @@ -2708,6 +3049,7 @@ ScriptInterpreterPython::InitializeInterpreter (SWIGInitCallback swig_init_callb 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, @@ -2724,6 +3066,7 @@ ScriptInterpreterPython::InitializeInterpreter (SWIGInitCallback swig_init_callb 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; @@ -2733,6 +3076,7 @@ ScriptInterpreterPython::InitializeInterpreter (SWIGInitCallback swig_init_callb 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; @@ -2748,11 +3092,7 @@ ScriptInterpreterPython::InitializeInterpreter (SWIGInitCallback swig_init_callb void ScriptInterpreterPython::InitializePrivate () { - static int g_initialized = false; - - if (g_initialized) - return; - + assert(!g_initialized && "ScriptInterpreterPython::InitializePrivate() called more than once!"); g_initialized = true; Timer scoped_timer (__PRETTY_FUNCTION__, __PRETTY_FUNCTION__); @@ -2762,6 +3102,9 @@ ScriptInterpreterPython::InitializePrivate () TerminalState stdin_tty_state; stdin_tty_state.Save(STDIN_FILENO, false); +#if defined(LLDB_PYTHON_HOME) + Py_SetPythonHome(LLDB_PYTHON_HOME); +#endif PyGILState_STATE gstate; Log *log (lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_SCRIPT | LIBLLDB_LOG_VERBOSE)); bool threads_already_initialized = false; @@ -2776,43 +3119,23 @@ ScriptInterpreterPython::InitializePrivate () } Py_InitializeEx (0); - // Initialize SWIG after setting up python 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"); - PyRun_SimpleString ("sys.path.append ('.')"); - - // Find the module that owns this code and use that path we get to - // set the sys.path appropriately. + AddToSysPath(AddLocation::End, "."); FileSpec file_spec; - char python_dir_path[PATH_MAX]; + // 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)) - { - std::string python_path("sys.path.insert(0,\""); - size_t orig_len = python_path.length(); - if (file_spec.GetPath(python_dir_path, sizeof (python_dir_path))) - { - python_path.append (python_dir_path); - python_path.append ("\")"); - PyRun_SimpleString (python_path.c_str()); - python_path.resize (orig_len); - } - - if (HostInfo::GetLLDBPath(ePathTypeLLDBShlibDir, file_spec)) - { - if (file_spec.GetPath(python_dir_path, sizeof (python_dir_path))) - { - python_path.append (python_dir_path); - python_path.append ("\")"); - PyRun_SimpleString (python_path.c_str()); - python_path.resize (orig_len); - } - } - } + 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"); @@ -2828,6 +3151,28 @@ ScriptInterpreterPython::InitializePrivate () stdin_tty_state.Restore(); } +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 () //{ |
