mirror of
https://github.com/Gericom/teak-llvm.git
synced 2025-06-23 05:25:50 -04:00
7d86ee5ab0
This was originall reverted due to some test failures in ModuleCache and TestCompDirSymlink. These issues have all been resolved and the code now passes all tests. Differential Revision: https://reviews.llvm.org/D30698 llvm-svn: 297300
3186 lines
107 KiB
C++
3186 lines
107 KiB
C++
//===-- ScriptInterpreterPython.cpp -----------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifdef LLDB_DISABLE_PYTHON
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// Python is disabled in this build
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#else
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// LLDB Python header must be included first
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#include "lldb-python.h"
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#include "PythonDataObjects.h"
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#include "PythonExceptionState.h"
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#include "ScriptInterpreterPython.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <mutex>
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#include <string>
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#include "lldb/API/SBValue.h"
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#include "lldb/Breakpoint/BreakpointLocation.h"
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#include "lldb/Breakpoint/StoppointCallbackContext.h"
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#include "lldb/Breakpoint/WatchpointOptions.h"
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#include "lldb/Core/Communication.h"
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#include "lldb/Core/Debugger.h"
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#include "lldb/Core/PluginManager.h"
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#include "lldb/Core/Timer.h"
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#include "lldb/Core/ValueObject.h"
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#include "lldb/DataFormatters/TypeSummary.h"
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#include "lldb/Host/ConnectionFileDescriptor.h"
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#include "lldb/Host/FileSystem.h"
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#include "lldb/Host/HostInfo.h"
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#include "lldb/Host/Pipe.h"
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#include "lldb/Interpreter/CommandInterpreter.h"
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#include "lldb/Interpreter/CommandReturnObject.h"
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#include "lldb/Target/Thread.h"
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#include "lldb/Target/ThreadPlan.h"
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#if defined(_WIN32)
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#include "lldb/Host/windows/ConnectionGenericFileWindows.h"
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#endif
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/FileSystem.h"
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using namespace lldb;
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using namespace lldb_private;
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static ScriptInterpreterPython::SWIGInitCallback g_swig_init_callback = nullptr;
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static ScriptInterpreterPython::SWIGBreakpointCallbackFunction
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g_swig_breakpoint_callback = nullptr;
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static ScriptInterpreterPython::SWIGWatchpointCallbackFunction
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g_swig_watchpoint_callback = nullptr;
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static ScriptInterpreterPython::SWIGPythonTypeScriptCallbackFunction
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g_swig_typescript_callback = nullptr;
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static ScriptInterpreterPython::SWIGPythonCreateSyntheticProvider
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g_swig_synthetic_script = nullptr;
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static ScriptInterpreterPython::SWIGPythonCreateCommandObject
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g_swig_create_cmd = nullptr;
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static ScriptInterpreterPython::SWIGPythonCalculateNumChildren
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g_swig_calc_children = nullptr;
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static ScriptInterpreterPython::SWIGPythonGetChildAtIndex
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g_swig_get_child_index = nullptr;
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static ScriptInterpreterPython::SWIGPythonGetIndexOfChildWithName
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g_swig_get_index_child = nullptr;
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static ScriptInterpreterPython::SWIGPythonCastPyObjectToSBValue
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g_swig_cast_to_sbvalue = nullptr;
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static ScriptInterpreterPython::SWIGPythonGetValueObjectSPFromSBValue
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g_swig_get_valobj_sp_from_sbvalue = nullptr;
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static ScriptInterpreterPython::SWIGPythonUpdateSynthProviderInstance
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g_swig_update_provider = nullptr;
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static ScriptInterpreterPython::SWIGPythonMightHaveChildrenSynthProviderInstance
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g_swig_mighthavechildren_provider = nullptr;
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static ScriptInterpreterPython::SWIGPythonGetValueSynthProviderInstance
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g_swig_getvalue_provider = nullptr;
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static ScriptInterpreterPython::SWIGPythonCallCommand g_swig_call_command =
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nullptr;
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static ScriptInterpreterPython::SWIGPythonCallCommandObject
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g_swig_call_command_object = nullptr;
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static ScriptInterpreterPython::SWIGPythonCallModuleInit
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g_swig_call_module_init = nullptr;
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static ScriptInterpreterPython::SWIGPythonCreateOSPlugin
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g_swig_create_os_plugin = nullptr;
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static ScriptInterpreterPython::SWIGPythonScriptKeyword_Process
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g_swig_run_script_keyword_process = nullptr;
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static ScriptInterpreterPython::SWIGPythonScriptKeyword_Thread
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g_swig_run_script_keyword_thread = nullptr;
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static ScriptInterpreterPython::SWIGPythonScriptKeyword_Target
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g_swig_run_script_keyword_target = nullptr;
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static ScriptInterpreterPython::SWIGPythonScriptKeyword_Frame
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g_swig_run_script_keyword_frame = nullptr;
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static ScriptInterpreterPython::SWIGPythonScriptKeyword_Value
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g_swig_run_script_keyword_value = nullptr;
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static ScriptInterpreterPython::SWIGPython_GetDynamicSetting g_swig_plugin_get =
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nullptr;
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static ScriptInterpreterPython::SWIGPythonCreateScriptedThreadPlan
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g_swig_thread_plan_script = nullptr;
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static ScriptInterpreterPython::SWIGPythonCallThreadPlan
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g_swig_call_thread_plan = nullptr;
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static bool g_initialized = false;
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namespace {
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// Initializing Python is not a straightforward process. We cannot control what
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// external code may have done before getting to this point in LLDB, including
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// potentially having already initialized Python, so we need to do a lot of work
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// to ensure that the existing state of the system is maintained across our
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// initialization. We do this by using an RAII pattern where we save off
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// initial
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// state at the beginning, and restore it at the end
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struct InitializePythonRAII {
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public:
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InitializePythonRAII()
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: m_gil_state(PyGILState_UNLOCKED), m_was_already_initialized(false) {
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// Python will muck with STDIN terminal state, so save off any current TTY
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// settings so we can restore them.
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m_stdin_tty_state.Save(STDIN_FILENO, false);
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InitializePythonHome();
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// Python < 3.2 and Python >= 3.2 reversed the ordering requirements for
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// calling `Py_Initialize` and `PyEval_InitThreads`. < 3.2 requires that you
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// call `PyEval_InitThreads` first, and >= 3.2 requires that you call it last.
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#if (PY_MAJOR_VERSION == 3 && PY_MINOR_VERSION >= 2) || (PY_MAJOR_VERSION > 3)
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Py_InitializeEx(0);
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InitializeThreadsPrivate();
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#else
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InitializeThreadsPrivate();
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Py_InitializeEx(0);
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#endif
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}
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~InitializePythonRAII() {
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if (m_was_already_initialized) {
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Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_SCRIPT));
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LLDB_LOGV(log, "Releasing PyGILState. Returning to state = {0}locked",
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m_was_already_initialized == PyGILState_UNLOCKED ? "un" : "");
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PyGILState_Release(m_gil_state);
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} else {
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// We initialized the threads in this function, just unlock the GIL.
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PyEval_SaveThread();
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}
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m_stdin_tty_state.Restore();
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}
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private:
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void InitializePythonHome() {
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#if defined(LLDB_PYTHON_HOME)
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#if PY_MAJOR_VERSION >= 3
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size_t size = 0;
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static wchar_t *g_python_home = Py_DecodeLocale(LLDB_PYTHON_HOME, &size);
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#else
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static char g_python_home[] = LLDB_PYTHON_HOME;
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#endif
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Py_SetPythonHome(g_python_home);
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#endif
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}
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void InitializeThreadsPrivate() {
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if (PyEval_ThreadsInitialized()) {
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Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_SCRIPT));
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m_was_already_initialized = true;
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m_gil_state = PyGILState_Ensure();
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LLDB_LOGV(log, "Ensured PyGILState. Previous state = {0}locked\n",
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m_gil_state == PyGILState_UNLOCKED ? "un" : "");
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return;
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}
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// InitThreads acquires the GIL if it hasn't been called before.
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PyEval_InitThreads();
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}
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TerminalState m_stdin_tty_state;
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PyGILState_STATE m_gil_state;
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bool m_was_already_initialized;
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};
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}
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ScriptInterpreterPython::Locker::Locker(ScriptInterpreterPython *py_interpreter,
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uint16_t on_entry, uint16_t on_leave,
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FILE *in, FILE *out, FILE *err)
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: ScriptInterpreterLocker(),
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m_teardown_session((on_leave & TearDownSession) == TearDownSession),
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m_python_interpreter(py_interpreter) {
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DoAcquireLock();
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if ((on_entry & InitSession) == InitSession) {
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if (DoInitSession(on_entry, in, out, err) == false) {
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// Don't teardown the session if we didn't init it.
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m_teardown_session = false;
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}
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}
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}
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bool ScriptInterpreterPython::Locker::DoAcquireLock() {
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Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_SCRIPT));
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m_GILState = PyGILState_Ensure();
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LLDB_LOGV(log, "Ensured PyGILState. Previous state = {0}locked",
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m_GILState == PyGILState_UNLOCKED ? "un" : "");
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// we need to save the thread state when we first start the command
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// because we might decide to interrupt it while some action is taking
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// place outside of Python (e.g. printing to screen, waiting for the network,
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// ...)
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// in that case, _PyThreadState_Current will be NULL - and we would be unable
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// to set the asynchronous exception - not a desirable situation
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m_python_interpreter->SetThreadState(PyThreadState_Get());
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m_python_interpreter->IncrementLockCount();
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return true;
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}
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bool ScriptInterpreterPython::Locker::DoInitSession(uint16_t on_entry_flags,
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FILE *in, FILE *out,
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FILE *err) {
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if (!m_python_interpreter)
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return false;
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return m_python_interpreter->EnterSession(on_entry_flags, in, out, err);
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}
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bool ScriptInterpreterPython::Locker::DoFreeLock() {
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Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_SCRIPT));
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LLDB_LOGV(log, "Releasing PyGILState. Returning to state = {0}locked",
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m_GILState == PyGILState_UNLOCKED ? "un" : "");
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PyGILState_Release(m_GILState);
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m_python_interpreter->DecrementLockCount();
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return true;
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}
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bool ScriptInterpreterPython::Locker::DoTearDownSession() {
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if (!m_python_interpreter)
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return false;
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m_python_interpreter->LeaveSession();
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return true;
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}
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ScriptInterpreterPython::Locker::~Locker() {
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if (m_teardown_session)
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DoTearDownSession();
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DoFreeLock();
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}
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ScriptInterpreterPython::ScriptInterpreterPython(
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CommandInterpreter &interpreter)
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: ScriptInterpreter(interpreter, eScriptLanguagePython),
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IOHandlerDelegateMultiline("DONE"), m_saved_stdin(), m_saved_stdout(),
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m_saved_stderr(), m_main_module(), m_lldb_module(),
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m_session_dict(PyInitialValue::Invalid),
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m_sys_module_dict(PyInitialValue::Invalid), m_run_one_line_function(),
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m_run_one_line_str_global(),
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m_dictionary_name(
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interpreter.GetDebugger().GetInstanceName().AsCString()),
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m_terminal_state(), m_active_io_handler(eIOHandlerNone),
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m_session_is_active(false), m_pty_slave_is_open(false),
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m_valid_session(true), m_lock_count(0), m_command_thread_state(nullptr) {
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InitializePrivate();
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m_dictionary_name.append("_dict");
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StreamString run_string;
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run_string.Printf("%s = dict()", m_dictionary_name.c_str());
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Locker locker(this, ScriptInterpreterPython::Locker::AcquireLock,
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ScriptInterpreterPython::Locker::FreeAcquiredLock);
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PyRun_SimpleString(run_string.GetData());
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run_string.Clear();
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run_string.Printf(
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"run_one_line (%s, 'import copy, keyword, os, re, sys, uuid, lldb')",
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m_dictionary_name.c_str());
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PyRun_SimpleString(run_string.GetData());
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// Reloading modules requires a different syntax in Python 2 and Python 3.
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// This provides
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// a consistent syntax no matter what version of Python.
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run_string.Clear();
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run_string.Printf("run_one_line (%s, 'from six.moves import reload_module')",
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m_dictionary_name.c_str());
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PyRun_SimpleString(run_string.GetData());
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// WARNING: temporary code that loads Cocoa formatters - this should be done
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// on a per-platform basis rather than loading the whole set
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// and letting the individual formatter classes exploit APIs to check whether
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// they can/cannot do their task
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run_string.Clear();
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run_string.Printf(
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"run_one_line (%s, 'import lldb.formatters, lldb.formatters.cpp, pydoc')",
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m_dictionary_name.c_str());
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PyRun_SimpleString(run_string.GetData());
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run_string.Clear();
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run_string.Printf("run_one_line (%s, 'import lldb.embedded_interpreter; from "
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"lldb.embedded_interpreter import run_python_interpreter; "
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"from lldb.embedded_interpreter import run_one_line')",
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m_dictionary_name.c_str());
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PyRun_SimpleString(run_string.GetData());
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run_string.Clear();
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run_string.Printf("run_one_line (%s, 'lldb.debugger_unique_id = %" PRIu64
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"; pydoc.pager = pydoc.plainpager')",
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m_dictionary_name.c_str(),
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interpreter.GetDebugger().GetID());
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PyRun_SimpleString(run_string.GetData());
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}
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ScriptInterpreterPython::~ScriptInterpreterPython() {
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// the session dictionary may hold objects with complex state
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// which means that they may need to be torn down with some level of smarts
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// and that, in turn, requires a valid thread state
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// force Python to procure itself such a thread state, nuke the session
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// dictionary
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// and then release it for others to use and proceed with the rest of the
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// shutdown
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auto gil_state = PyGILState_Ensure();
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m_session_dict.Reset();
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PyGILState_Release(gil_state);
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}
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void ScriptInterpreterPython::Initialize() {
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static llvm::once_flag g_once_flag;
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llvm::call_once(g_once_flag, []() {
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PluginManager::RegisterPlugin(GetPluginNameStatic(),
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GetPluginDescriptionStatic(),
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lldb::eScriptLanguagePython, CreateInstance);
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});
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}
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void ScriptInterpreterPython::Terminate() {}
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lldb::ScriptInterpreterSP
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ScriptInterpreterPython::CreateInstance(CommandInterpreter &interpreter) {
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return std::make_shared<ScriptInterpreterPython>(interpreter);
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}
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lldb_private::ConstString ScriptInterpreterPython::GetPluginNameStatic() {
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static ConstString g_name("script-python");
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return g_name;
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}
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const char *ScriptInterpreterPython::GetPluginDescriptionStatic() {
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return "Embedded Python interpreter";
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}
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lldb_private::ConstString ScriptInterpreterPython::GetPluginName() {
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return GetPluginNameStatic();
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}
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uint32_t ScriptInterpreterPython::GetPluginVersion() { return 1; }
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void ScriptInterpreterPython::IOHandlerActivated(IOHandler &io_handler) {
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const char *instructions = nullptr;
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switch (m_active_io_handler) {
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case eIOHandlerNone:
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break;
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case eIOHandlerBreakpoint:
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instructions = R"(Enter your Python command(s). Type 'DONE' to end.
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def function (frame, bp_loc, internal_dict):
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"""frame: the lldb.SBFrame for the location at which you stopped
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bp_loc: an lldb.SBBreakpointLocation for the breakpoint location information
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internal_dict: an LLDB support object not to be used"""
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)";
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break;
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case eIOHandlerWatchpoint:
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instructions = "Enter your Python command(s). Type 'DONE' to end.\n";
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break;
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}
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if (instructions) {
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StreamFileSP output_sp(io_handler.GetOutputStreamFile());
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if (output_sp) {
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output_sp->PutCString(instructions);
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output_sp->Flush();
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}
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}
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}
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void ScriptInterpreterPython::IOHandlerInputComplete(IOHandler &io_handler,
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std::string &data) {
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io_handler.SetIsDone(true);
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bool batch_mode = m_interpreter.GetBatchCommandMode();
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switch (m_active_io_handler) {
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case eIOHandlerNone:
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break;
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case eIOHandlerBreakpoint: {
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std::vector<BreakpointOptions *> *bp_options_vec =
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(std::vector<BreakpointOptions *> *)io_handler.GetUserData();
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for (auto bp_options : *bp_options_vec) {
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if (!bp_options)
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continue;
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auto data_ap = llvm::make_unique<CommandDataPython>();
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if (!data_ap)
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break;
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data_ap->user_source.SplitIntoLines(data);
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if (GenerateBreakpointCommandCallbackData(data_ap->user_source,
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data_ap->script_source)
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.Success()) {
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auto baton_sp = std::make_shared<BreakpointOptions::CommandBaton>(
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std::move(data_ap));
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bp_options->SetCallback(
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ScriptInterpreterPython::BreakpointCallbackFunction, baton_sp);
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} else if (!batch_mode) {
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StreamFileSP error_sp = io_handler.GetErrorStreamFile();
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if (error_sp) {
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error_sp->Printf("Warning: No command attached to breakpoint.\n");
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error_sp->Flush();
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}
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}
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}
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m_active_io_handler = eIOHandlerNone;
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} break;
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case eIOHandlerWatchpoint: {
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WatchpointOptions *wp_options =
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(WatchpointOptions *)io_handler.GetUserData();
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auto data_ap = llvm::make_unique<WatchpointOptions::CommandData>();
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data_ap->user_source.SplitIntoLines(data);
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if (GenerateWatchpointCommandCallbackData(data_ap->user_source,
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data_ap->script_source)) {
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auto baton_sp =
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std::make_shared<WatchpointOptions::CommandBaton>(std::move(data_ap));
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wp_options->SetCallback(
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ScriptInterpreterPython::WatchpointCallbackFunction, baton_sp);
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} else if (!batch_mode) {
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StreamFileSP error_sp = io_handler.GetErrorStreamFile();
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if (error_sp) {
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error_sp->Printf("Warning: No command attached to breakpoint.\n");
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error_sp->Flush();
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}
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}
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m_active_io_handler = eIOHandlerNone;
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} break;
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}
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}
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void ScriptInterpreterPython::ResetOutputFileHandle(FILE *fh) {}
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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->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;
|
|
|
|
PythonObject &main_module = GetMainModule();
|
|
if (!main_module.IsValid())
|
|
return m_session_dict;
|
|
|
|
PythonDictionary main_dict(PyRefType::Borrowed,
|
|
PyModule_GetDict(main_module.get()));
|
|
if (!main_dict.IsValid())
|
|
return m_session_dict;
|
|
|
|
PythonObject item = main_dict.GetItemForKey(PythonString(m_dictionary_name));
|
|
m_session_dict.Reset(PyRefType::Borrowed, item.get());
|
|
return m_session_dict;
|
|
}
|
|
|
|
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 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;
|
|
|
|
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));
|
|
#else
|
|
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);
|
|
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;
|
|
}
|
|
|
|
if (result)
|
|
result->AppendError("empty command passed to python\n");
|
|
return false;
|
|
}
|
|
|
|
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();
|
|
}
|
|
}
|
|
SetIsDone(true);
|
|
}
|
|
|
|
void Cancel() override {}
|
|
|
|
bool Interrupt() override { return m_python->Interrupt(); }
|
|
|
|
void GotEOF() override {}
|
|
|
|
protected:
|
|
ScriptInterpreterPython *m_python;
|
|
};
|
|
|
|
void ScriptInterpreterPython::ExecuteInterpreterLoop() {
|
|
Timer scoped_timer(LLVM_PRETTY_FUNCTION, LLVM_PRETTY_FUNCTION);
|
|
|
|
Debugger &debugger = GetCommandInterpreter().GetDebugger();
|
|
|
|
// 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 (!debugger.GetInputFile()->GetFile().IsValid())
|
|
return;
|
|
|
|
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
|
|
{
|
|
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;
|
|
}
|
|
}
|
|
|
|
if (success)
|
|
ret_success = true;
|
|
else
|
|
ret_success = false;
|
|
}
|
|
}
|
|
|
|
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();
|
|
}
|
|
}
|
|
|
|
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;
|
|
|
|
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();
|
|
#else
|
|
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()));
|
|
}
|
|
}
|
|
|
|
PythonExceptionState exception_state(!options.GetMaskoutErrors());
|
|
if (exception_state.IsError())
|
|
error.SetErrorString(exception_state.Format().c_str());
|
|
|
|
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::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());
|
|
}
|
|
|
|
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) {
|
|
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) {
|
|
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;
|
|
}
|
|
|
|
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;
|
|
|
|
// 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;
|
|
|
|
// Store the name of the auto-generated function to be called.
|
|
output.assign(auto_generated_function_name);
|
|
return true;
|
|
}
|
|
|
|
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));
|
|
|
|
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;
|
|
}
|
|
|
|
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.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::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);
|
|
ret_val = g_swig_create_os_plugin(class_name, m_dictionary_name.c_str(),
|
|
process_sp);
|
|
}
|
|
|
|
return StructuredData::GenericSP(new StructuredPythonObject(ret_val));
|
|
}
|
|
|
|
StructuredData::DictionarySP ScriptInterpreterPython::OSPlugin_RegisterInfo(
|
|
StructuredData::ObjectSP os_plugin_object_sp) {
|
|
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();
|
|
|
|
StructuredData::Generic *generic = os_plugin_object_sp->GetAsGeneric();
|
|
if (!generic)
|
|
return nullptr;
|
|
|
|
PythonObject implementor(PyRefType::Borrowed,
|
|
(PyObject *)generic->GetValue());
|
|
|
|
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_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);
|
|
|
|
static char callee_name[] = "get_thread_info";
|
|
|
|
if (!os_plugin_object_sp)
|
|
return StructuredData::ArraySP();
|
|
|
|
StructuredData::Generic *generic = os_plugin_object_sp->GetAsGeneric();
|
|
if (!generic)
|
|
return nullptr;
|
|
|
|
PythonObject implementor(PyRefType::Borrowed,
|
|
(PyObject *)generic->GetValue());
|
|
|
|
if (!implementor.IsAllocated())
|
|
return StructuredData::ArraySP();
|
|
|
|
PythonObject pmeth(PyRefType::Owned,
|
|
PyObject_GetAttrString(implementor.get(), callee_name));
|
|
|
|
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 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
|
|
// convert a variable's type into a python value format. Python value formats
|
|
// are defined in terms of builtin C types and could change from system to
|
|
// as the underlying typedef for uint* types, size_t, off_t and other values
|
|
// change.
|
|
|
|
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(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));
|
|
|
|
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::Generic *generic = os_plugin_object_sp->GetAsGeneric();
|
|
if (!generic)
|
|
return nullptr;
|
|
|
|
PythonObject implementor(PyRefType::Borrowed,
|
|
(PyObject *)generic->GetValue());
|
|
|
|
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_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();
|
|
|
|
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();
|
|
|
|
void *ret_val;
|
|
|
|
{
|
|
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);
|
|
}
|
|
|
|
return StructuredData::ObjectSP(new StructuredPythonObject(ret_val));
|
|
}
|
|
|
|
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();
|
|
}
|
|
|
|
StructuredData::ObjectSP module_sp;
|
|
|
|
if (LoadScriptingModule(file_spec.GetPath().c_str(), true, true, error,
|
|
&module_sp))
|
|
return module_sp;
|
|
|
|
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();
|
|
|
|
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();
|
|
}
|
|
|
|
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();
|
|
|
|
ExecutionContext exe_ctx(valobj->GetExecutionContextRef());
|
|
Target *target = exe_ctx.GetTargetPtr();
|
|
|
|
if (!target)
|
|
return StructuredData::ObjectSP();
|
|
|
|
Debugger &debugger = target->GetDebugger();
|
|
ScriptInterpreter *script_interpreter =
|
|
debugger.GetCommandInterpreter().GetScriptInterpreter();
|
|
ScriptInterpreterPython *python_interpreter =
|
|
(ScriptInterpreterPython *)script_interpreter;
|
|
|
|
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));
|
|
}
|
|
|
|
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));
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
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());
|
|
|
|
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;
|
|
|
|
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;
|
|
}
|
|
|
|
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(LLVM_PRETTY_FUNCTION, LLVM_PRETTY_FUNCTION);
|
|
|
|
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) {
|
|
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;
|
|
{
|
|
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;
|
|
}
|
|
|
|
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;
|
|
{
|
|
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;
|
|
}
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
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;
|
|
|
|
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);
|
|
}
|
|
|
|
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;
|
|
|
|
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;
|
|
}
|
|
|
|
lldb::ValueObjectSP ScriptInterpreterPython::GetSyntheticValue(
|
|
const StructuredData::ObjectSP &implementor_sp) {
|
|
lldb::ValueObjectSP ret_val(nullptr);
|
|
|
|
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_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);
|
|
}
|
|
}
|
|
|
|
return ret_val;
|
|
}
|
|
|
|
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;
|
|
|
|
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());
|
|
|
|
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");
|
|
}
|
|
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));
|
|
namespace fs = llvm::sys::fs;
|
|
fs::file_status st;
|
|
std::error_code ec = status(target_file.GetPath(), st);
|
|
|
|
if (ec || st.type() == fs::file_type::status_error ||
|
|
st.type() == fs::file_type::type_unknown ||
|
|
st.type() == fs::file_type::file_not_found) {
|
|
// 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 (is_directory(st) || is_regular_file(st)) {
|
|
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));
|
|
}
|
|
|
|
return true;
|
|
}
|
|
}
|
|
|
|
bool ScriptInterpreterPython::IsReservedWord(const char *word) {
|
|
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, 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;
|
|
|
|
{
|
|
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();
|
|
|
|
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 = 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;
|
|
|
|
PythonObject implementor(PyRefType::Borrowed,
|
|
(PyObject *)cmd_obj_sp->GetValue());
|
|
|
|
if (!implementor.IsAllocated())
|
|
return false;
|
|
|
|
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_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 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;
|
|
|
|
PythonObject implementor(PyRefType::Borrowed,
|
|
(PyObject *)cmd_obj_sp->GetValue());
|
|
|
|
if (!implementor.IsAllocated())
|
|
return result;
|
|
|
|
PythonObject pmeth(PyRefType::Owned,
|
|
PyObject_GetAttrString(implementor.get(), callee_name));
|
|
|
|
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;
|
|
|
|
PythonObject implementor(PyRefType::Borrowed,
|
|
(PyObject *)cmd_obj_sp->GetValue());
|
|
|
|
if (!implementor.IsAllocated())
|
|
return false;
|
|
|
|
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_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 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;
|
|
|
|
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
|
|
// // 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
|
|
// // process exits).
|
|
// //
|
|
//// Py_Finalize ();
|
|
//}
|
|
|
|
#endif // #ifdef LLDB_DISABLE_PYTHON
|