ScriptInterpreter/Python/PythonTestSuite.cpp

//===-- PythonTestSuite.cpp -----------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "gtest/gtest.h"

#include "Plugins/ScriptInterpreter/Python/SWIGPythonBridge.h"
#include "Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.h"
#include "Plugins/ScriptInterpreter/Python/ScriptInterpreterPythonImpl.h"
#include "Plugins/ScriptInterpreter/Python/lldb-python.h"

#include "lldb/Host/FileSystem.h"
#include "lldb/Host/HostInfo.h"

#include "PythonTestSuite.h"

using namespace lldb_private;
class TestScriptInterpreterPython : public ScriptInterpreterPythonImpl {
public:
  using ScriptInterpreterPythonImpl::Initialize;
};

void PythonTestSuite::SetUp() {
  FileSystem::Initialize();
  HostInfoBase::Initialize();
  // ScriptInterpreterPython::Initialize() depends on HostInfo being
  // initializedso it can compute the python directory etc.
  TestScriptInterpreterPython::Initialize();

  // Although we don't care about concurrency for the purposes of running
  // this test suite, Python requires the GIL to be locked even for
  // deallocating memory, which can happen when you call Py_DECREF or
  // Py_INCREF.  So acquire the GIL for the entire duration of this
  // test suite.
  m_gil_state = PyGILState_Ensure();
}

void PythonTestSuite::TearDown() {
  PyGILState_Release(m_gil_state);

  TestScriptInterpreterPython::Terminate();
  HostInfoBase::Terminate();
  FileSystem::Terminate();
}

// The following functions are the Pythonic implementations of the required
// callbacks. Because they're defined in libLLDB which we cannot link for the
// unit test, we have a 'default' implementation here.

#if PY_MAJOR_VERSION >= 3
extern "C" PyObject *PyInit__lldb(void) { return nullptr; }
#else
extern "C" void init_lldb(void) {}
#endif

llvm::Expected<bool> lldb_private::LLDBSwigPythonBreakpointCallbackFunction(
    const char *python_function_name, const char *session_dictionary_name,
    const lldb::StackFrameSP &sb_frame,
    const lldb::BreakpointLocationSP &sb_bp_loc,
    const StructuredDataImpl &args_impl) {
  return false;
}

bool lldb_private::LLDBSwigPythonWatchpointCallbackFunction(
    const char *python_function_name, const char *session_dictionary_name,
    const lldb::StackFrameSP &sb_frame, const lldb::WatchpointSP &sb_wp) {
  return false;
}

bool lldb_private::LLDBSwigPythonCallTypeScript(
    const char *python_function_name, const void *session_dictionary,
    const lldb::ValueObjectSP &valobj_sp, void **pyfunct_wrapper,
    const lldb::TypeSummaryOptionsSP &options_sp, std::string &retval) {
  return false;
}

python::PythonObject lldb_private::LLDBSwigPythonCreateSyntheticProvider(
    const char *python_class_name, const char *session_dictionary_name,
    const lldb::ValueObjectSP &valobj_sp) {
  return python::PythonObject();
}

python::PythonObject lldb_private::LLDBSwigPythonCreateCommandObject(
    const char *python_class_name, const char *session_dictionary_name,
    lldb::DebuggerSP debugger_sp) {
  return python::PythonObject();
}

python::PythonObject lldb_private::LLDBSwigPythonCreateScriptedThreadPlan(
    const char *python_class_name, const char *session_dictionary_name,
    const StructuredDataImpl &args_data, std::string &error_string,
    const lldb::ThreadPlanSP &thread_plan_sp) {
  return python::PythonObject();
}

bool lldb_private::LLDBSWIGPythonCallThreadPlan(void *implementor,
                                                const char *method_name,
                                                Event *event_sp,
                                                bool &got_error) {
  return false;
}

python::PythonObject
lldb_private::LLDBSwigPythonCreateScriptedBreakpointResolver(
    const char *python_class_name, const char *session_dictionary_name,
    const StructuredDataImpl &args, const lldb::BreakpointSP &bkpt_sp) {
  return python::PythonObject();
}

unsigned int lldb_private::LLDBSwigPythonCallBreakpointResolver(
    void *implementor, const char *method_name,
    lldb_private::SymbolContext *sym_ctx) {
  return 0;
}

size_t lldb_private::LLDBSwigPython_CalculateNumChildren(PyObject *implementor,
                                                         uint32_t max) {
  return 0;
}

PyObject *lldb_private::LLDBSwigPython_GetChildAtIndex(PyObject *implementor,
                                                       uint32_t idx) {
  return nullptr;
}

int lldb_private::LLDBSwigPython_GetIndexOfChildWithName(
    PyObject *implementor, const char *child_name) {
  return 0;
}

void *lldb_private::LLDBSWIGPython_CastPyObjectToSBData(PyObject *data) {
  return nullptr;
}

void *lldb_private::LLDBSWIGPython_CastPyObjectToSBError(PyObject *data) {
  return nullptr;
}

void *lldb_private::LLDBSWIGPython_CastPyObjectToSBValue(PyObject *data) {
  return nullptr;
}

void *
lldb_private::LLDBSWIGPython_CastPyObjectToSBMemoryRegionInfo(PyObject *data) {
  return nullptr;
}

lldb::ValueObjectSP
lldb_private::LLDBSWIGPython_GetValueObjectSPFromSBValue(void *data) {
  return nullptr;
}

bool lldb_private::LLDBSwigPython_UpdateSynthProviderInstance(
    PyObject *implementor) {
  return false;
}

bool lldb_private::LLDBSwigPython_MightHaveChildrenSynthProviderInstance(
    PyObject *implementor) {
  return false;
}

PyObject *lldb_private::LLDBSwigPython_GetValueSynthProviderInstance(
    PyObject *implementor) {
  return nullptr;
}

bool lldb_private::LLDBSwigPythonCallCommand(
    const char *python_function_name, const char *session_dictionary_name,
    lldb::DebuggerSP debugger, const char *args,
    lldb_private::CommandReturnObject &cmd_retobj,
    lldb::ExecutionContextRefSP exe_ctx_ref_sp) {
  return false;
}

bool lldb_private::LLDBSwigPythonCallCommandObject(
    PyObject *implementor, lldb::DebuggerSP debugger, const char *args,
    lldb_private::CommandReturnObject &cmd_retobj,
    lldb::ExecutionContextRefSP exe_ctx_ref_sp) {
  return false;
}

bool lldb_private::LLDBSwigPythonCallModuleInit(
    const char *python_module_name, const char *session_dictionary_name,
    lldb::DebuggerSP debugger) {
  return false;
}

python::PythonObject
lldb_private::LLDBSWIGPythonCreateOSPlugin(const char *python_class_name,
                                           const char *session_dictionary_name,
                                           const lldb::ProcessSP &process_sp) {
  return python::PythonObject();
}

python::PythonObject lldb_private::LLDBSwigPythonCreateScriptedProcess(
    const char *python_class_name, const char *session_dictionary_name,
    const lldb::TargetSP &target_sp, const StructuredDataImpl &args_impl,
    std::string &error_string) {
  return python::PythonObject();
}

python::PythonObject lldb_private::LLDBSwigPythonCreateScriptedThread(
    const char *python_class_name, const char *session_dictionary_name,
    const lldb::ProcessSP &process_sp, const StructuredDataImpl &args_impl,
    std::string &error_string) {
  return python::PythonObject();
}

python::PythonObject lldb_private::LLDBSWIGPython_CreateFrameRecognizer(
    const char *python_class_name, const char *session_dictionary_name) {
  return python::PythonObject();
}

PyObject *lldb_private::LLDBSwigPython_GetRecognizedArguments(
    PyObject *implementor, const lldb::StackFrameSP &frame_sp) {
  return nullptr;
}

bool lldb_private::LLDBSWIGPythonRunScriptKeywordProcess(
    const char *python_function_name, const char *session_dictionary_name,
    const lldb::ProcessSP &process, std::string &output) {
  return false;
}

llvm::Optional<std::string> lldb_private::LLDBSWIGPythonRunScriptKeywordThread(
    const char *python_function_name, const char *session_dictionary_name,
    lldb::ThreadSP thread) {
  return llvm::None;
}

bool lldb_private::LLDBSWIGPythonRunScriptKeywordTarget(
    const char *python_function_name, const char *session_dictionary_name,
    const lldb::TargetSP &target, std::string &output) {
  return false;
}

llvm::Optional<std::string> lldb_private::LLDBSWIGPythonRunScriptKeywordFrame(
    const char *python_function_name, const char *session_dictionary_name,
    lldb::StackFrameSP frame) {
  return llvm::None;
}

bool lldb_private::LLDBSWIGPythonRunScriptKeywordValue(
    const char *python_function_name, const char *session_dictionary_name,
    const lldb::ValueObjectSP &value, std::string &output) {
  return false;
}

void *lldb_private::LLDBSWIGPython_GetDynamicSetting(
    void *module, const char *setting, const lldb::TargetSP &target_sp) {
  return nullptr;
}

python::PythonObject lldb_private::LLDBSwigPythonCreateScriptedStopHook(
    lldb::TargetSP target_sp, const char *python_class_name,
    const char *session_dictionary_name, const StructuredDataImpl &args_impl,
    Status &error) {
  return python::PythonObject();
}

bool lldb_private::LLDBSwigPythonStopHookCallHandleStop(
    void *implementor, lldb::ExecutionContextRefSP exc_ctx_sp,
    lldb::StreamSP stream) {
  return false;
}