82de8df26f
StructuredDataImpl ownership semantics is unclear at best. Various structures were holding a non-owning pointer to it, with a comment that the object is owned somewhere else. From what I was able to gather that "somewhere else" was the SBStructuredData object, but I am not sure that all created object eventually made its way there. (It wouldn't matter even if they did, as we are leaking most of our SBStructuredData objects.) Since StructuredDataImpl is just a collection of two (shared) pointers, there's really no point in elaborate lifetime management, so this patch replaces all StructuredDataImpl pointers with actual objects or unique_ptrs to it. This makes it much easier to resolve SBStructuredData leaks in a follow-up patch. Differential Revision: https://reviews.llvm.org/D114791
196 lines
9.3 KiB
C++
196 lines
9.3 KiB
C++
//===-- ScriptInterpreterPython.h -------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLDB_PLUGINS_SCRIPTINTERPRETER_PYTHON_SWIGPYTHONBRIDGE_H
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#define LLDB_PLUGINS_SCRIPTINTERPRETER_PYTHON_SWIGPYTHONBRIDGE_H
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#include <string>
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#include "lldb/Host/Config.h"
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#if LLDB_ENABLE_PYTHON
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// LLDB Python header must be included first
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#include "lldb-python.h"
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#include "lldb/lldb-forward.h"
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#include "lldb/lldb-types.h"
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#include "llvm/Support/Error.h"
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namespace lldb_private {
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// GetPythonValueFormatString provides a system independent type safe way to
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// convert a variable's type into a python value format. Python value formats
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// are defined in terms of builtin C types and could change from system to as
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// the underlying typedef for uint* types, size_t, off_t and other values
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// change.
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template <typename T> const char *GetPythonValueFormatString(T t);
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template <> const char *GetPythonValueFormatString(char *);
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template <> const char *GetPythonValueFormatString(char);
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template <> const char *GetPythonValueFormatString(unsigned char);
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template <> const char *GetPythonValueFormatString(short);
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template <> const char *GetPythonValueFormatString(unsigned short);
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template <> const char *GetPythonValueFormatString(int);
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template <> const char *GetPythonValueFormatString(unsigned int);
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template <> const char *GetPythonValueFormatString(long);
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template <> const char *GetPythonValueFormatString(unsigned long);
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template <> const char *GetPythonValueFormatString(long long);
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template <> const char *GetPythonValueFormatString(unsigned long long);
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template <> const char *GetPythonValueFormatString(float t);
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template <> const char *GetPythonValueFormatString(double t);
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void *LLDBSWIGPython_CastPyObjectToSBData(PyObject *data);
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void *LLDBSWIGPython_CastPyObjectToSBError(PyObject *data);
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void *LLDBSWIGPython_CastPyObjectToSBValue(PyObject *data);
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void *LLDBSWIGPython_CastPyObjectToSBMemoryRegionInfo(PyObject *data);
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// These prototypes are the Pythonic implementations of the required callbacks.
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// Although these are scripting-language specific, their definition depends on
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// the public API.
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void *LLDBSwigPythonCreateScriptedProcess(const char *python_class_name,
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const char *session_dictionary_name,
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const lldb::TargetSP &target_sp,
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const StructuredDataImpl &args_impl,
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std::string &error_string);
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void *LLDBSwigPythonCreateScriptedThread(const char *python_class_name,
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const char *session_dictionary_name,
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const lldb::ProcessSP &process_sp,
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const StructuredDataImpl &args_impl,
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std::string &error_string);
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llvm::Expected<bool> LLDBSwigPythonBreakpointCallbackFunction(
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const char *python_function_name, const char *session_dictionary_name,
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const lldb::StackFrameSP &sb_frame,
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const lldb::BreakpointLocationSP &sb_bp_loc,
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const lldb_private::StructuredDataImpl &args_impl);
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bool LLDBSwigPythonWatchpointCallbackFunction(
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const char *python_function_name, const char *session_dictionary_name,
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const lldb::StackFrameSP &sb_frame, const lldb::WatchpointSP &sb_wp);
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bool LLDBSwigPythonCallTypeScript(const char *python_function_name,
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const void *session_dictionary,
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const lldb::ValueObjectSP &valobj_sp,
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void **pyfunct_wrapper,
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const lldb::TypeSummaryOptionsSP &options_sp,
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std::string &retval);
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void *
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LLDBSwigPythonCreateSyntheticProvider(const char *python_class_name,
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const char *session_dictionary_name,
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const lldb::ValueObjectSP &valobj_sp);
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void *LLDBSwigPythonCreateCommandObject(const char *python_class_name,
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const char *session_dictionary_name,
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const lldb::DebuggerSP debugger_sp);
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void *LLDBSwigPythonCreateScriptedThreadPlan(
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const char *python_class_name, const char *session_dictionary_name,
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const StructuredDataImpl &args_data, std::string &error_string,
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const lldb::ThreadPlanSP &thread_plan_sp);
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bool LLDBSWIGPythonCallThreadPlan(void *implementor, const char *method_name,
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lldb_private::Event *event_sp,
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bool &got_error);
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void *LLDBSwigPythonCreateScriptedBreakpointResolver(
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const char *python_class_name, const char *session_dictionary_name,
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const StructuredDataImpl &args, const lldb::BreakpointSP &bkpt_sp);
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unsigned int
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LLDBSwigPythonCallBreakpointResolver(void *implementor, const char *method_name,
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lldb_private::SymbolContext *sym_ctx);
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void *LLDBSwigPythonCreateScriptedStopHook(lldb::TargetSP target_sp,
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const char *python_class_name,
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const char *session_dictionary_name,
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const StructuredDataImpl &args,
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lldb_private::Status &error);
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bool LLDBSwigPythonStopHookCallHandleStop(void *implementor,
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lldb::ExecutionContextRefSP exc_ctx,
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lldb::StreamSP stream);
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size_t LLDBSwigPython_CalculateNumChildren(PyObject *implementor, uint32_t max);
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PyObject *LLDBSwigPython_GetChildAtIndex(PyObject *implementor, uint32_t idx);
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int LLDBSwigPython_GetIndexOfChildWithName(PyObject *implementor,
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const char *child_name);
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lldb::ValueObjectSP LLDBSWIGPython_GetValueObjectSPFromSBValue(void *data);
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bool LLDBSwigPython_UpdateSynthProviderInstance(PyObject *implementor);
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bool LLDBSwigPython_MightHaveChildrenSynthProviderInstance(
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PyObject *implementor);
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PyObject *LLDBSwigPython_GetValueSynthProviderInstance(PyObject *implementor);
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bool LLDBSwigPythonCallCommand(const char *python_function_name,
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const char *session_dictionary_name,
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lldb::DebuggerSP &debugger, const char *args,
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lldb_private::CommandReturnObject &cmd_retobj,
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lldb::ExecutionContextRefSP exe_ctx_ref_sp);
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bool LLDBSwigPythonCallCommandObject(
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PyObject *implementor, lldb::DebuggerSP &debugger, const char *args,
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lldb_private::CommandReturnObject &cmd_retobj,
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lldb::ExecutionContextRefSP exe_ctx_ref_sp);
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bool LLDBSwigPythonCallModuleInit(const char *python_module_name,
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const char *session_dictionary_name,
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lldb::DebuggerSP &debugger);
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void *LLDBSWIGPythonCreateOSPlugin(const char *python_class_name,
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const char *session_dictionary_name,
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const lldb::ProcessSP &process_sp);
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void *LLDBSWIGPython_CreateFrameRecognizer(const char *python_class_name,
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const char *session_dictionary_name);
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PyObject *
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LLDBSwigPython_GetRecognizedArguments(PyObject *implementor,
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const lldb::StackFrameSP &frame_sp);
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bool LLDBSWIGPythonRunScriptKeywordProcess(const char *python_function_name,
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const char *session_dictionary_name,
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const lldb::ProcessSP &process,
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std::string &output);
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bool LLDBSWIGPythonRunScriptKeywordThread(const char *python_function_name,
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const char *session_dictionary_name,
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lldb::ThreadSP &thread,
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std::string &output);
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bool LLDBSWIGPythonRunScriptKeywordTarget(const char *python_function_name,
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const char *session_dictionary_name,
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const lldb::TargetSP &target,
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std::string &output);
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bool LLDBSWIGPythonRunScriptKeywordFrame(const char *python_function_name,
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const char *session_dictionary_name,
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lldb::StackFrameSP &frame,
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std::string &output);
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bool LLDBSWIGPythonRunScriptKeywordValue(const char *python_function_name,
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const char *session_dictionary_name,
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const lldb::ValueObjectSP &value,
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std::string &output);
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void *LLDBSWIGPython_GetDynamicSetting(void *module, const char *setting,
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const lldb::TargetSP &target_sp);
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} // namespace lldb_private
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#endif // LLDB_ENABLE_PYTHON
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#endif // LLDB_PLUGINS_SCRIPTINTERPRETER_PYTHON_SWIGPYTHONBRIDGE_H
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