//===-- OperatingSystemPython.h ---------------------------------*- C++ -*-===//

//

// 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

//

//===----------------------------------------------------------------------===//

#ifndef liblldb_OperatingSystemPython_h_

#define liblldb_OperatingSystemPython_h_

#include "lldb/Host/Config.h"

#if LLDB_ENABLE_PYTHON

#include "lldb/Target/DynamicRegisterInfo.h"

#include "lldb/Target/OperatingSystem.h"

#include "lldb/Utility/StructuredData.h"

namespace lldb_private {

class ScriptInterpreter;

}

class OperatingSystemPython : public lldb_private::OperatingSystem {

public:

  OperatingSystemPython(lldb_private::Process *process,

                        const lldb_private::FileSpec &python_module_path);

  ~OperatingSystemPython() override;

  // Static Functions

  static lldb_private::OperatingSystem *

  CreateInstance(lldb_private::Process *process, bool force);

  static void Initialize();

  static void Terminate();

  static llvm::StringRef GetPluginNameStatic() { return "python"; }

  static llvm::StringRef GetPluginDescriptionStatic();

  // lldb_private::PluginInterface Methods

  llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); }

  // lldb_private::OperatingSystem Methods

  bool UpdateThreadList(lldb_private::ThreadList &old_thread_list,

                        lldb_private::ThreadList &real_thread_list,

                        lldb_private::ThreadList &new_thread_list) override;

  void ThreadWasSelected(lldb_private::Thread *thread) override;

  lldb::RegisterContextSP

  CreateRegisterContextForThread(lldb_private::Thread *thread,

                                 lldb::addr_t reg_data_addr) override;

  lldb::StopInfoSP

  CreateThreadStopReason(lldb_private::Thread *thread) override;

  // Method for lazy creation of threads on demand

  lldb::ThreadSP CreateThread(lldb::tid_t tid, lldb::addr_t context) override;

protected:

  bool IsValid() const {

    return m_python_object_sp && m_python_object_sp->IsValid();

  }

  lldb::ThreadSP CreateThreadFromThreadInfo(

      lldb_private::StructuredData::Dictionary &thread_dict,

      lldb_private::ThreadList &core_thread_list,

      lldb_private::ThreadList &old_thread_list,

      std::vector<bool> &core_used_map, bool *did_create_ptr);

  lldb_private::DynamicRegisterInfo *GetDynamicRegisterInfo();

  lldb::ValueObjectSP m_thread_list_valobj_sp;

  std::unique_ptr<lldb_private::DynamicRegisterInfo> m_register_info_up;

  lldb_private::ScriptInterpreter *m_interpreter;

  lldb_private::StructuredData::ObjectSP m_python_object_sp;

};

#endif // LLDB_ENABLE_PYTHON

#endif // liblldb_OperatingSystemPython_h_