//===-- ValueObjectUpdater.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 "lldb/Core/ValueObjectUpdater.h"

using namespace lldb_private;

ValueObjectUpdater::ValueObjectUpdater(lldb::ValueObjectSP in_valobj_sp) {

  if (!in_valobj_sp)

    return;

  // If the user passes in a value object that is dynamic or synthetic, then

  // water it down to the static type.

  m_root_valobj_sp = in_valobj_sp->GetQualifiedRepresentationIfAvailable(

      lldb::eNoDynamicValues, false);

}

lldb::ValueObjectSP ValueObjectUpdater::GetSP() {

  lldb::ProcessSP process_sp = GetProcessSP();

  if (!process_sp)

    return lldb::ValueObjectSP();

  const uint32_t current_stop_id = process_sp->GetLastNaturalStopID();

  if (current_stop_id == m_stop_id)

    return m_user_valobj_sp;

  m_stop_id = current_stop_id;

  if (!m_root_valobj_sp) {

    m_user_valobj_sp.reset();

    return m_root_valobj_sp;

  }

  m_user_valobj_sp = m_root_valobj_sp;

  lldb::ValueObjectSP dynamic_sp =

      m_user_valobj_sp->GetDynamicValue(lldb::eDynamicDontRunTarget);

  if (dynamic_sp)

    m_user_valobj_sp = dynamic_sp;

  lldb::ValueObjectSP synthetic_sp = m_user_valobj_sp->GetSyntheticValue();

  if (synthetic_sp)

    m_user_valobj_sp = synthetic_sp;

  return m_user_valobj_sp;

}

lldb::ProcessSP ValueObjectUpdater::GetProcessSP() const {

  if (m_root_valobj_sp)

    return m_root_valobj_sp->GetProcessSP();

  return lldb::ProcessSP();

}