lldb/source/Core/ValueObjectUpdater.cpp

   1 //===-- ValueObjectUpdater.cpp --------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "lldb/Core/ValueObjectUpdater.h"
  10
  11 using namespace lldb_private;
  12
  13 ValueObjectUpdater::ValueObjectUpdater(lldb::ValueObjectSP in_valobj_sp) {
  14   if (!in_valobj_sp)
  15     return;
  16   // If the user passes in a value object that is dynamic or synthetic, then
  17   // water it down to the static type.
  18   m_root_valobj_sp = in_valobj_sp->GetQualifiedRepresentationIfAvailable(
  19       lldb::eNoDynamicValues, false);
  20 }
  21
  22 lldb::ValueObjectSP ValueObjectUpdater::GetSP() {
  23   lldb::ProcessSP process_sp = GetProcessSP();
  24   if (!process_sp)
  25     return lldb::ValueObjectSP();
  26
  27   const uint32_t current_stop_id = process_sp->GetLastNaturalStopID();
  28   if (current_stop_id == m_stop_id)
  29     return m_user_valobj_sp;
  30
  31   m_stop_id = current_stop_id;
  32
  33   if (!m_root_valobj_sp) {
  34     m_user_valobj_sp.reset();
  35     return m_root_valobj_sp;
  36   }
  37
  38   m_user_valobj_sp = m_root_valobj_sp;
  39
  40   lldb::ValueObjectSP dynamic_sp =
  41       m_user_valobj_sp->GetDynamicValue(lldb::eDynamicDontRunTarget);
  42   if (dynamic_sp)
  43     m_user_valobj_sp = dynamic_sp;
  44
  45   lldb::ValueObjectSP synthetic_sp = m_user_valobj_sp->GetSyntheticValue();
  46   if (synthetic_sp)
  47     m_user_valobj_sp = synthetic_sp;
  48
  49   return m_user_valobj_sp;
  50 }
  51
  52 lldb::ProcessSP ValueObjectUpdater::GetProcessSP() const {
  53   if (m_root_valobj_sp)
  54     return m_root_valobj_sp->GetProcessSP();
  55   return lldb::ProcessSP();
  56 }