1 //===-- ValueObjectUpdater.h ------------------------------------*- C++ -*-===//
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 #ifndef LLDB_CORE_VALUEOBJECTUPDATER_H
10 #define LLDB_CORE_VALUEOBJECTUPDATER_H
11 
12 #include "lldb/Core/ValueObject.h"
13 
14 namespace lldb_private {
15 
16 /// A value object class that is seeded with the static variable value
17 /// and it vends the user facing value object. If the type is dynamic it can
18 /// vend the dynamic type. If this user type also has a synthetic type
19 /// associated with it, it will vend the synthetic type. The class watches the
20 /// process' stop ID and will update the user type when needed.
21 class ValueObjectUpdater {
22   /// The root value object is the static typed variable object.
23   lldb::ValueObjectSP m_root_valobj_sp;
24   /// The user value object is the value object the user wants to see.
25   lldb::ValueObjectSP m_user_valobj_sp;
26   /// The stop ID that m_user_valobj_sp is valid for.
27   uint32_t m_stop_id = UINT32_MAX;
28 
29 public:
30   ValueObjectUpdater(lldb::ValueObjectSP in_valobj_sp);
31 
32   /// Gets the correct value object from the root object for a given process
33   /// stop ID. If dynamic values are enabled, or if synthetic children are
34   /// enabled, the value object that the user wants to see might change while
35   /// debugging.
36   lldb::ValueObjectSP GetSP();
37 
38   lldb::ProcessSP GetProcessSP() const;
39 };
40 
41 } // namespace lldb_private
42 
43 #endif // LLDB_CORE_VALUEOBJECTUPDATER_H
44