1//===-- ValueObjectChild.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_VALUEOBJECTCHILD_H
10#define LLDB_CORE_VALUEOBJECTCHILD_H
11
12#include "lldb/Core/ValueObject.h"
13
14#include "lldb/Symbol/CompilerType.h"
15#include "lldb/Utility/ConstString.h"
16#include "lldb/lldb-defines.h"
17#include "lldb/lldb-enumerations.h"
18#include "lldb/lldb-private-enumerations.h"
19#include "lldb/lldb-types.h"
20
21#include <cstddef>
22#include <cstdint>
23#include <optional>
24
25namespace lldb_private {
26
27/// A child of another ValueObject.
28class ValueObjectChild : public ValueObject {
29public:
30 ~ValueObjectChild() override;
31
32 std::optional<uint64_t> GetByteSize() override { return m_byte_size; }
33
34 lldb::offset_t GetByteOffset() override { return m_byte_offset; }
35
36 uint32_t GetBitfieldBitSize() override { return m_bitfield_bit_size; }
37
38 uint32_t GetBitfieldBitOffset() override { return m_bitfield_bit_offset; }
39
40 lldb::ValueType GetValueType() const override;
41
42 size_t CalculateNumChildren(uint32_t max) override;
43
44 ConstString GetTypeName() override;
45
46 ConstString GetQualifiedTypeName() override;
47
48 ConstString GetDisplayTypeName() override;
49
50 bool IsInScope() override;
51
52 bool IsBaseClass() override { return m_is_base_class; }
53
54 bool IsDereferenceOfParent() override { return m_is_deref_of_parent; }
55
56protected:
57 bool UpdateValue() override;
58
59 LazyBool CanUpdateWithInvalidExecutionContext() override;
60
61 CompilerType GetCompilerTypeImpl() override { return m_compiler_type; }
62
63 CompilerType m_compiler_type;
64 ConstString m_type_name;
65 uint64_t m_byte_size;
66 int32_t m_byte_offset;
67 uint8_t m_bitfield_bit_size;
68 uint8_t m_bitfield_bit_offset;
69 bool m_is_base_class;
70 bool m_is_deref_of_parent;
71 std::optional<LazyBool> m_can_update_with_invalid_exe_ctx;
72
73 friend class ValueObject;
74 friend class ValueObjectConstResult;
75 friend class ValueObjectConstResultImpl;
76 friend class ValueObjectVTable;
77
78 ValueObjectChild(ValueObject &parent, const CompilerType &compiler_type,
79 ConstString name, uint64_t byte_size,
80 int32_t byte_offset, uint32_t bitfield_bit_size,
81 uint32_t bitfield_bit_offset, bool is_base_class,
82 bool is_deref_of_parent,
83 AddressType child_ptr_or_ref_addr_type,
84 uint64_t language_flags);
85
86 ValueObjectChild(const ValueObjectChild &) = delete;
87 const ValueObjectChild &operator=(const ValueObjectChild &) = delete;
88};
89
90} // namespace lldb_private
91
92#endif // LLDB_CORE_VALUEOBJECTCHILD_H
93

source code of lldb/include/lldb/Core/ValueObjectChild.h