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 | |
25 | namespace lldb_private { |
26 | |
27 | /// A child of another ValueObject. |
28 | class ValueObjectChild : public ValueObject { |
29 | public: |
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 | |
56 | protected: |
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 | |