1 //===-- ValueObjectDynamicValue.h -------------------------------*- C++ -*-===//
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
7 //===----------------------------------------------------------------------===//
9 #ifndef liblldb_ValueObjectDynamicValue_h_
10 #define liblldb_ValueObjectDynamicValue_h_
12 #include "lldb/Core/Address.h"
13 #include "lldb/Core/ValueObject.h"
14 #include "lldb/Symbol/CompilerType.h"
15 #include "lldb/Symbol/Type.h"
16 #include "lldb/Utility/ConstString.h"
17 #include "lldb/Utility/SharingPtr.h"
18 #include "lldb/lldb-defines.h"
19 #include "lldb/lldb-enumerations.h"
20 #include "lldb/lldb-forward.h"
21 #include "lldb/lldb-private-enumerations.h"
27 namespace lldb_private {
32 // A ValueObject that represents memory at a given address, viewed as some
34 class ValueObjectDynamicValue : public ValueObject {
36 ~ValueObjectDynamicValue() override;
38 uint64_t GetByteSize() override;
40 ConstString GetTypeName() override;
42 ConstString GetQualifiedTypeName() override;
44 ConstString GetDisplayTypeName() override;
46 size_t CalculateNumChildren(uint32_t max) override;
48 lldb::ValueType GetValueType() const override;
50 bool IsInScope() override;
52 bool IsDynamic() override { return true; }
54 bool IsBaseClass() override {
56 return m_parent->IsBaseClass();
60 bool GetIsConstant() const override { return false; }
62 ValueObject *GetParent() override {
63 return ((m_parent != nullptr) ? m_parent->GetParent() : nullptr);
66 const ValueObject *GetParent() const override {
67 return ((m_parent != nullptr) ? m_parent->GetParent() : nullptr);
70 lldb::ValueObjectSP GetStaticValue() override { return m_parent->GetSP(); }
72 void SetOwningSP(lldb::ValueObjectSP &owning_sp) {
73 if (m_owning_valobj_sp == owning_sp)
76 assert(m_owning_valobj_sp.get() == nullptr);
77 m_owning_valobj_sp = owning_sp;
80 bool SetValueFromCString(const char *value_str, Status &error) override;
82 bool SetData(DataExtractor &data, Status &error) override;
84 TypeImpl GetTypeImpl() override;
86 lldb::VariableSP GetVariable() override {
87 return m_parent ? m_parent->GetVariable() : nullptr;
90 lldb::LanguageType GetPreferredDisplayLanguage() override;
92 void SetPreferredDisplayLanguage(lldb::LanguageType);
94 bool IsSyntheticChildrenGenerated() override;
96 void SetSyntheticChildrenGenerated(bool b) override;
98 bool GetDeclaration(Declaration &decl) override;
100 uint64_t GetLanguageFlags() override;
102 void SetLanguageFlags(uint64_t flags) override;
105 bool UpdateValue() override;
107 LazyBool CanUpdateWithInvalidExecutionContext() override {
111 lldb::DynamicValueType GetDynamicValueTypeImpl() override {
112 return m_use_dynamic;
115 bool HasDynamicValueTypeInfo() override { return true; }
117 CompilerType GetCompilerTypeImpl() override;
119 Address m_address; ///< The variable that this value object is based upon
120 TypeAndOrName m_dynamic_type_info; // We can have a type_sp or just a name
121 lldb::ValueObjectSP m_owning_valobj_sp;
122 lldb::DynamicValueType m_use_dynamic;
123 TypeImpl m_type_impl;
126 friend class ValueObject;
127 friend class ValueObjectConstResult;
128 ValueObjectDynamicValue(ValueObject &parent,
129 lldb::DynamicValueType use_dynamic);
131 DISALLOW_COPY_AND_ASSIGN(ValueObjectDynamicValue);
134 } // namespace lldb_private
136 #endif // liblldb_ValueObjectDynamicValue_h_