1 //===-- ValueObjectDynamicValue.h -------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #ifndef liblldb_ValueObjectDynamicValue_h_
11 #define liblldb_ValueObjectDynamicValue_h_
13 #include "lldb/Core/Address.h" // for Address
14 #include "lldb/Core/ValueObject.h"
15 #include "lldb/Symbol/CompilerType.h" // for CompilerType
16 #include "lldb/Symbol/Type.h"
17 #include "lldb/Utility/ConstString.h" // for ConstString
18 #include "lldb/Utility/SharingPtr.h" // for operator==
19 #include "lldb/lldb-defines.h" // for DISALLOW_COPY_AND_ASSIGN
20 #include "lldb/lldb-enumerations.h" // for DynamicValueType, Langua...
21 #include "lldb/lldb-forward.h" // for ValueObjectSP, VariableSP
22 #include "lldb/lldb-private-enumerations.h" // for LazyBool, LazyBool::eLaz...
24 #include <assert.h> // for assert
25 #include <stddef.h> // for size_t
26 #include <stdint.h> // for uint64_t, uint32_t
28 namespace lldb_private {
31 namespace lldb_private {
34 namespace lldb_private {
37 namespace lldb_private {
39 //----------------------------------------------------------------------
40 // A ValueObject that represents memory at a given address, viewed as some
42 //----------------------------------------------------------------------
43 class ValueObjectDynamicValue : public ValueObject {
45 ~ValueObjectDynamicValue() override;
47 uint64_t GetByteSize() override;
49 ConstString GetTypeName() override;
51 ConstString GetQualifiedTypeName() override;
53 ConstString GetDisplayTypeName() override;
55 size_t CalculateNumChildren(uint32_t max) override;
57 lldb::ValueType GetValueType() const override;
59 bool IsInScope() override;
61 bool IsDynamic() override { return true; }
63 bool IsBaseClass() override {
65 return m_parent->IsBaseClass();
69 bool GetIsConstant() const override { return false; }
71 ValueObject *GetParent() override {
72 return ((m_parent != nullptr) ? m_parent->GetParent() : nullptr);
75 const ValueObject *GetParent() const override {
76 return ((m_parent != nullptr) ? m_parent->GetParent() : nullptr);
79 lldb::ValueObjectSP GetStaticValue() override { return m_parent->GetSP(); }
81 void SetOwningSP(lldb::ValueObjectSP &owning_sp) {
82 if (m_owning_valobj_sp == owning_sp)
85 assert(m_owning_valobj_sp.get() == nullptr);
86 m_owning_valobj_sp = owning_sp;
89 bool SetValueFromCString(const char *value_str, Status &error) override;
91 bool SetData(DataExtractor &data, Status &error) override;
93 TypeImpl GetTypeImpl() override;
95 lldb::VariableSP GetVariable() override {
96 return m_parent ? m_parent->GetVariable() : nullptr;
99 lldb::LanguageType GetPreferredDisplayLanguage() override;
101 void SetPreferredDisplayLanguage(lldb::LanguageType);
103 bool IsSyntheticChildrenGenerated() override;
105 void SetSyntheticChildrenGenerated(bool b) override;
107 bool GetDeclaration(Declaration &decl) override;
109 uint64_t GetLanguageFlags() override;
111 void SetLanguageFlags(uint64_t flags) override;
114 bool UpdateValue() override;
116 LazyBool CanUpdateWithInvalidExecutionContext() override {
120 lldb::DynamicValueType GetDynamicValueTypeImpl() override {
121 return m_use_dynamic;
124 bool HasDynamicValueTypeInfo() override { return true; }
126 CompilerType GetCompilerTypeImpl() override;
128 Address m_address; ///< The variable that this value object is based upon
129 TypeAndOrName m_dynamic_type_info; // We can have a type_sp or just a name
130 lldb::ValueObjectSP m_owning_valobj_sp;
131 lldb::DynamicValueType m_use_dynamic;
132 TypeImpl m_type_impl;
135 friend class ValueObject;
136 friend class ValueObjectConstResult;
137 ValueObjectDynamicValue(ValueObject &parent,
138 lldb::DynamicValueType use_dynamic);
140 DISALLOW_COPY_AND_ASSIGN(ValueObjectDynamicValue);
143 } // namespace lldb_private
145 #endif // liblldb_ValueObjectDynamicValue_h_