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//===-- ValueObjectDynamicValue.h -------------------------------*- C++ -*-===//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#include "lldb/Core/Address.h"
#include "lldb/Core/ValueObject.h"
#include "lldb/Symbol/CompilerType.h"
#include "lldb/Symbol/Type.h"
#include "lldb/Utility/ConstString.h"
#include "lldb/lldb-defines.h"
#include "lldb/lldb-enumerations.h"
#include "lldb/lldb-forward.h"
#include "lldb/lldb-private-enumerations.h"
#include <cassert>
#include <cstddef>
#include <cstdint>
namespace lldb_private {
class DataExtractor;
class Declaration;
class Status;
/// A ValueObject that represents memory at a given address, viewed as some
/// set lldb type.
class ValueObjectDynamicValue : public ValueObject {
~ValueObjectDynamicValue() = default;
llvm::Optional<uint64_t> GetByteSize() override;
ConstString GetTypeName() override;
ConstString GetQualifiedTypeName() override;
ConstString GetDisplayTypeName() override;
size_t CalculateNumChildren(uint32_t max) override;
lldb::ValueType GetValueType() const override;
bool IsInScope() override;
bool IsDynamic() override { return true; }
bool IsBaseClass() override {
if (m_parent)
return m_parent->IsBaseClass();
return false;
bool GetIsConstant() const override { return false; }
ValueObject *GetParent() override {
return ((m_parent != nullptr) ? m_parent->GetParent() : nullptr);
const ValueObject *GetParent() const override {
return ((m_parent != nullptr) ? m_parent->GetParent() : nullptr);
lldb::ValueObjectSP GetStaticValue() override { return m_parent->GetSP(); }
bool SetValueFromCString(const char *value_str, Status &error) override;
bool SetData(DataExtractor &data, Status &error) override;
TypeImpl GetTypeImpl() override;
lldb::VariableSP GetVariable() override {
return m_parent ? m_parent->GetVariable() : nullptr;
lldb::LanguageType GetPreferredDisplayLanguage() override;
void SetPreferredDisplayLanguage(lldb::LanguageType);
bool IsSyntheticChildrenGenerated() override;
void SetSyntheticChildrenGenerated(bool b) override;
bool GetDeclaration(Declaration &decl) override;
uint64_t GetLanguageFlags() override;
void SetLanguageFlags(uint64_t flags) override;
bool UpdateValue() override;
LazyBool CanUpdateWithInvalidExecutionContext() override {
return eLazyBoolYes;
lldb::DynamicValueType GetDynamicValueTypeImpl() override {
return m_use_dynamic;
bool HasDynamicValueTypeInfo() override { return true; }
CompilerType GetCompilerTypeImpl() override;
Address m_address; ///< The variable that this value object is based upon
TypeAndOrName m_dynamic_type_info; // We can have a type_sp or just a name
lldb::DynamicValueType m_use_dynamic;
TypeImpl m_type_impl;
friend class ValueObject;
friend class ValueObjectConstResult;
ValueObjectDynamicValue(ValueObject &parent,
lldb::DynamicValueType use_dynamic);
ValueObjectDynamicValue(const ValueObjectDynamicValue &) = delete;
const ValueObjectDynamicValue &
operator=(const ValueObjectDynamicValue &) = delete;
} // namespace lldb_private