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| //===-- ValueObjectDynamicValue.h -------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef liblldb_ValueObjectDynamicValue_h_
#define liblldb_ValueObjectDynamicValue_h_
#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/Utility/SharingPtr.h"
#include "lldb/lldb-defines.h"
#include "lldb/lldb-enumerations.h"
#include "lldb/lldb-forward.h"
#include "lldb/lldb-private-enumerations.h"
#include <assert.h>
#include <stddef.h>
#include <stdint.h>
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 {
public:
~ValueObjectDynamicValue() override;
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(); }
void SetOwningSP(lldb::ValueObjectSP &owning_sp) {
if (m_owning_valobj_sp == owning_sp)
return;
assert(m_owning_valobj_sp.get() == nullptr);
m_owning_valobj_sp = owning_sp;
}
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;
protected:
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::ValueObjectSP m_owning_valobj_sp;
lldb::DynamicValueType m_use_dynamic;
TypeImpl m_type_impl;
private:
friend class ValueObject;
friend class ValueObjectConstResult;
ValueObjectDynamicValue(ValueObject &parent,
lldb::DynamicValueType use_dynamic);
DISALLOW_COPY_AND_ASSIGN(ValueObjectDynamicValue);
};
} // namespace lldb_private
#endif // liblldb_ValueObjectDynamicValue_h_
|