llvm-project/lldb/source/Core/ValueObjectCast.cpp

130 lines
3.5 KiB
C++

//===-- ValueObjectDynamicValue.cpp ---------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/Core/ValueObjectCast.h"
// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Core/Log.h"
#include "lldb/Core/Module.h"
#include "lldb/Core/ValueObjectList.h"
#include "lldb/Core/Value.h"
#include "lldb/Core/ValueObject.h"
#include "lldb/Symbol/ClangASTType.h"
#include "lldb/Symbol/ObjectFile.h"
#include "lldb/Symbol/SymbolContext.h"
#include "lldb/Symbol/Type.h"
#include "lldb/Symbol/Variable.h"
#include "lldb/Target/ExecutionContext.h"
#include "lldb/Target/LanguageRuntime.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/RegisterContext.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/Thread.h"
using namespace lldb_private;
lldb::ValueObjectSP
ValueObjectCast::Create (ValueObject &parent,
const ConstString &name,
const ClangASTType &cast_type)
{
ValueObjectCast *cast_valobj_ptr = new ValueObjectCast (parent, name, cast_type);
return cast_valobj_ptr->GetSP();
}
ValueObjectCast::ValueObjectCast
(
ValueObject &parent,
const ConstString &name,
const ClangASTType &cast_type
) :
ValueObject(parent),
m_cast_type (cast_type)
{
SetName (name);
//m_value.SetContext (Value::eContextTypeClangType, cast_type.GetOpaqueQualType());
m_value.SetClangType (cast_type);
}
ValueObjectCast::~ValueObjectCast()
{
}
ClangASTType
ValueObjectCast::GetClangTypeImpl ()
{
return m_cast_type;
}
size_t
ValueObjectCast::CalculateNumChildren()
{
return GetClangType().GetNumChildren (true);
}
uint64_t
ValueObjectCast::GetByteSize()
{
return m_value.GetValueByteSize(NULL);
}
lldb::ValueType
ValueObjectCast::GetValueType() const
{
// Let our parent answer global, local, argument, etc...
return m_parent->GetValueType();
}
bool
ValueObjectCast::UpdateValue ()
{
SetValueIsValid (false);
m_error.Clear();
if (m_parent->UpdateValueIfNeeded(false))
{
Value old_value(m_value);
m_update_point.SetUpdated();
m_value = m_parent->GetValue();
ClangASTType clang_type (GetClangType());
//m_value.SetContext (Value::eContextTypeClangType, clang_type);
m_value.SetClangType (clang_type);
SetAddressTypeOfChildren(m_parent->GetAddressTypeOfChildren());
if (clang_type.IsAggregateType ())
{
// this value object represents an aggregate type whose
// children have values, but this object does not. So we
// say we are changed if our location has changed.
SetValueDidChange (m_value.GetValueType() != old_value.GetValueType() || m_value.GetScalar() != old_value.GetScalar());
}
ExecutionContext exe_ctx (GetExecutionContextRef());
m_error = m_value.GetValueAsData(&exe_ctx, m_data, 0, GetModule().get());
SetValueDidChange (m_parent->GetValueDidChange());
return true;
}
// The dynamic value failed to get an error, pass the error along
if (m_error.Success() && m_parent->GetError().Fail())
m_error = m_parent->GetError();
SetValueIsValid (false);
return false;
}
bool
ValueObjectCast::IsInScope ()
{
return m_parent->IsInScope();
}