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//===-- ValueObjectCast.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"
#include "lldb/Core/Value.h"
#include "lldb/Core/ValueObject.h"
#include "lldb/Symbol/CompilerType.h"
#include "lldb/Target/ExecutionContext.h"
#include "lldb/Utility/Scalar.h"
#include "lldb/Utility/Status.h"
namespace lldb_private {
class ConstString;
}
using namespace lldb_private;
lldb::ValueObjectSP ValueObjectCast::Create(ValueObject &parent,
const ConstString &name,
const CompilerType &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 CompilerType &cast_type)
: ValueObject(parent), m_cast_type(cast_type) {
SetName(name);
// m_value.SetContext (Value::eContextTypeClangType,
// cast_type.GetOpaqueQualType());
m_value.SetCompilerType(cast_type);
}
ValueObjectCast::~ValueObjectCast() {}
CompilerType ValueObjectCast::GetCompilerTypeImpl() { return m_cast_type; }
size_t ValueObjectCast::CalculateNumChildren(uint32_t max) {
ExecutionContext exe_ctx(GetExecutionContextRef());
auto children_count = GetCompilerType().GetNumChildren(
true, &exe_ctx);
return children_count <= max ? children_count : max;
}
uint64_t ValueObjectCast::GetByteSize() {
ExecutionContext exe_ctx(GetExecutionContextRef());
return m_value.GetValueByteSize(nullptr, &exe_ctx);
}
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();
CompilerType compiler_type(GetCompilerType());
// m_value.SetContext (Value::eContextTypeClangType, compiler_type);
m_value.SetCompilerType(compiler_type);
SetAddressTypeOfChildren(m_parent->GetAddressTypeOfChildren());
if (!CanProvideValue()) {
// 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(); }
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