1//===-- ValueObjectDynamicValue.cpp ---------------------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10
11#include "lldb/Core/ValueObjectCast.h"
12
13// C Includes
14// C++ Includes
15// Other libraries and framework includes
16// Project includes
17#include "lldb/Core/Log.h"
18#include "lldb/Core/Module.h"
19#include "lldb/Core/ValueObjectList.h"
20#include "lldb/Core/Value.h"
21#include "lldb/Core/ValueObject.h"
22
23#include "lldb/Symbol/ClangASTType.h"
24#include "lldb/Symbol/ObjectFile.h"
25#include "lldb/Symbol/SymbolContext.h"
26#include "lldb/Symbol/Type.h"
27#include "lldb/Symbol/Variable.h"
28
29#include "lldb/Target/ExecutionContext.h"
30#include "lldb/Target/LanguageRuntime.h"
31#include "lldb/Target/Process.h"
32#include "lldb/Target/RegisterContext.h"
33#include "lldb/Target/Target.h"
34#include "lldb/Target/Thread.h"
35
36using namespace lldb_private;
37
38lldb::ValueObjectSP
39ValueObjectCast::Create (ValueObject &parent,
40                         const ConstString &name,
41                         const ClangASTType &cast_type)
42{
43    ValueObjectCast *cast_valobj_ptr = new ValueObjectCast (parent, name, cast_type);
44    return cast_valobj_ptr->GetSP();
45}
46
47ValueObjectCast::ValueObjectCast
48(
49    ValueObject &parent,
50    const ConstString &name,
51    const ClangASTType &cast_type
52) :
53    ValueObject(parent),
54    m_cast_type (cast_type)
55{
56    SetName (name);
57    //m_value.SetContext (Value::eContextTypeClangType, cast_type.GetOpaqueQualType());
58    m_value.SetClangType (cast_type);
59}
60
61ValueObjectCast::~ValueObjectCast()
62{
63}
64
65ClangASTType
66ValueObjectCast::GetClangTypeImpl ()
67{
68    return m_cast_type;
69}
70
71size_t
72ValueObjectCast::CalculateNumChildren()
73{
74    return GetClangType().GetNumChildren (true);
75}
76
77uint64_t
78ValueObjectCast::GetByteSize()
79{
80    return m_value.GetValueByteSize(NULL);
81}
82
83lldb::ValueType
84ValueObjectCast::GetValueType() const
85{
86    // Let our parent answer global, local, argument, etc...
87    return m_parent->GetValueType();
88}
89
90bool
91ValueObjectCast::UpdateValue ()
92{
93    SetValueIsValid (false);
94    m_error.Clear();
95
96    if (m_parent->UpdateValueIfNeeded(false))
97    {
98        Value old_value(m_value);
99        m_update_point.SetUpdated();
100        m_value = m_parent->GetValue();
101        ClangASTType clang_type (GetClangType());
102        //m_value.SetContext (Value::eContextTypeClangType, clang_type);
103        m_value.SetClangType (clang_type);
104        SetAddressTypeOfChildren(m_parent->GetAddressTypeOfChildren());
105        if (clang_type.IsAggregateType ())
106        {
107            // this value object represents an aggregate type whose
108            // children have values, but this object does not. So we
109            // say we are changed if our location has changed.
110            SetValueDidChange (m_value.GetValueType() != old_value.GetValueType() || m_value.GetScalar() != old_value.GetScalar());
111        }
112        ExecutionContext exe_ctx (GetExecutionContextRef());
113        m_error = m_value.GetValueAsData(&exe_ctx, m_data, 0, GetModule().get());
114        SetValueDidChange (m_parent->GetValueDidChange());
115        return true;
116    }
117
118    // The dynamic value failed to get an error, pass the error along
119    if (m_error.Success() && m_parent->GetError().Fail())
120        m_error = m_parent->GetError();
121    SetValueIsValid (false);
122    return false;
123}
124
125bool
126ValueObjectCast::IsInScope ()
127{
128    return m_parent->IsInScope();
129}
130