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
36 using namespace lldb_private;
37
38 lldb::ValueObjectSP
Create(ValueObject & parent,const ConstString & name,const ClangASTType & cast_type)39 ValueObjectCast::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
ValueObjectCast(ValueObject & parent,const ConstString & name,const ClangASTType & cast_type)47 ValueObjectCast::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
~ValueObjectCast()61 ValueObjectCast::~ValueObjectCast()
62 {
63 }
64
65 ClangASTType
GetClangTypeImpl()66 ValueObjectCast::GetClangTypeImpl ()
67 {
68 return m_cast_type;
69 }
70
71 size_t
CalculateNumChildren()72 ValueObjectCast::CalculateNumChildren()
73 {
74 return GetClangType().GetNumChildren (true);
75 }
76
77 uint64_t
GetByteSize()78 ValueObjectCast::GetByteSize()
79 {
80 return m_value.GetValueByteSize(NULL);
81 }
82
83 lldb::ValueType
GetValueType() const84 ValueObjectCast::GetValueType() const
85 {
86 // Let our parent answer global, local, argument, etc...
87 return m_parent->GetValueType();
88 }
89
90 bool
UpdateValue()91 ValueObjectCast::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
125 bool
IsInScope()126 ValueObjectCast::IsInScope ()
127 {
128 return m_parent->IsInScope();
129 }
130