ValueObjectRegister.h revision 651cbe2e3f6efb8bd579a5007c2d2f90f0ab7633 
1//===-- ValueObjectRegister.h -----------------------------------*- 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#ifndef liblldb_ValueObjectRegister_h_
11#define liblldb_ValueObjectRegister_h_
12
13// C Includes
14// C++ Includes
15// Other libraries and framework includes
16// Project includes
17#include "lldb/lldb-private.h"
18#include "lldb/Core/RegisterValue.h"
19#include "lldb/Core/ValueObject.h"
20
21namespace lldb_private {
22
23//----------------------------------------------------------------------
24// A ValueObject that contains a root variable that may or may not
25// have children.
26//----------------------------------------------------------------------
27class ValueObjectRegisterContext : public ValueObject
28{
29public:
30
31    virtual
32    ~ValueObjectRegisterContext();
33
34    virtual size_t
35    GetByteSize();
36
37    virtual lldb::ValueType
38    GetValueType () const
39    {
40        return lldb::eValueTypeRegisterSet;
41    }
42
43    virtual ConstString
44    GetTypeName();
45
46    virtual ConstString
47    GetQualifiedTypeName();
48
49    virtual uint32_t
50    CalculateNumChildren();
51
52    virtual ValueObject *
53    CreateChildAtIndex (uint32_t idx, bool synthetic_array_member, int32_t synthetic_index);
54
55protected:
56    virtual bool
57    UpdateValue ();
58
59    virtual clang::ASTContext *
60    GetClangASTImpl ();
61
62    virtual lldb::clang_type_t
63    GetClangTypeImpl ();
64
65    lldb::RegisterContextSP m_reg_ctx_sp;
66
67private:
68    ValueObjectRegisterContext (ValueObject &parent, lldb::RegisterContextSP &reg_ctx_sp);
69    //------------------------------------------------------------------
70    // For ValueObject only
71    //------------------------------------------------------------------
72    DISALLOW_COPY_AND_ASSIGN (ValueObjectRegisterContext);
73};
74
75class ValueObjectRegisterSet : public ValueObject
76{
77public:
78    static lldb::ValueObjectSP
79    Create (ExecutionContextScope *exe_scope, lldb::RegisterContextSP &reg_ctx_sp, uint32_t set_idx);
80
81    virtual
82    ~ValueObjectRegisterSet();
83
84    virtual size_t
85    GetByteSize();
86
87    virtual lldb::ValueType
88    GetValueType () const
89    {
90        return lldb::eValueTypeRegisterSet;
91    }
92
93    virtual ConstString
94    GetTypeName();
95
96    virtual ConstString
97    GetQualifiedTypeName();
98
99    virtual uint32_t
100    CalculateNumChildren();
101
102    virtual ValueObject *
103    CreateChildAtIndex (uint32_t idx, bool synthetic_array_member, int32_t synthetic_index);
104
105    virtual lldb::ValueObjectSP
106    GetChildMemberWithName (const ConstString &name, bool can_create);
107
108    virtual uint32_t
109    GetIndexOfChildWithName (const ConstString &name);
110
111
112protected:
113    virtual bool
114    UpdateValue ();
115
116    virtual clang::ASTContext *
117    GetClangASTImpl ();
118
119    virtual lldb::clang_type_t
120    GetClangTypeImpl ();
121
122    lldb::RegisterContextSP m_reg_ctx_sp;
123    const RegisterSet *m_reg_set;
124    uint32_t m_reg_set_idx;
125
126private:
127    friend class ValueObjectRegisterContext;
128    ValueObjectRegisterSet (ExecutionContextScope *exe_scope, lldb::RegisterContextSP &reg_ctx_sp, uint32_t set_idx);
129
130    //------------------------------------------------------------------
131    // For ValueObject only
132    //------------------------------------------------------------------
133    DISALLOW_COPY_AND_ASSIGN (ValueObjectRegisterSet);
134};
135
136class ValueObjectRegister : public ValueObject
137{
138public:
139    static lldb::ValueObjectSP
140    Create (ExecutionContextScope *exe_scope, lldb::RegisterContextSP &reg_ctx_sp, uint32_t reg_num);
141
142    virtual
143    ~ValueObjectRegister();
144
145    virtual size_t
146    GetByteSize();
147
148    virtual lldb::ValueType
149    GetValueType () const
150    {
151        return lldb::eValueTypeRegister;
152    }
153
154    virtual ConstString
155    GetTypeName();
156
157    virtual uint32_t
158    CalculateNumChildren();
159
160    virtual bool
161    SetValueFromCString (const char *value_str, Error& error);
162
163    virtual bool
164    ResolveValue (Scalar &scalar);
165
166protected:
167    virtual bool
168    UpdateValue ();
169
170    virtual clang::ASTContext *
171    GetClangASTImpl ();
172
173    virtual lldb::clang_type_t
174    GetClangTypeImpl ();
175
176    lldb::RegisterContextSP m_reg_ctx_sp;
177    RegisterInfo m_reg_info;
178    RegisterValue m_reg_value;
179    ConstString m_type_name;
180    void *m_clang_type;
181
182private:
183    void
184    ConstructObject (uint32_t reg_num);
185
186    friend class ValueObjectRegisterSet;
187    ValueObjectRegister (ValueObject &parent, lldb::RegisterContextSP &reg_ctx_sp, uint32_t reg_num);
188    ValueObjectRegister (ExecutionContextScope *exe_scope, lldb::RegisterContextSP &reg_ctx_sp, uint32_t reg_num);
189
190    //------------------------------------------------------------------
191    // For ValueObject only
192    //------------------------------------------------------------------
193    DISALLOW_COPY_AND_ASSIGN (ValueObjectRegister);
194};
195
196} // namespace lldb_private
197
198#endif  // liblldb_ValueObjectRegister_h_
199