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[FreeBSD/FreeBSD.git] / contrib / llvm / tools / lldb / include / lldb / Core / ValueObjectConstResultImpl.h
1 //===-- ValueObjectConstResultImpl.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_ValueObjectConstResultImpl_h_
11 #define liblldb_ValueObjectConstResultImpl_h_
12
13 #include "lldb/Utility/ConstString.h"
14 #include "lldb/lldb-defines.h"
15 #include "lldb/lldb-forward.h"
16 #include "lldb/lldb-private-enumerations.h"
17 #include "lldb/lldb-types.h"
18
19 #include <stddef.h>
20 #include <stdint.h>
21 namespace lldb_private {
22 class CompilerType;
23 }
24 namespace lldb_private {
25 class DataExtractor;
26 }
27 namespace lldb_private {
28 class Status;
29 }
30 namespace lldb_private {
31 class ValueObject;
32 }
33
34 namespace lldb_private {
35
36 //----------------------------------------------------------------------
37 // A class wrapping common implementation details for operations in
38 // ValueObjectConstResult ( & Child ) that may need to jump from the host
39 // memory space into the target's memory space
40 //----------------------------------------------------------------------
41 class ValueObjectConstResultImpl {
42 public:
43   ValueObjectConstResultImpl(ValueObject *valobj,
44                              lldb::addr_t live_address = LLDB_INVALID_ADDRESS);
45
46   virtual ~ValueObjectConstResultImpl() = default;
47
48   lldb::ValueObjectSP Dereference(Status &error);
49
50   ValueObject *CreateChildAtIndex(size_t idx, bool synthetic_array_member,
51                                   int32_t synthetic_index);
52
53   lldb::ValueObjectSP
54   GetSyntheticChildAtOffset(uint32_t offset, const CompilerType &type,
55                             bool can_create,
56                             ConstString name_const_str = ConstString());
57
58   lldb::ValueObjectSP AddressOf(Status &error);
59
60   lldb::addr_t GetLiveAddress() { return m_live_address; }
61
62   lldb::ValueObjectSP Cast(const CompilerType &compiler_type);
63
64   void SetLiveAddress(lldb::addr_t addr = LLDB_INVALID_ADDRESS,
65                       AddressType address_type = eAddressTypeLoad) {
66     m_live_address = addr;
67     m_live_address_type = address_type;
68   }
69
70   virtual lldb::addr_t GetAddressOf(bool scalar_is_load_address = true,
71                                     AddressType *address_type = nullptr);
72
73   virtual size_t GetPointeeData(DataExtractor &data, uint32_t item_idx = 0,
74                                 uint32_t item_count = 1);
75
76 private:
77   ValueObject *m_impl_backend;
78   lldb::addr_t m_live_address;
79   AddressType m_live_address_type;
80   lldb::ValueObjectSP m_load_addr_backend;
81   lldb::ValueObjectSP m_address_of_backend;
82
83   DISALLOW_COPY_AND_ASSIGN(ValueObjectConstResultImpl);
84 };
85
86 } // namespace lldb_private
87
88 #endif // liblldb_ValueObjectConstResultImpl_h_