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