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 public:
  28   ValueObjectConstResultImpl(ValueObject *valobj,
  29                              lldb::addr_t live_address = LLDB_INVALID_ADDRESS);
  30
  31   virtual ~ValueObjectConstResultImpl() = default;
  32
  33   lldb::ValueObjectSP Dereference(Error &error);
  34
  35   ValueObject *CreateChildAtIndex(size_t idx, bool synthetic_array_member,
  36                                   int32_t synthetic_index);
  37
  38   lldb::ValueObjectSP
  39   GetSyntheticChildAtOffset(uint32_t offset, const CompilerType &type,
  40                             bool can_create,
  41                             ConstString name_const_str = ConstString());
  42
  43   lldb::ValueObjectSP AddressOf(Error &error);
  44
  45   lldb::addr_t GetLiveAddress() { return m_live_address; }
  46
  47   lldb::ValueObjectSP Cast(const CompilerType &compiler_type);
  48
  49   void SetLiveAddress(lldb::addr_t addr = LLDB_INVALID_ADDRESS,
  50                       AddressType address_type = eAddressTypeLoad) {
  51     m_live_address = addr;
  52     m_live_address_type = address_type;
  53   }
  54
  55   virtual lldb::addr_t GetAddressOf(bool scalar_is_load_address = true,
  56                                     AddressType *address_type = nullptr);
  57
  58   virtual size_t GetPointeeData(DataExtractor &data, uint32_t item_idx = 0,
  59                                 uint32_t item_count = 1);
  60
  61 private:
  62   ValueObject *m_impl_backend;
  63   lldb::addr_t m_live_address;
  64   AddressType m_live_address_type;
  65   lldb::ValueObjectSP m_load_addr_backend;
  66   lldb::ValueObjectSP m_address_of_backend;
  67
  68   DISALLOW_COPY_AND_ASSIGN(ValueObjectConstResultImpl);
  69 };
  70
  71 } // namespace lldb_private
  72
  73 #endif // liblldb_ValueObjectConstResultImpl_h_