contrib/llvm/tools/lldb/include/lldb/Core/ValueObjectMemory.h

   1 //===-- ValueObjectMemory.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_ValueObjectMemory_h_
  11 #define liblldb_ValueObjectMemory_h_
  12
  13 #include "lldb/Core/Address.h"
  14 #include "lldb/Core/ValueObject.h"
  15 #include "lldb/Symbol/CompilerType.h"
  16 #include "lldb/Utility/ConstString.h"
  17 #include "lldb/lldb-defines.h"
  18 #include "lldb/lldb-enumerations.h"
  19 #include "lldb/lldb-forward.h"
  20 #include "llvm/ADT/StringRef.h"
  21
  22 #include <stddef.h>
  23 #include <stdint.h>
  24
  25 namespace lldb_private {
  26 class ExecutionContextScope;
  27 }
  28
  29 namespace lldb_private {
  30
  31 //----------------------------------------------------------------------
  32 // A ValueObject that represents memory at a given address, viewed as some
  33 // set lldb type.
  34 //----------------------------------------------------------------------
  35 class ValueObjectMemory : public ValueObject {
  36 public:
  37   ~ValueObjectMemory() override;
  38
  39   static lldb::ValueObjectSP Create(ExecutionContextScope *exe_scope,
  40                                     llvm::StringRef name,
  41                                     const Address &address,
  42                                     lldb::TypeSP &type_sp);
  43
  44   static lldb::ValueObjectSP Create(ExecutionContextScope *exe_scope,
  45                                     llvm::StringRef name,
  46                                     const Address &address,
  47                                     const CompilerType &ast_type);
  48
  49   uint64_t GetByteSize() override;
  50
  51   ConstString GetTypeName() override;
  52
  53   ConstString GetDisplayTypeName() override;
  54
  55   size_t CalculateNumChildren(uint32_t max) override;
  56
  57   lldb::ValueType GetValueType() const override;
  58
  59   bool IsInScope() override;
  60
  61   lldb::ModuleSP GetModule() override;
  62
  63 protected:
  64   bool UpdateValue() override;
  65
  66   CompilerType GetCompilerTypeImpl() override;
  67
  68   Address m_address; ///< The variable that this value object is based upon
  69   lldb::TypeSP m_type_sp;
  70   CompilerType m_compiler_type;
  71
  72 private:
  73   ValueObjectMemory(ExecutionContextScope *exe_scope, llvm::StringRef name,
  74                     const Address &address, lldb::TypeSP &type_sp);
  75
  76   ValueObjectMemory(ExecutionContextScope *exe_scope, llvm::StringRef name,
  77                     const Address &address, const CompilerType &ast_type);
  78   //------------------------------------------------------------------
  79   // For ValueObject only
  80   //------------------------------------------------------------------
  81   DISALLOW_COPY_AND_ASSIGN(ValueObjectMemory);
  82 };
  83
  84 } // namespace lldb_private
  85
  86 #endif // liblldb_ValueObjectMemory_h_