1 //===-- ValueObjectMemory.h -----------------------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLDB_CORE_VALUEOBJECTMEMORY_H 10 #define LLDB_CORE_VALUEOBJECTMEMORY_H 11 12 #include "lldb/Core/Address.h" 13 #include "lldb/Core/ValueObject.h" 14 #include "lldb/Symbol/CompilerType.h" 15 #include "lldb/Utility/ConstString.h" 16 #include "lldb/lldb-defines.h" 17 #include "lldb/lldb-enumerations.h" 18 #include "lldb/lldb-forward.h" 19 #include "llvm/ADT/StringRef.h" 20 21 #include <stddef.h> 22 #include <stdint.h> 23 24 namespace lldb_private { 25 class ExecutionContextScope; 26 27 // A ValueObject that represents memory at a given address, viewed as some 28 // set lldb type. 29 class ValueObjectMemory : public ValueObject { 30 public: 31 ~ValueObjectMemory() override; 32 33 static lldb::ValueObjectSP Create(ExecutionContextScope *exe_scope, 34 llvm::StringRef name, 35 const Address &address, 36 lldb::TypeSP &type_sp); 37 38 static lldb::ValueObjectSP Create(ExecutionContextScope *exe_scope, 39 llvm::StringRef name, 40 const Address &address, 41 const CompilerType &ast_type); 42 43 llvm::Optional<uint64_t> GetByteSize() override; 44 45 ConstString GetTypeName() override; 46 47 ConstString GetDisplayTypeName() override; 48 49 size_t CalculateNumChildren(uint32_t max) override; 50 51 lldb::ValueType GetValueType() const override; 52 53 bool IsInScope() override; 54 55 lldb::ModuleSP GetModule() override; 56 57 protected: 58 bool UpdateValue() override; 59 60 CompilerType GetCompilerTypeImpl() override; 61 62 Address m_address; ///< The variable that this value object is based upon 63 lldb::TypeSP m_type_sp; 64 CompilerType m_compiler_type; 65 66 private: 67 ValueObjectMemory(ExecutionContextScope *exe_scope, 68 ValueObjectManager &manager, llvm::StringRef name, 69 const Address &address, lldb::TypeSP &type_sp); 70 71 ValueObjectMemory(ExecutionContextScope *exe_scope, 72 ValueObjectManager &manager, llvm::StringRef name, 73 const Address &address, const CompilerType &ast_type); 74 // For ValueObject only 75 ValueObjectMemory(const ValueObjectMemory &) = delete; 76 const ValueObjectMemory &operator=(const ValueObjectMemory &) = delete; 77 }; 78 79 } // namespace lldb_private 80 81 #endif // LLDB_CORE_VALUEOBJECTMEMORY_H 82