1 //===-- ValueObjectCast.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_VALUEOBJECT_VALUEOBJECTCAST_H 10 #define LLDB_VALUEOBJECT_VALUEOBJECTCAST_H 11 12 #include "lldb/Symbol/CompilerType.h" 13 #include "lldb/ValueObject/ValueObject.h" 14 #include "lldb/lldb-defines.h" 15 #include "lldb/lldb-enumerations.h" 16 #include "lldb/lldb-forward.h" 17 18 #include <cstddef> 19 #include <cstdint> 20 #include <optional> 21 22 namespace lldb_private { 23 class ConstString; 24 25 /// A ValueObject that represents a given value represented as a different type. 26 class ValueObjectCast : public ValueObject { 27 public: 28 ~ValueObjectCast() override; 29 30 static lldb::ValueObjectSP Create(ValueObject &parent, ConstString name, 31 const CompilerType &cast_type); 32 33 llvm::Expected<uint64_t> GetByteSize() override; 34 35 llvm::Expected<uint32_t> CalculateNumChildren(uint32_t max) override; 36 37 lldb::ValueType GetValueType() const override; 38 39 bool IsInScope() override; 40 GetParent()41 ValueObject *GetParent() override { 42 return ((m_parent != nullptr) ? m_parent->GetParent() : nullptr); 43 } 44 GetParent()45 const ValueObject *GetParent() const override { 46 return ((m_parent != nullptr) ? m_parent->GetParent() : nullptr); 47 } 48 49 protected: 50 ValueObjectCast(ValueObject &parent, ConstString name, 51 const CompilerType &cast_type); 52 53 bool UpdateValue() override; 54 55 CompilerType GetCompilerTypeImpl() override; 56 57 CompilerType m_cast_type; 58 59 private: 60 ValueObjectCast(const ValueObjectCast &) = delete; 61 const ValueObjectCast &operator=(const ValueObjectCast &) = delete; 62 }; 63 64 } // namespace lldb_private 65 66 #endif // LLDB_VALUEOBJECT_VALUEOBJECTCAST_H 67