| 1 | //===-- ValueObjectVariable.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_VALUEOBJECTVARIABLE_H |
| 10 | #define LLDB_CORE_VALUEOBJECTVARIABLE_H |
| 11 | |
| 12 | #include "lldb/Core/ValueObject.h" |
| 13 | |
| 14 | #include "lldb/Core/Value.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 | |
| 21 | #include <cstddef> |
| 22 | #include <cstdint> |
| 23 | #include <optional> |
| 24 | |
| 25 | namespace lldb_private { |
| 26 | class DataExtractor; |
| 27 | class Declaration; |
| 28 | class Status; |
| 29 | class ExecutionContextScope; |
| 30 | class SymbolContextScope; |
| 31 | |
| 32 | /// A ValueObject that contains a root variable that may or may not |
| 33 | /// have children. |
| 34 | class ValueObjectVariable : public ValueObject { |
| 35 | public: |
| 36 | ~ValueObjectVariable() override; |
| 37 | |
| 38 | static lldb::ValueObjectSP Create(ExecutionContextScope *exe_scope, |
| 39 | const lldb::VariableSP &var_sp); |
| 40 | |
| 41 | std::optional<uint64_t> GetByteSize() override; |
| 42 | |
| 43 | ConstString GetTypeName() override; |
| 44 | |
| 45 | ConstString GetQualifiedTypeName() 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 | SymbolContextScope *GetSymbolContextScope() override; |
| 58 | |
| 59 | bool GetDeclaration(Declaration &decl) override; |
| 60 | |
| 61 | const char *GetLocationAsCString() override; |
| 62 | |
| 63 | bool SetValueFromCString(const char *value_str, Status &error) override; |
| 64 | |
| 65 | bool SetData(DataExtractor &data, Status &error) override; |
| 66 | |
| 67 | lldb::VariableSP GetVariable() override { return m_variable_sp; } |
| 68 | |
| 69 | protected: |
| 70 | bool UpdateValue() override; |
| 71 | |
| 72 | void DoUpdateChildrenAddressType(ValueObject &valobj) override; |
| 73 | |
| 74 | CompilerType GetCompilerTypeImpl() override; |
| 75 | |
| 76 | /// The variable that this value object is based upon. |
| 77 | lldb::VariableSP m_variable_sp; |
| 78 | ///< The value that DWARFExpression resolves this variable to before we patch |
| 79 | ///< it up. |
| 80 | Value m_resolved_value; |
| 81 | |
| 82 | private: |
| 83 | ValueObjectVariable(ExecutionContextScope *exe_scope, |
| 84 | ValueObjectManager &manager, |
| 85 | const lldb::VariableSP &var_sp); |
| 86 | // For ValueObject only |
| 87 | ValueObjectVariable(const ValueObjectVariable &) = delete; |
| 88 | const ValueObjectVariable &operator=(const ValueObjectVariable &) = delete; |
| 89 | }; |
| 90 | |
| 91 | } // namespace lldb_private |
| 92 | |
| 93 | #endif // LLDB_CORE_VALUEOBJECTVARIABLE_H |
| 94 |