1 //===-- OptionValueUInt64.h --------------------------------------*- C++ 2 //-*-===// 3 // 4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5 // See https://llvm.org/LICENSE.txt for license information. 6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7 // 8 //===----------------------------------------------------------------------===// 9 10 #ifndef LLDB_INTERPRETER_OPTIONVALUEUINT64_H 11 #define LLDB_INTERPRETER_OPTIONVALUEUINT64_H 12 13 #include "lldb/Interpreter/OptionValue.h" 14 15 namespace lldb_private { 16 17 class OptionValueUInt64 : public Cloneable<OptionValueUInt64, OptionValue> { 18 public: 19 OptionValueUInt64() = default; 20 OptionValueUInt64(uint64_t value)21 OptionValueUInt64(uint64_t value) 22 : m_current_value(value), m_default_value(value) {} 23 OptionValueUInt64(uint64_t current_value,uint64_t default_value)24 OptionValueUInt64(uint64_t current_value, uint64_t default_value) 25 : m_current_value(current_value), m_default_value(default_value) {} 26 27 ~OptionValueUInt64() override = default; 28 29 // Decode a uint64_t from "value_cstr" return a OptionValueUInt64 object 30 // inside of a lldb::OptionValueSP object if all goes well. If the string 31 // isn't a uint64_t value or any other error occurs, return an empty 32 // lldb::OptionValueSP and fill error in with the correct stuff. 33 static lldb::OptionValueSP Create(llvm::StringRef value_str, Status &error); 34 // Virtual subclass pure virtual overrides 35 GetType()36 OptionValue::Type GetType() const override { return eTypeUInt64; } 37 38 void DumpValue(const ExecutionContext *exe_ctx, Stream &strm, 39 uint32_t dump_mask) override; 40 ToJSON(const ExecutionContext * exe_ctx)41 llvm::json::Value ToJSON(const ExecutionContext *exe_ctx) override { 42 return m_current_value; 43 } 44 45 Status 46 SetValueFromString(llvm::StringRef value, 47 VarSetOperationType op = eVarSetOperationAssign) override; 48 Clear()49 void Clear() override { 50 m_current_value = m_default_value; 51 m_value_was_set = false; 52 } 53 54 // Subclass specific functions 55 56 const uint64_t &operator=(uint64_t value) { 57 m_current_value = value; 58 return m_current_value; 59 } 60 uint64_t()61 operator uint64_t() const { return m_current_value; } 62 GetCurrentValue()63 uint64_t GetCurrentValue() const { return m_current_value; } 64 GetDefaultValue()65 uint64_t GetDefaultValue() const { return m_default_value; } 66 SetCurrentValue(uint64_t value)67 bool SetCurrentValue(uint64_t value) { 68 if (value >= m_min_value && value <= m_max_value) { 69 m_current_value = value; 70 return true; 71 } 72 return false; 73 } 74 SetDefaultValue(uint64_t value)75 bool SetDefaultValue(uint64_t value) { 76 if (value >= m_min_value && value <= m_max_value) { 77 m_default_value = value; 78 return true; 79 } 80 return false; 81 } 82 SetMinimumValue(int64_t v)83 void SetMinimumValue(int64_t v) { m_min_value = v; } 84 GetMinimumValue()85 uint64_t GetMinimumValue() const { return m_min_value; } 86 SetMaximumValue(int64_t v)87 void SetMaximumValue(int64_t v) { m_max_value = v; } 88 GetMaximumValue()89 uint64_t GetMaximumValue() const { return m_max_value; } 90 91 protected: 92 uint64_t m_current_value = 0; 93 uint64_t m_default_value = 0; 94 uint64_t m_min_value = std::numeric_limits<uint64_t>::min(); 95 uint64_t m_max_value = std::numeric_limits<uint64_t>::max(); 96 }; 97 98 } // namespace lldb_private 99 100 #endif // LLDB_INTERPRETER_OPTIONVALUEUINT64_H 101