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 
21   OptionValueUInt64(uint64_t value)
22       : m_current_value(value), m_default_value(value) {}
23 
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 
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 
41   Status
42   SetValueFromString(llvm::StringRef value,
43                      VarSetOperationType op = eVarSetOperationAssign) override;
44 
45   void Clear() override {
46     m_current_value = m_default_value;
47     m_value_was_set = false;
48   }
49 
50   // Subclass specific functions
51 
52   const uint64_t &operator=(uint64_t value) {
53     m_current_value = value;
54     return m_current_value;
55   }
56 
57   operator uint64_t() const { return m_current_value; }
58 
59   uint64_t GetCurrentValue() const { return m_current_value; }
60 
61   uint64_t GetDefaultValue() const { return m_default_value; }
62 
63   void SetCurrentValue(uint64_t value) { m_current_value = value; }
64 
65   void SetDefaultValue(uint64_t value) { m_default_value = value; }
66 
67 protected:
68   uint64_t m_current_value = 0;
69   uint64_t m_default_value = 0;
70 };
71 
72 } // namespace lldb_private
73 
74 #endif // LLDB_INTERPRETER_OPTIONVALUEUINT64_H
75