xref: /freebsd/contrib/llvm-project/lldb/include/lldb/Interpreter/OptionValueBoolean.h (revision 02e9120893770924227138ba49df1edb3896112a)
1 //===-- OptionValueBoolean.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_INTERPRETER_OPTIONVALUEBOOLEAN_H
10 #define LLDB_INTERPRETER_OPTIONVALUEBOOLEAN_H
11 
12 #include "lldb/Interpreter/OptionValue.h"
13 
14 namespace lldb_private {
15 
16 class OptionValueBoolean : public Cloneable<OptionValueBoolean, OptionValue> {
17 public:
18   OptionValueBoolean(bool value)
19       : m_current_value(value), m_default_value(value) {}
20   OptionValueBoolean(bool current_value, bool default_value)
21       : m_current_value(current_value), m_default_value(default_value) {}
22 
23   ~OptionValueBoolean() override = default;
24 
25   // Virtual subclass pure virtual overrides
26 
27   OptionValue::Type GetType() const override { return eTypeBoolean; }
28 
29   void DumpValue(const ExecutionContext *exe_ctx, Stream &strm,
30                  uint32_t dump_mask) override;
31 
32   llvm::json::Value ToJSON(const ExecutionContext *exe_ctx) override {
33     return m_current_value;
34   }
35 
36   Status
37   SetValueFromString(llvm::StringRef value,
38                      VarSetOperationType op = eVarSetOperationAssign) override;
39 
40   void Clear() override {
41     m_current_value = m_default_value;
42     m_value_was_set = false;
43   }
44 
45   void AutoComplete(CommandInterpreter &interpreter,
46                     CompletionRequest &request) override;
47 
48   // Subclass specific functions
49 
50   /// Convert to bool operator.
51   ///
52   /// This allows code to check a OptionValueBoolean in conditions.
53   ///
54   /// \code
55   /// OptionValueBoolean bool_value(...);
56   /// if (bool_value)
57   /// { ...
58   /// \endcode
59   ///
60   /// \return
61   ///     /b True this object contains a valid namespace decl, \b
62   ///     false otherwise.
63   explicit operator bool() const { return m_current_value; }
64 
65   const bool &operator=(bool b) {
66     m_current_value = b;
67     return m_current_value;
68   }
69 
70   bool GetCurrentValue() const { return m_current_value; }
71 
72   bool GetDefaultValue() const { return m_default_value; }
73 
74   void SetCurrentValue(bool value) { m_current_value = value; }
75 
76   void SetDefaultValue(bool value) { m_default_value = value; }
77 
78 protected:
79   bool m_current_value;
80   bool m_default_value;
81 };
82 
83 } // namespace lldb_private
84 
85 #endif // LLDB_INTERPRETER_OPTIONVALUEBOOLEAN_H
86