1 //===-- OptionValueUInt64.h --------------------------------------*- C++
2 //-*-===//
3 //
4 //                     The LLVM Compiler Infrastructure
5 //
6 // This file is distributed under the University of Illinois Open Source
7 // License. See LICENSE.TXT for details.
8 //
9 //===----------------------------------------------------------------------===//
10 
11 #ifndef liblldb_OptionValueUInt64_h_
12 #define liblldb_OptionValueUInt64_h_
13 
14 #include "lldb/Interpreter/OptionValue.h"
15 
16 namespace lldb_private {
17 
18 class OptionValueUInt64 : public OptionValue {
19 public:
OptionValueUInt64()20   OptionValueUInt64() : OptionValue(), m_current_value(0), m_default_value(0) {}
21 
OptionValueUInt64(uint64_t value)22   OptionValueUInt64(uint64_t value)
23       : OptionValue(), m_current_value(value), m_default_value(value) {}
24 
OptionValueUInt64(uint64_t current_value,uint64_t default_value)25   OptionValueUInt64(uint64_t current_value, uint64_t default_value)
26       : OptionValue(), m_current_value(current_value),
27         m_default_value(default_value) {}
28 
~OptionValueUInt64()29   ~OptionValueUInt64() override {}
30 
31   //---------------------------------------------------------------------
32   // Decode a uint64_t from "value_cstr" return a OptionValueUInt64 object
33   // inside of a lldb::OptionValueSP object if all goes well. If the string
34   // isn't a uint64_t value or any other error occurs, return an empty
35   // lldb::OptionValueSP and fill error in with the correct stuff.
36   //---------------------------------------------------------------------
37   static lldb::OptionValueSP Create(const char *, Status &) = delete;
38   static lldb::OptionValueSP Create(llvm::StringRef value_str, Status &error);
39   //---------------------------------------------------------------------
40   // Virtual subclass pure virtual overrides
41   //---------------------------------------------------------------------
42 
GetType()43   OptionValue::Type GetType() const override { return eTypeUInt64; }
44 
45   void DumpValue(const ExecutionContext *exe_ctx, Stream &strm,
46                  uint32_t dump_mask) override;
47 
48   Status
49   SetValueFromString(llvm::StringRef value,
50                      VarSetOperationType op = eVarSetOperationAssign) override;
51   Status
52   SetValueFromString(const char *,
53                      VarSetOperationType = eVarSetOperationAssign) = delete;
54 
Clear()55   bool Clear() override {
56     m_current_value = m_default_value;
57     m_value_was_set = false;
58     return true;
59   }
60 
61   lldb::OptionValueSP DeepCopy() const override;
62 
63   //---------------------------------------------------------------------
64   // Subclass specific functions
65   //---------------------------------------------------------------------
66 
67   const uint64_t &operator=(uint64_t value) {
68     m_current_value = value;
69     return m_current_value;
70   }
71 
uint64_t()72   operator uint64_t() const { return m_current_value; }
73 
GetCurrentValue()74   uint64_t GetCurrentValue() const { return m_current_value; }
75 
GetDefaultValue()76   uint64_t GetDefaultValue() const { return m_default_value; }
77 
SetCurrentValue(uint64_t value)78   void SetCurrentValue(uint64_t value) { m_current_value = value; }
79 
SetDefaultValue(uint64_t value)80   void SetDefaultValue(uint64_t value) { m_default_value = value; }
81 
82 protected:
83   uint64_t m_current_value;
84   uint64_t m_default_value;
85 };
86 
87 } // namespace lldb_private
88 
89 #endif // liblldb_OptionValueUInt64_h_
90