1 //===-- OptionValueChar.cpp -------------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "lldb/Interpreter/OptionValueChar.h"
11 
12 // C Includes
13 // C++ Includes
14 // Other libraries and framework includes
15 // Project includes
16 #include "lldb/Core/Stream.h"
17 #include "lldb/Core/StringList.h"
18 #include "lldb/Interpreter/Args.h"
19 #include "llvm/ADT/STLExtras.h"
20 
21 using namespace lldb;
22 using namespace lldb_private;
23 
24 void
25 OptionValueChar::DumpValue (const ExecutionContext *exe_ctx, Stream &strm, uint32_t dump_mask)
26 {
27     if (dump_mask & eDumpOptionType)
28         strm.Printf ("(%s)", GetTypeAsCString ());
29 
30     if (dump_mask & eDumpOptionValue)
31     {
32         if (dump_mask & eDumpOptionType)
33             strm.PutCString (" = ");
34         if (m_current_value != '\0')
35             strm.PutChar(m_current_value);
36         else
37             strm.PutCString("(null)");
38     }
39 }
40 
41 Error
42 OptionValueChar::SetValueFromString (llvm::StringRef value,
43                                       VarSetOperationType op)
44 {
45     Error error;
46     switch (op)
47     {
48     case eVarSetOperationClear:
49         Clear();
50         break;
51 
52     case eVarSetOperationReplace:
53     case eVarSetOperationAssign:
54         {
55             bool success = false;
56             char char_value = Args::StringToChar(value.str().c_str(), '\0', &success);
57             if (success)
58             {
59                 m_current_value = char_value;
60                 m_value_was_set = true;
61             }
62             else
63                 error.SetErrorStringWithFormat("'%s' cannot be longer than 1 character", value.str().c_str());
64         }
65         break;
66 
67     default:
68         error = OptionValue::SetValueFromString (value.str().c_str(), op);
69         break;
70     }
71     return error;
72 }
73 
74 lldb::OptionValueSP
75 OptionValueChar::DeepCopy () const
76 {
77     return OptionValueSP(new OptionValueChar(*this));
78 }
79 
80 
81