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 OptionValueChar::DumpValue(const ExecutionContext *exe_ctx, Stream &strm,
25                                 uint32_t dump_mask) {
26   if (dump_mask & eDumpOptionType)
27     strm.Printf("(%s)", GetTypeAsCString());
28 
29   if (dump_mask & eDumpOptionValue) {
30     if (dump_mask & eDumpOptionType)
31       strm.PutCString(" = ");
32     if (m_current_value != '\0')
33       strm.PutChar(m_current_value);
34     else
35       strm.PutCString("(null)");
36   }
37 }
38 
39 Error OptionValueChar::SetValueFromString(llvm::StringRef value,
40                                           VarSetOperationType op) {
41   Error error;
42   switch (op) {
43   case eVarSetOperationClear:
44     Clear();
45     break;
46 
47   case eVarSetOperationReplace:
48   case eVarSetOperationAssign: {
49     bool success = false;
50     char char_value = Args::StringToChar(value, '\0', &success);
51     if (success) {
52       m_current_value = char_value;
53       m_value_was_set = true;
54     } else
55       error.SetErrorStringWithFormat("'%s' cannot be longer than 1 character",
56                                      value.str().c_str());
57   } break;
58 
59   default:
60     error = OptionValue::SetValueFromString(value, op);
61     break;
62   }
63   return error;
64 }
65 
66 lldb::OptionValueSP OptionValueChar::DeepCopy() const {
67   return OptionValueSP(new OptionValueChar(*this));
68 }
69