OptionValueChar.cpp revision 321369 
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/Interpreter/Args.h"
17#include "lldb/Utility/Stream.h"
18#include "lldb/Utility/StringList.h"
19#include "llvm/ADT/STLExtras.h"
20
21using namespace lldb;
22using namespace lldb_private;
23
24void 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
39Status OptionValueChar::SetValueFromString(llvm::StringRef value,
40                                           VarSetOperationType op) {
41  Status 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
66lldb::OptionValueSP OptionValueChar::DeepCopy() const {
67  return OptionValueSP(new OptionValueChar(*this));
68}
69