1 //===-- OptionValueRegex.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/OptionValueRegex.h"
11 
12 // C Includes
13 // C++ Includes
14 // Other libraries and framework includes
15 // Project includes
16 #include "lldb/Core/Stream.h"
17 
18 using namespace lldb;
19 using namespace lldb_private;
20 
21 void OptionValueRegex::DumpValue(const ExecutionContext *exe_ctx, Stream &strm,
22                                  uint32_t dump_mask) {
23   if (dump_mask & eDumpOptionType)
24     strm.Printf("(%s)", GetTypeAsCString());
25   if (dump_mask & eDumpOptionValue) {
26     if (dump_mask & eDumpOptionType)
27       strm.PutCString(" = ");
28     if (m_regex.IsValid()) {
29       llvm::StringRef regex_text = m_regex.GetText();
30       strm.Printf("%s", regex_text.str().c_str());
31     }
32   }
33 }
34 
35 Error OptionValueRegex::SetValueFromString(llvm::StringRef value,
36                                            VarSetOperationType op) {
37   Error error;
38   switch (op) {
39   case eVarSetOperationInvalid:
40   case eVarSetOperationInsertBefore:
41   case eVarSetOperationInsertAfter:
42   case eVarSetOperationRemove:
43   case eVarSetOperationAppend:
44     error = OptionValue::SetValueFromString(value, op);
45     break;
46 
47   case eVarSetOperationClear:
48     Clear();
49     NotifyValueChanged();
50     break;
51 
52   case eVarSetOperationReplace:
53   case eVarSetOperationAssign:
54     if (m_regex.Compile(value)) {
55       m_value_was_set = true;
56       NotifyValueChanged();
57     } else {
58       char regex_error[1024];
59       if (m_regex.GetErrorAsCString(regex_error, sizeof(regex_error)))
60         error.SetErrorString(regex_error);
61       else
62         error.SetErrorStringWithFormat("regex error %u",
63                                        m_regex.GetErrorCode());
64     }
65     break;
66   }
67   return error;
68 }
69 
70 lldb::OptionValueSP OptionValueRegex::DeepCopy() const {
71   return OptionValueSP(new OptionValueRegex(m_regex.GetText().str().c_str()));
72 }
73