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