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
22 OptionValueRegex::DumpValue (const ExecutionContext *exe_ctx, Stream &strm, uint32_t dump_mask)
23 {
24     if (dump_mask & eDumpOptionType)
25         strm.Printf ("(%s)", GetTypeAsCString ());
26     if (dump_mask & eDumpOptionValue)
27     {
28         if (dump_mask & eDumpOptionType)
29             strm.PutCString (" = ");
30         if (m_regex.IsValid())
31         {
32             const char *regex_text = m_regex.GetText();
33             if (regex_text && regex_text[0])
34                 strm.Printf ("%s", regex_text);
35         }
36         else
37         {
38 
39         }
40     }
41 }
42 
43 Error
44 OptionValueRegex::SetValueFromString (llvm::StringRef value,
45                                         VarSetOperationType op)
46 {
47     Error error;
48     switch (op)
49     {
50     case eVarSetOperationInvalid:
51     case eVarSetOperationInsertBefore:
52     case eVarSetOperationInsertAfter:
53     case eVarSetOperationRemove:
54     case eVarSetOperationAppend:
55         error = OptionValue::SetValueFromString (value, op);
56         break;
57 
58     case eVarSetOperationClear:
59         Clear();
60         NotifyValueChanged();
61         break;
62 
63     case eVarSetOperationReplace:
64     case eVarSetOperationAssign:
65         if (m_regex.Compile (value.str().c_str()))
66         {
67             m_value_was_set = true;
68             NotifyValueChanged();
69         }
70         else
71         {
72             char regex_error[1024];
73             if (m_regex.GetErrorAsCString(regex_error, sizeof(regex_error)))
74                 error.SetErrorString (regex_error);
75             else
76                 error.SetErrorStringWithFormat ("regex error %u", m_regex.GetErrorCode());
77         }
78         break;
79     }
80     return error;
81 }
82 
83 
84 lldb::OptionValueSP
85 OptionValueRegex::DeepCopy () const
86 {
87     return OptionValueSP(new OptionValueRegex(m_regex.GetText()));
88 }
89