1 //===-- OptionValueRegex.cpp ----------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "lldb/Interpreter/OptionValueRegex.h"
10 
11 #include "lldb/Utility/Stream.h"
12 
13 using namespace lldb;
14 using namespace lldb_private;
15 
16 void OptionValueRegex::DumpValue(const ExecutionContext *exe_ctx, Stream &strm,
17                                  uint32_t dump_mask) {
18   if (dump_mask & eDumpOptionType)
19     strm.Printf("(%s)", GetTypeAsCString());
20   if (dump_mask & eDumpOptionValue) {
21     if (dump_mask & eDumpOptionType)
22       strm.PutCString(" = ");
23     if (m_regex.IsValid()) {
24       llvm::StringRef regex_text = m_regex.GetText();
25       strm.Printf("%s", regex_text.str().c_str());
26     }
27   }
28 }
29 
30 Status OptionValueRegex::SetValueFromString(llvm::StringRef value,
31                                             VarSetOperationType op) {
32   Status error;
33   switch (op) {
34   case eVarSetOperationInvalid:
35   case eVarSetOperationInsertBefore:
36   case eVarSetOperationInsertAfter:
37   case eVarSetOperationRemove:
38   case eVarSetOperationAppend:
39     error = OptionValue::SetValueFromString(value, op);
40     break;
41 
42   case eVarSetOperationClear:
43     Clear();
44     NotifyValueChanged();
45     break;
46 
47   case eVarSetOperationReplace:
48   case eVarSetOperationAssign:
49     m_regex = RegularExpression(value);
50     if (m_regex.IsValid()) {
51       m_value_was_set = true;
52       NotifyValueChanged();
53     } else if (llvm::Error err = m_regex.GetError()) {
54       error.SetErrorString(llvm::toString(std::move(err)));
55     } else {
56       error.SetErrorString("regex error");
57     }
58     break;
59   }
60   return error;
61 }
62 
63 lldb::OptionValueSP OptionValueRegex::DeepCopy() const {
64   return OptionValueSP(new OptionValueRegex(m_regex.GetText().str().c_str()));
65 }
66