1//===-- OptionValueRegex.cpp ------------------------------------*- C++ -*-===//
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
13using namespace lldb;
14using namespace lldb_private;
15
16void 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
30Status 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
63lldb::OptionValueSP OptionValueRegex::DeepCopy() const {
64  return OptionValueSP(new OptionValueRegex(m_regex.GetText().str().c_str()));
65}
66