1 //===-- RegularExpression.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/Utility/RegularExpression.h"
10 
11 #include <string>
12 
13 using namespace lldb_private;
14 
15 RegularExpression::RegularExpression(llvm::StringRef str) { Compile(str); }
16 
17 RegularExpression::RegularExpression(const RegularExpression &rhs)
18     : RegularExpression() {
19   Compile(rhs.GetText());
20 }
21 
22 bool RegularExpression::Compile(llvm::StringRef str) {
23   m_regex_text = str;
24   m_regex = llvm::Regex(str);
25   return IsValid();
26 }
27 
28 bool RegularExpression::Execute(
29     llvm::StringRef str,
30     llvm::SmallVectorImpl<llvm::StringRef> *matches) const {
31   return m_regex.match(str, matches);
32 }
33 
34 bool RegularExpression::IsValid() const {
35   std::string discarded;
36   return m_regex.isValid(discarded);
37 }
38 
39 llvm::StringRef RegularExpression::GetText() const { return m_regex_text; }
40 
41 llvm::Error RegularExpression::GetError() const {
42   std::string error;
43   if (!m_regex.isValid(error))
44     return llvm::make_error<llvm::StringError>(llvm::inconvertibleErrorCode(),
45                                                error);
46   return llvm::Error::success();
47 }
48