| 1 | //===-- RegularExpression.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/Utility/RegularExpression.h" |
| 10 | |
| 11 | #include <string> |
| 12 | |
| 13 | using namespace lldb_private; |
| 14 | |
| 15 | RegularExpression::RegularExpression(llvm::StringRef str, |
| 16 | llvm::Regex::RegexFlags flags) |
| 17 | : m_regex_text(std::string(str)), |
| 18 | // m_regex does not reference str anymore after it is constructed. |
| 19 | m_regex(llvm::Regex(str, flags)) {} |
| 20 | |
| 21 | RegularExpression::RegularExpression(const RegularExpression &rhs) |
| 22 | : RegularExpression(rhs.GetText()) {} |
| 23 | |
| 24 | bool RegularExpression::Execute( |
| 25 | llvm::StringRef str, |
| 26 | llvm::SmallVectorImpl<llvm::StringRef> *matches) const { |
| 27 | if (!IsValid()) |
| 28 | return false; |
| 29 | return m_regex.match(String: str, Matches: matches); |
| 30 | } |
| 31 | |
| 32 | bool RegularExpression::IsValid() const { return m_regex.isValid(); } |
| 33 | |
| 34 | llvm::StringRef RegularExpression::GetText() const { return m_regex_text; } |
| 35 | |
| 36 | llvm::Error RegularExpression::GetError() const { |
| 37 | std::string error; |
| 38 | if (!m_regex.isValid(Error&: error)) |
| 39 | return llvm::make_error<llvm::StringError>(Args&: error, |
| 40 | Args: llvm::inconvertibleErrorCode()); |
| 41 | return llvm::Error::success(); |
| 42 | } |
| 43 |