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(str, 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)) 39 return llvm::make_error<llvm::StringError>(error, 40 llvm::inconvertibleErrorCode()); 41 return llvm::Error::success(); 42 } 43