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//===-- RegularExpression.cpp -----------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "lldb/Utility/RegularExpression.h"
#include <string>
using namespace lldb_private;
RegularExpression::RegularExpression(llvm::StringRef str)
: m_regex_text(str),
// m_regex does not reference str anymore after it is constructed.
m_regex(llvm::Regex(str)) {}
RegularExpression::RegularExpression(const RegularExpression &rhs)
: RegularExpression(rhs.GetText()) {}
bool RegularExpression::Execute(
llvm::StringRef str,
llvm::SmallVectorImpl<llvm::StringRef> *matches) const {
if (!IsValid())
return false;
return m_regex.match(str, matches);
}
bool RegularExpression::IsValid() const { return m_regex.isValid(); }
llvm::StringRef RegularExpression::GetText() const { return m_regex_text; }
llvm::Error RegularExpression::GetError() const {
std::string error;
if (!m_regex.isValid(error))
return llvm::make_error<llvm::StringError>(llvm::inconvertibleErrorCode(),
error);
return llvm::Error::success();
}
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