HeaderMapCollector.cpp
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//===-- HeaderMapCoolector.h - find all symbols------------------*- 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 "HeaderMapCollector.h"
#include "llvm/Support/Regex.h"
namespace clang {
namespace find_all_symbols {
HeaderMapCollector::HeaderMapCollector(
const RegexHeaderMap *RegexHeaderMappingTable) {
assert(RegexHeaderMappingTable);
this->RegexHeaderMappingTable.reserve(RegexHeaderMappingTable->size());
for (const auto &Entry : *RegexHeaderMappingTable) {
this->RegexHeaderMappingTable.emplace_back(llvm::Regex(Entry.first),
Entry.second);
}
}
llvm::StringRef
HeaderMapCollector::getMappedHeader(llvm::StringRef Header) const {
auto Iter = HeaderMappingTable.find(Header);
if (Iter != HeaderMappingTable.end())
return Iter->second;
// If there is no complete header name mapping for this header, check the
// regex header mapping.
for (auto &Entry : RegexHeaderMappingTable) {
#ifndef NDEBUG
std::string Dummy;
assert(Entry.first.isValid(Dummy) && "Regex should never be invalid!");
#endif
if (Entry.first.match(Header))
return Entry.second;
}
return Header;
}
} // namespace find_all_symbols
} // namespace clang