llvm-project/clang-tools-extra/clang-include-fixer/find-all-symbols/PathConfig.cpp

43 lines
1.3 KiB
C++

//===-- PathConfig.cpp - Process paths of 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 "PathConfig.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Support/Path.h"
namespace clang {
namespace find_all_symbols {
std::string getIncludePath(const SourceManager &SM, SourceLocation Loc,
const HeaderMapCollector *Collector) {
llvm::StringRef FilePath;
// Walk up the include stack to skip .inc files.
while (true) {
if (!Loc.isValid() || SM.isInMainFile(Loc))
return "";
FilePath = SM.getFilename(Loc);
if (FilePath.empty())
return "";
if (!FilePath.endswith(".inc"))
break;
FileID ID = SM.getFileID(Loc);
Loc = SM.getIncludeLoc(ID);
}
if (Collector)
FilePath = Collector->getMappedHeader(FilePath);
SmallString<256> CleanedFilePath = FilePath;
llvm::sys::path::remove_dots(CleanedFilePath, /*remove_dot_dot=*/false);
return std::string(CleanedFilePath.str());
}
} // namespace find_all_symbols
} // namespace clang