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| //===--- HeaderFileExtensionsUtils.cpp - clang-tidy--------------*- 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 "HeaderFileExtensionsUtils.h"
#include "clang/Basic/CharInfo.h"
#include "llvm/Support/Path.h"
namespace clang {
namespace tidy {
namespace utils {
bool isExpansionLocInHeaderFile(
SourceLocation Loc, const SourceManager &SM,
const HeaderFileExtensionsSet &HeaderFileExtensions) {
SourceLocation ExpansionLoc = SM.getExpansionLoc(Loc);
return isHeaderFileExtension(SM.getFilename(ExpansionLoc),
HeaderFileExtensions);
}
bool isPresumedLocInHeaderFile(
SourceLocation Loc, SourceManager &SM,
const HeaderFileExtensionsSet &HeaderFileExtensions) {
PresumedLoc PresumedLocation = SM.getPresumedLoc(Loc);
return isHeaderFileExtension(PresumedLocation.getFilename(),
HeaderFileExtensions);
}
bool isSpellingLocInHeaderFile(
SourceLocation Loc, SourceManager &SM,
const HeaderFileExtensionsSet &HeaderFileExtensions) {
SourceLocation SpellingLoc = SM.getSpellingLoc(Loc);
return isHeaderFileExtension(SM.getFilename(SpellingLoc),
HeaderFileExtensions);
}
bool parseHeaderFileExtensions(StringRef AllHeaderFileExtensions,
HeaderFileExtensionsSet &HeaderFileExtensions,
char delimiter) {
SmallVector<StringRef, 5> Suffixes;
AllHeaderFileExtensions.split(Suffixes, delimiter);
HeaderFileExtensions.clear();
for (StringRef Suffix : Suffixes) {
StringRef Extension = Suffix.trim();
for (StringRef::const_iterator it = Extension.begin();
it != Extension.end(); ++it) {
if (!isAlphanumeric(*it))
return false;
}
HeaderFileExtensions.insert(Extension);
}
return true;
}
bool isHeaderFileExtension(
StringRef FileName, const HeaderFileExtensionsSet &HeaderFileExtensions) {
StringRef extension = llvm::sys::path::extension(FileName);
if (extension.empty())
return false;
// Skip "." prefix.
return HeaderFileExtensions.count(extension.substr(1)) > 0;
}
} // namespace utils
} // namespace tidy
} // namespace clang
|