llvm/clang/lib/Tooling/Inclusions/HeaderAnalysis.cpp

//===--- HeaderAnalysis.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 "clang/Tooling/Inclusions/HeaderAnalysis.h"
#include "clang/Basic/SourceLocation.h"
#include "clang/Lex/HeaderSearch.h"

namespace clang::tooling {
namespace {

// Is Line an #if or #ifdef directive?
// FIXME: This makes headers with #ifdef LINUX/WINDOWS/MACOS marked as non
// self-contained and is probably not what we want.
bool isIf(llvm::StringRef Line) { … }

// Is Line an #error directive mentioning includes?
bool isErrorAboutInclude(llvm::StringRef Line) { … }

// Heuristically headers that only want to be included via an umbrella.
bool isDontIncludeMeHeader(StringRef Content) { … }

bool isImportLine(llvm::StringRef Line) { … }

llvm::StringRef getFileContents(FileEntryRef FE, const SourceManager &SM) { … }

} // namespace

bool isSelfContainedHeader(FileEntryRef FE, const SourceManager &SM,
                           const HeaderSearch &HeaderInfo) { … }

bool codeContainsImports(llvm::StringRef Code) { … }

std::optional<StringRef> parseIWYUPragma(const char *Text) { … }

} // namespace clang::tooling