llvm/clang-tools-extra/clang-tidy/misc/HeaderIncludeCycleCheck.cpp

//===--- HeaderIncludeCycleCheck.cpp - clang-tidy -------------------------===//
//
// 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 "HeaderIncludeCycleCheck.h"
#include "../utils/OptionsUtils.h"
#include "clang/AST/ASTContext.h"
#include "clang/ASTMatchers/ASTMatchFinder.h"
#include "clang/Lex/PPCallbacks.h"
#include "clang/Lex/Preprocessor.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Support/Regex.h"
#include <algorithm>
#include <deque>
#include <optional>
#include <string>

usingnamespaceclang::ast_matchers;

namespace clang::tidy::misc {

namespace {

struct Include { … };

class CyclicDependencyCallbacks : public PPCallbacks { … };

} // namespace

HeaderIncludeCycleCheck::HeaderIncludeCycleCheck(StringRef Name,
                                                 ClangTidyContext *Context)
    : … { … }

void HeaderIncludeCycleCheck::registerPPCallbacks(
    const SourceManager &SM, Preprocessor *PP, Preprocessor *ModuleExpanderPP) { … }

void HeaderIncludeCycleCheck::storeOptions(ClangTidyOptions::OptionMap &Opts) { … }

} // namespace clang::tidy::misc