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//===--- IncludeCleanerCheck.h - 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
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_INCLUDECLEANER_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_INCLUDECLEANER_H
#include "../ClangTidyCheck.h"
#include "../ClangTidyDiagnosticConsumer.h"
#include "../ClangTidyOptions.h"
#include "clang-include-cleaner/Record.h"
#include "clang-include-cleaner/Types.h"
#include "clang/ASTMatchers/ASTMatchFinder.h"
#include "clang/Basic/LLVM.h"
#include "clang/Basic/SourceLocation.h"
#include "clang/Lex/HeaderSearch.h"
#include "clang/Lex/Preprocessor.h"
#include "llvm/Support/Regex.h"
#include <vector>
namespace clang::tidy::misc {
/// Checks for unused and missing includes. Generates findings only for
/// the main file of a translation unit.
/// Findings correspond to https://clangd.llvm.org/design/include-cleaner.
///
/// For the user-facing documentation see:
/// http://clang.llvm.org/extra/clang-tidy/checks/misc/include-cleaner.html
class IncludeCleanerCheck : public ClangTidyCheck {
public:
IncludeCleanerCheck(StringRef Name, ClangTidyContext *Context);
void registerMatchers(ast_matchers::MatchFinder *Finder) override;
void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
void registerPPCallbacks(const SourceManager &SM, Preprocessor *PP,
Preprocessor *ModuleExpanderPP) override;
void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
bool isLanguageVersionSupported(const LangOptions &LangOpts) const override;
private:
include_cleaner::RecordedPP RecordedPreprocessor;
include_cleaner::PragmaIncludes RecordedPI;
const Preprocessor *PP = nullptr;
std::vector<StringRef> IgnoreHeaders;
// Whether emit only one finding per usage of a symbol.
const bool DeduplicateFindings;
// Whether to report unused includes.
const bool UnusedIncludes;
// Whether to report missing includes.
const bool MissingIncludes;
llvm::SmallVector<llvm::Regex> IgnoreHeadersRegex;
bool shouldIgnore(const include_cleaner::Header &H);
};
} // namespace clang::tidy::misc
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_INCLUDECLEANER_H
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