EnumSizeCheck.h

//===--- EnumSizeCheck.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_PERFORMANCE_ENUMSIZECHECK_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_ENUMSIZECHECK_H

#include "../ClangTidyCheck.h"
#include <vector>

namespace clang::tidy::performance {

/// Finds `enum` type definitions that could use smaller integral type as a
/// base.
///
/// For the user-facing documentation see:
/// http://clang.llvm.org/extra/clang-tidy/checks/performance/enum-size.html
class EnumSizeCheck : public ClangTidyCheck {
public:
  EnumSizeCheck(StringRef Name, ClangTidyContext *Context);
  void registerMatchers(ast_matchers::MatchFinder *Finder) override;
  void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
  void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
  bool isLanguageVersionSupported(const LangOptions &LangOpts) const override;

private:
  const std::vector<StringRef> EnumIgnoreList;
};

} // namespace clang::tidy::performance

#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_ENUMSIZECHECK_H