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1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PORTABILITY_AVOIDPRAGMAONCECHECK_H10#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PORTABILITY_AVOIDPRAGMAONCECHECK_H11 12#include "../ClangTidyCheck.h"13 14namespace clang::tidy::portability {15 16/// Finds uses of ``#pragma once`` and suggests replacing them with standard17/// include guards (``#ifndef``/``#define``/``#endif``) for improved18/// portability.19///20/// For the user-facing documentation see:21/// https://clang.llvm.org/extra/clang-tidy/checks/portability/avoid-pragma-once.html22class AvoidPragmaOnceCheck : public ClangTidyCheck {23public:24 AvoidPragmaOnceCheck(StringRef Name, ClangTidyContext *Context)25 : ClangTidyCheck(Name, Context) {}26 bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {27 return LangOpts.CPlusPlus || LangOpts.C99;28 }29 30 void registerPPCallbacks(const SourceManager &SM, Preprocessor *PP,31 Preprocessor *ModuleExpanderPP) override;32};33 34} // namespace clang::tidy::portability35 36#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PORTABILITY_AVOIDPRAGMAONCECHECK_H37