| 1 | //===--- AvoidPragmaOnceCheck.h - clang-tidy --------------------*- C++ -*-===// |
|---|---|
| 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-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PORTABILITY_AVOIDPRAGMAONCECHECK_H |
| 10 | #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PORTABILITY_AVOIDPRAGMAONCECHECK_H |
| 11 | |
| 12 | #include "../ClangTidyCheck.h" |
| 13 | |
| 14 | namespace clang::tidy::portability { |
| 15 | |
| 16 | /// Finds uses of ``#pragma once`` and suggests replacing them with standard |
| 17 | /// include guards (``#ifndef``/``#define``/``#endif``) for improved |
| 18 | /// portability. |
| 19 | /// |
| 20 | /// For the user-facing documentation see: |
| 21 | /// http://clang.llvm.org/extra/clang-tidy/checks/portability/avoid-pragma-once.html |
| 22 | class AvoidPragmaOnceCheck : public ClangTidyCheck { |
| 23 | public: |
| 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::portability |
| 35 | |
| 36 | #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PORTABILITY_AVOIDPRAGMAONCECHECK_H |
| 37 |