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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_MISC_DEFINITIONSINHEADERSCHECK_H10#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_DEFINITIONSINHEADERSCHECK_H11 12#include "../ClangTidyCheck.h"13#include "../utils/FileExtensionsUtils.h"14 15namespace clang::tidy::misc {16 17/// Finds non-extern non-inline function and variable definitions in header18/// files, which can lead to potential ODR violations.19///20/// The check supports these options:21/// - `UseHeaderFileExtension`: Whether to use file extension to distinguish22/// header files. True by default.23///24/// For the user-facing documentation see:25/// https://clang.llvm.org/extra/clang-tidy/checks/misc/definitions-in-headers.html26class DefinitionsInHeadersCheck : public ClangTidyCheck {27public:28 DefinitionsInHeadersCheck(StringRef Name, ClangTidyContext *Context);29 bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {30 return LangOpts.CPlusPlus11;31 }32 void registerMatchers(ast_matchers::MatchFinder *Finder) override;33 void check(const ast_matchers::MatchFinder::MatchResult &Result) override;34 35private:36 FileExtensionsSet HeaderFileExtensions;37};38 39} // namespace clang::tidy::misc40 41#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_DEFINITIONSINHEADERSCHECK_H42