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//===--- DefinitionsInHeadersCheck.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_DEFINITIONS_IN_HEADERS_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_DEFINITIONS_IN_HEADERS_H
#include "../ClangTidyCheck.h"
#include "../utils/FileExtensionsUtils.h"
namespace clang {
namespace tidy {
namespace misc {
/// Finds non-extern non-inline function and variable definitions in header
/// files, which can lead to potential ODR violations.
///
/// The check supports these options:
/// - `UseHeaderFileExtension`: Whether to use file extension to distinguish
/// header files. True by default.
/// - `HeaderFileExtensions`: a semicolon-separated list of filename
/// extensions of header files (The filename extension should not contain
/// "." prefix). ";h;hh;hpp;hxx" by default.
///
/// For extension-less header files, using an empty string or leaving an
/// empty string between ";" if there are other filename extensions.
///
/// For the user-facing documentation see:
/// http://clang.llvm.org/extra/clang-tidy/checks/misc-definitions-in-headers.html
class DefinitionsInHeadersCheck : public ClangTidyCheck {
public:
DefinitionsInHeadersCheck(StringRef Name, ClangTidyContext *Context);
bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
return LangOpts.CPlusPlus11;
}
void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
void registerMatchers(ast_matchers::MatchFinder *Finder) override;
void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
private:
const bool UseHeaderFileExtension;
const std::string RawStringHeaderFileExtensions;
utils::FileExtensionsSet HeaderFileExtensions;
};
} // namespace misc
} // namespace tidy
} // namespace clang
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_DEFINITIONS_IN_HEADERS_H
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