llvm-project/clang-tools-extra/clang-tidy/utils/HeaderGuard.h

47 lines
1.9 KiB
C++

//===--- HeaderGuard.h - clang-tidy -----------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_UTILS_HEADERGUARD_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_UTILS_HEADERGUARD_H
#include "../ClangTidy.h"
namespace clang {
namespace tidy {
/// Finds and fixes header guards.
class HeaderGuardCheck : public ClangTidyCheck {
public:
HeaderGuardCheck(StringRef Name, ClangTidyContext *Context)
: ClangTidyCheck(Name, Context) {}
void registerPPCallbacks(CompilerInstance &Compiler) override;
/// \brief Returns true if the checker should suggest inserting a trailing
/// comment on the #endif of the header guard. It will use the same name as
/// returned by getHeaderGuard.
virtual bool shouldSuggestEndifComment(StringRef Filename);
/// \brief Returns true if the checker should suggest changing an existing
/// header guard to the string returned by getHeaderGuard.
virtual bool shouldFixHeaderGuard(StringRef Filename);
/// \brief Returns true if the checker should add a header guard to the file
/// if it has none.
virtual bool shouldSuggestToAddHeaderGuard(StringRef Filename);
/// \brief Returns a replacement for endif line with a comment mentioning
/// \p HeaderGuard. The replacement should start with "endif".
virtual std::string formatEndIf(StringRef HeaderGuard);
/// \brief Get the canonical header guard for a file.
virtual std::string getHeaderGuard(StringRef Filename,
StringRef OldGuard = StringRef()) = 0;
};
} // namespace tidy
} // namespace clang
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_UTILS_HEADERGUARD_H