1156b1279SFrank Derry Wanye //===--- StructPackAlignCheck.h - clang-tidy --------------------*- C++ -*-===// 2156b1279SFrank Derry Wanye // 3156b1279SFrank Derry Wanye // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4156b1279SFrank Derry Wanye // See https://llvm.org/LICENSE.txt for license information. 5156b1279SFrank Derry Wanye // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6156b1279SFrank Derry Wanye // 7156b1279SFrank Derry Wanye //===----------------------------------------------------------------------===// 8156b1279SFrank Derry Wanye 9156b1279SFrank Derry Wanye #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ALTERA_STRUCTPACKALIGNCHECK_H 10156b1279SFrank Derry Wanye #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ALTERA_STRUCTPACKALIGNCHECK_H 11156b1279SFrank Derry Wanye 12156b1279SFrank Derry Wanye #include "../ClangTidyCheck.h" 13156b1279SFrank Derry Wanye 144718da50SCarlos Galvez namespace clang::tidy::altera { 15156b1279SFrank Derry Wanye 16156b1279SFrank Derry Wanye /// Finds structs that are inefficiently packed or aligned, and recommends 17156b1279SFrank Derry Wanye /// packing and/or aligning of said structs as needed. 18156b1279SFrank Derry Wanye /// 19156b1279SFrank Derry Wanye /// For the user-facing documentation see: 206e566bc5SRichard /// http://clang.llvm.org/extra/clang-tidy/checks/altera/struct-pack-align.html 21156b1279SFrank Derry Wanye class StructPackAlignCheck : public ClangTidyCheck { 22156b1279SFrank Derry Wanye public: StructPackAlignCheck(StringRef Name,ClangTidyContext * Context)23156b1279SFrank Derry Wanye StructPackAlignCheck(StringRef Name, ClangTidyContext *Context) 24156b1279SFrank Derry Wanye : ClangTidyCheck(Name, Context), 25156b1279SFrank Derry Wanye MaxConfiguredAlignment(Options.get("MaxConfiguredAlignment", 128)) {} 26156b1279SFrank Derry Wanye void registerMatchers(ast_matchers::MatchFinder *Finder) override; 27156b1279SFrank Derry Wanye void check(const ast_matchers::MatchFinder::MatchResult &Result) override; 289933188cSNico Weber void storeOptions(ClangTidyOptions::OptionMap &Opts) override; 29156b1279SFrank Derry Wanye 30156b1279SFrank Derry Wanye private: 31156b1279SFrank Derry Wanye const unsigned MaxConfiguredAlignment; 32*24a7587bSPiotr Zegar CharUnits computeRecommendedAlignment(CharUnits MinByteSize) const; 33156b1279SFrank Derry Wanye }; 34156b1279SFrank Derry Wanye 354718da50SCarlos Galvez } // namespace clang::tidy::altera 36156b1279SFrank Derry Wanye 37156b1279SFrank Derry Wanye #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ALTERA_STRUCTPACKALIGNCHECK_H 38