| 1 | //===--- TaggedUnionMemberCountCheck.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_BUGPRONE_TAGGEDUNIONMEMBERCOUNTCHECK_H |
| 10 | #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_TAGGEDUNIONMEMBERCOUNTCHECK_H |
| 11 | |
| 12 | #include "../ClangTidyCheck.h" |
| 13 | |
| 14 | namespace clang::tidy::bugprone { |
| 15 | |
| 16 | /// Gives warnings for tagged unions, where the number of tags is |
| 17 | /// different from the number of data members inside the union. |
| 18 | /// |
| 19 | /// For the user-facing documentation see: |
| 20 | /// http://clang.llvm.org/extra/clang-tidy/checks/bugprone/tagged-union-member-count.html |
| 21 | class TaggedUnionMemberCountCheck : public ClangTidyCheck { |
| 22 | public: |
| 23 | TaggedUnionMemberCountCheck(StringRef Name, ClangTidyContext *Context); |
| 24 | void storeOptions(ClangTidyOptions::OptionMap &Opts) override; |
| 25 | void registerMatchers(ast_matchers::MatchFinder *Finder) override; |
| 26 | void check(const ast_matchers::MatchFinder::MatchResult &Result) override; |
| 27 | |
| 28 | private: |
| 29 | const bool StrictMode; |
| 30 | const bool EnableCountingEnumHeuristic; |
| 31 | const std::vector<StringRef> CountingEnumPrefixes; |
| 32 | const std::vector<StringRef> CountingEnumSuffixes; |
| 33 | |
| 34 | std::pair<const std::size_t, const EnumConstantDecl *> |
| 35 | getNumberOfEnumValues(const EnumDecl *ED); |
| 36 | bool isCountingEnumLikeName(StringRef Name) const; |
| 37 | }; |
| 38 | |
| 39 | } // namespace clang::tidy::bugprone |
| 40 | |
| 41 | #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_TAGGEDUNIONMEMBERCOUNTCHECK_H |
| 42 |