| //===--- MultiwayPathsCoveredCheck.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_HICPP_MULTIWAY_PATHS_COVERED_H |
| #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_HICPP_MULTIWAY_PATHS_COVERED_H |
| |
| #include "../ClangTidyCheck.h" |
| |
| namespace clang { |
| namespace tidy { |
| namespace hicpp { |
| |
| /// Find occasions where not all codepaths are explicitly covered in code. |
| /// This includes 'switch' without a 'default'-branch and 'if'-'else if'-chains |
| /// without a final 'else'-branch. |
| /// |
| /// For the user-facing documentation see: |
| /// http://clang.llvm.org/extra/clang-tidy/checks/hicpp-multiway-paths-covered.html |
| class MultiwayPathsCoveredCheck : public ClangTidyCheck { |
| public: |
| MultiwayPathsCoveredCheck(StringRef Name, ClangTidyContext *Context) |
| : ClangTidyCheck(Name, Context), |
| WarnOnMissingElse(Options.get("WarnOnMissingElse", false)) {} |
| void storeOptions(ClangTidyOptions::OptionMap &Opts) override; |
| void registerMatchers(ast_matchers::MatchFinder *Finder) override; |
| void check(const ast_matchers::MatchFinder::MatchResult &Result) override; |
| |
| private: |
| void handleSwitchWithDefault(const SwitchStmt *Switch, std::size_t CaseCount); |
| void handleSwitchWithoutDefault( |
| const SwitchStmt *Switch, std::size_t CaseCount, |
| const ast_matchers::MatchFinder::MatchResult &Result); |
| /// This option can be configured to warn on missing 'else' branches in an |
| /// 'if-else if' chain. The default is false because this option might be |
| /// noisy on some code bases. |
| const bool WarnOnMissingElse; |
| }; |
| |
| } // namespace hicpp |
| } // namespace tidy |
| } // namespace clang |
| |
| #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_HICPP_MULTIWAY_PATHS_COVERED_H |