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1//===----------------------------------------------------------------------===//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-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_HICPP_MULTIWAYPATHSCOVEREDCHECK_H10#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_HICPP_MULTIWAYPATHSCOVEREDCHECK_H11 12#include "../ClangTidyCheck.h"13 14namespace clang::tidy::hicpp {15 16/// Find occasions where not all codepaths are explicitly covered in code.17/// This includes 'switch' without a 'default'-branch and 'if'-'else if'-chains18/// without a final 'else'-branch.19///20/// For the user-facing documentation see:21/// https://clang.llvm.org/extra/clang-tidy/checks/hicpp/multiway-paths-covered.html22class MultiwayPathsCoveredCheck : public ClangTidyCheck {23public:24 MultiwayPathsCoveredCheck(StringRef Name, ClangTidyContext *Context)25 : ClangTidyCheck(Name, Context),26 WarnOnMissingElse(Options.get("WarnOnMissingElse", false)) {}27 void storeOptions(ClangTidyOptions::OptionMap &Opts) override;28 void registerMatchers(ast_matchers::MatchFinder *Finder) override;29 void check(const ast_matchers::MatchFinder::MatchResult &Result) override;30 31private:32 void handleSwitchWithDefault(const SwitchStmt *Switch, std::size_t CaseCount);33 void handleSwitchWithoutDefault(34 const SwitchStmt *Switch, std::size_t CaseCount,35 const ast_matchers::MatchFinder::MatchResult &Result);36 /// This option can be configured to warn on missing 'else' branches in an37 /// 'if-else if' chain. The default is false because this option might be38 /// noisy on some code bases.39 const bool WarnOnMissingElse;40};41 42} // namespace clang::tidy::hicpp43 44#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_HICPP_MULTIWAYPATHSCOVEREDCHECK_H45