clang-tidy/bugprone/SwitchMissingDefaultCaseCheck.h

0001 //===--- SwitchMissingDefaultCaseCheck.h - clang-tidy -----------*- C++ -*-===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008
0009 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_SWITCHMISSINGDEFAULTCASECHECK_H
0010 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_SWITCHMISSINGDEFAULTCASECHECK_H
0011
0012 #include "../ClangTidyCheck.h"
0013 #include "clang/ASTMatchers/ASTMatchFinder.h"
0014 #include "clang/ASTMatchers/ASTMatchers.h"
0015
0016 namespace clang::tidy::bugprone {
0017
0018 /// Ensures that switch statements without default cases are flagged, focuses
0019 /// only on covering cases with non-enums where the compiler may not issue
0020 /// warnings.
0021 ///
0022 /// For the user-facing documentation see:
0023 /// http://clang.llvm.org/extra/clang-tidy/checks/bugprone/switch-missing-default-case.html
0024 class SwitchMissingDefaultCaseCheck : public ClangTidyCheck {
0025 public:
0026   SwitchMissingDefaultCaseCheck(StringRef Name, ClangTidyContext *Context)
0027       : ClangTidyCheck(Name, Context) {}
0028
0029   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
0030   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
0031   std::optional<TraversalKind> getCheckTraversalKind() const override {
0032     return TK_IgnoreUnlessSpelledInSource;
0033   }
0034 };
0035
0036 } // namespace clang::tidy::bugprone
0037
0038 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_SWITCHMISSINGDEFAULTCASECHECK_H