clang-tools-extra/clang-tidy/bugprone/SwitchMissingDefaultCaseCheck.h

   1 //===--- SwitchMissingDefaultCaseCheck.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_SWITCHMISSINGDEFAULTCASECHECK_H
  10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_SWITCHMISSINGDEFAULTCASECHECK_H
  11
  12 #include "../ClangTidyCheck.h"
  13 #include "clang/ASTMatchers/ASTMatchFinder.h"
  14 #include "clang/ASTMatchers/ASTMatchers.h"
  15
  16 namespace clang::tidy::bugprone {
  17
  18 /// Ensures that switch statements without default cases are flagged, focuses
  19 /// only on covering cases with non-enums where the compiler may not issue
  20 /// warnings.
  21 ///
  22 /// For the user-facing documentation see:
  23 /// http://clang.llvm.org/extra/clang-tidy/checks/bugprone/switch-missing-default-case.html
  24 class SwitchMissingDefaultCaseCheck : public ClangTidyCheck {
  25 public:
  26   SwitchMissingDefaultCaseCheck(StringRef Name, ClangTidyContext *Context)
  27       : ClangTidyCheck(Name, Context) {}
  28
  29   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
  30   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
  31   std::optional<TraversalKind> getCheckTraversalKind() const override {
  32     return TK_IgnoreUnlessSpelledInSource;
  33   }
  34 };
  35
  36 } // namespace clang::tidy::bugprone
  37
  38 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_SWITCHMISSINGDEFAULTCASECHECK_H