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

   1 //===--- DanglingHandleCheck.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_DANGLING_HANDLE_H
  10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_DANGLING_HANDLE_H
  11
  12 #include "../ClangTidyCheck.h"
  13
  14 namespace clang::tidy::bugprone {
  15
  16 /// Detect dangling references in value handlers like
  17 /// std::experimental::string_view.
  18 ///
  19 /// For the user-facing documentation see:
  20 /// http://clang.llvm.org/extra/clang-tidy/checks/bugprone/dangling-handle.html
  21 class DanglingHandleCheck : public ClangTidyCheck {
  22 public:
  23   DanglingHandleCheck(StringRef Name, ClangTidyContext *Context);
  24   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
  25   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
  26   void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
  27
  28 private:
  29   void registerMatchersForVariables(ast_matchers::MatchFinder *Finder);
  30   void registerMatchersForReturn(ast_matchers::MatchFinder *Finder);
  31
  32   const std::vector<StringRef> HandleClasses;
  33   const ast_matchers::internal::Matcher<RecordDecl> IsAHandle;
  34 };
  35
  36 } // namespace clang::tidy::bugprone
  37
  38 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_DANGLING_HANDLE_H