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

   1 //===--- ExceptionEscapeCheck.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_EXCEPTION_ESCAPE_H
  10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_EXCEPTION_ESCAPE_H
  11
  12 #include "../ClangTidyCheck.h"
  13 #include "../utils/ExceptionAnalyzer.h"
  14 #include "llvm/ADT/StringSet.h"
  15
  16 namespace clang {
  17 namespace tidy {
  18 namespace bugprone {
  19
  20 /// Finds functions which should not throw exceptions: Destructors, move
  21 /// constructors, move assignment operators, the main() function,
  22 /// swap() functions, functions marked with throw() or noexcept and functions
  23 /// given as option to the checker.
  24 ///
  25 /// For the user-facing documentation see:
  26 /// http://clang.llvm.org/extra/clang-tidy/checks/bugprone/exception-escape.html
  27 class ExceptionEscapeCheck : public ClangTidyCheck {
  28 public:
  29   ExceptionEscapeCheck(StringRef Name, ClangTidyContext *Context);
  30   bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
  31     return LangOpts.CPlusPlus && LangOpts.CXXExceptions;
  32   }
  33   void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
  34   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
  35   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
  36
  37 private:
  38   std::string RawFunctionsThatShouldNotThrow;
  39   std::string RawIgnoredExceptions;
  40
  41   llvm::StringSet<> FunctionsThatShouldNotThrow;
  42   utils::ExceptionAnalyzer Tracer;
  43 };
  44
  45 } // namespace bugprone
  46 } // namespace tidy
  47 } // namespace clang
  48
  49 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_EXCEPTION_ESCAPE_H