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