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);
isLanguageVersionSupported(const LangOptions & LangOpts)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
46