| //===--- UnsafeFunctionsCheck.h - clang-tidy --------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_UNSAFEFUNCTIONSCHECK_H |
| #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_UNSAFEFUNCTIONSCHECK_H |
| |
| #include "../ClangTidyCheck.h" |
| #include <optional> |
| |
| namespace clang { |
| namespace tidy { |
| namespace bugprone { |
| |
| /// Checks for functions that have safer, more secure replacements available, or |
| /// are considered deprecated due to design flaws. This check relies heavily on, |
| /// but is not exclusive to, the functions from the |
| /// Annex K. "Bounds-checking interfaces" of C11. |
| /// |
| /// http://clang.llvm.org/extra/clang-tidy/checks/bugprone/unsafe-functions.html |
| class UnsafeFunctionsCheck : public ClangTidyCheck { |
| public: |
| UnsafeFunctionsCheck(StringRef Name, ClangTidyContext *Context); |
| void storeOptions(ClangTidyOptions::OptionMap &Opts) override; |
| |
| void registerMatchers(ast_matchers::MatchFinder *Finder) override; |
| void check(const ast_matchers::MatchFinder::MatchResult &Result) override; |
| |
| void registerPPCallbacks(const SourceManager &SM, Preprocessor *PP, |
| Preprocessor *ModuleExpanderPP) override; |
| void onEndOfTranslationUnit() override; |
| |
| private: |
| /// If true, additional functions from widely used API-s (such as POSIX) are |
| /// added to the list of reported functions. |
| const bool ReportMoreUnsafeFunctions; |
| |
| Preprocessor *PP = nullptr; |
| /// Whether "Annex K" functions are available and should be |
| /// suggested in diagnostics. This is filled and cached internally. |
| std::optional<bool> IsAnnexKAvailable; |
| }; |
| |
| } // namespace bugprone |
| } // namespace tidy |
| } // namespace clang |
| |
| #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_UNSAFEFUNCTIONSCHECK_H |