48 lines · c
1//===----------------------------------------------------------------------===//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-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_UNCHECKEDOPTIONALACCESSCHECK_H10#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_UNCHECKEDOPTIONALACCESSCHECK_H11 12#include "../ClangTidyCheck.h"13#include "clang/ASTMatchers/ASTMatchFinder.h"14#include "clang/Analysis/FlowSensitive/Models/UncheckedOptionalAccessModel.h"15 16namespace clang::tidy::bugprone {17 18/// Warns when the code is unwrapping a `std::optional<T>`, `absl::optional<T>`,19/// or `base::std::optional<T>` object without assuring that it contains a20/// value.21///22/// For the user-facing documentation see:23/// https://clang.llvm.org/extra/clang-tidy/checks/bugprone/unchecked-optional-access.html24class UncheckedOptionalAccessCheck : public ClangTidyCheck {25public:26 UncheckedOptionalAccessCheck(StringRef Name, ClangTidyContext *Context)27 : ClangTidyCheck(Name, Context),28 ModelOptions{Options.get("IgnoreSmartPointerDereference", false),29 Options.get("IgnoreValueCalls", false)} {}30 void registerMatchers(ast_matchers::MatchFinder *Finder) override;31 void check(const ast_matchers::MatchFinder::MatchResult &Result) override;32 bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {33 return LangOpts.CPlusPlus;34 }35 void storeOptions(ClangTidyOptions::OptionMap &Opts) override {36 Options.store(Opts, "IgnoreSmartPointerDereference",37 ModelOptions.IgnoreSmartPointerDereference);38 Options.store(Opts, "IgnoreValueCalls", ModelOptions.IgnoreValueCalls);39 }40 41private:42 dataflow::UncheckedOptionalAccessModelOptions ModelOptions;43};44 45} // namespace clang::tidy::bugprone46 47#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_UNCHECKEDOPTIONALACCESSCHECK_H48