UncheckedOptionalAccessCheck.h

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//===--- UncheckedOptionalAccessCheck.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_UNCHECKEDOPTIONALACCESSCHECK_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_UNCHECKEDOPTIONALACCESSCHECK_H
 
#include "../ClangTidyCheck.h"
#include "clang/ASTMatchers/ASTMatchFinder.h"
 
namespace clang {
namespace tidy {
namespace bugprone {
 
/// Warns when the code is unwrapping a `std::optional<T>`, `absl::optional<T>`,
/// or `base::Optional<T>` object without assuring that it contains a value.
///
/// For the user-facing documentation see:
/// http://clang.llvm.org/extra/clang-tidy/checks/bugprone/unchecked-optional-access.html
class UncheckedOptionalAccessCheck : public ClangTidyCheck {
public:
  UncheckedOptionalAccessCheck(StringRef Name, ClangTidyContext *Context)
      : ClangTidyCheck(Name, Context) {}
  void registerMatchers(ast_matchers::MatchFinder *Finder) override;
  void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
  bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
    return LangOpts.CPlusPlus;
  }
};
 
} // namespace bugprone
} // namespace tidy
} // namespace clang
 
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_UNCHECKEDOPTIONALACCESSCHECK_H