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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"
#include "clang/Analysis/FlowSensitive/Models/UncheckedOptionalAccessModel.h"
#include <optional>
namespace clang::tidy::bugprone {
/// Warns when the code is unwrapping a `std::optional<T>`, `absl::optional<T>`,
/// or `base::std::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),
ModelOptions{
Options.getLocalOrGlobal("IgnoreSmartPointerDereference", false)} {}
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;
}
void storeOptions(ClangTidyOptions::OptionMap &Opts) override {
Options.store(Opts, "IgnoreSmartPointerDereference",
ModelOptions.IgnoreSmartPointerDereference);
}
private:
dataflow::UncheckedOptionalAccessModelOptions ModelOptions;
};
} // namespace clang::tidy::bugprone
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_UNCHECKEDOPTIONALACCESSCHECK_H
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