Björn Svensson 803cbcbc40
[clang-tidy] Enable C23 support in modernize-use-nullptr (#89990)
C23 introduces the `nullptr` constant similar to C++11 which means that
the checker `modernize-use-nullptr` can be used on C23 code as well.

This PR enables the checker to be run on C23 and adds testcases.

See N3042:
https://open-std.org/JTC1/SC22/WG14/www/docs/n3042.htm
2024-04-27 20:50:04 +02:00

37 lines
1.3 KiB
C++

//===--- UseNullptrCheck.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_MODERNIZE_USE_NULLPTR_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_USE_NULLPTR_H
#include "../ClangTidyCheck.h"
namespace clang::tidy::modernize {
class UseNullptrCheck : public ClangTidyCheck {
public:
UseNullptrCheck(StringRef Name, ClangTidyContext *Context);
bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
// FIXME this should be CPlusPlus11 but that causes test cases to
// erroneously fail.
return LangOpts.CPlusPlus || LangOpts.C23;
}
void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
void registerMatchers(ast_matchers::MatchFinder *Finder) override;
void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
private:
const StringRef NullMacrosStr;
SmallVector<StringRef, 1> NullMacros;
std::vector<StringRef> IgnoredTypes;
};
} // namespace clang::tidy::modernize
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_USE_NULLPTR_H