clang-tidy/objc/AvoidNSErrorInitCheck.h

0001 //===--- AvoidNSErrorInitCheck.h - clang-tidy--------------------*- C++ -*-===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008
0009 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_OBJC_AVOIDNSERRORINITCHECK_H
0010 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_OBJC_AVOIDNSERRORINITCHECK_H
0011
0012 #include "../ClangTidyCheck.h"
0013
0014 namespace clang::tidy::objc {
0015
0016 /// Finds usages of -[NSError init]. It is not the proper way of creating
0017 /// NSError. errorWithDomain:code:userInfo: should be used instead.
0018 ///
0019 /// For the user-facing documentation see:
0020 /// http://clang.llvm.org/extra/clang-tidy/checks/objc/avoid-nserror-init.html
0021 class AvoidNSErrorInitCheck : public ClangTidyCheck {
0022  public:
0023   AvoidNSErrorInitCheck(StringRef Name, ClangTidyContext *Context)
0024       : ClangTidyCheck(Name, Context) {}
0025   bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
0026     return LangOpts.ObjC;
0027   }
0028   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
0029   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
0030 };
0031
0032 } // namespace clang::tidy::objc
0033
0034 #endif  // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_OBJC_AVOIDNSERRORINITCHECK_H