| 1 | //===--- AvoidNSErrorInitCheck.cpp - clang-tidy----------------------------===// |
|---|---|
| 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-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "AvoidNSErrorInitCheck.h" |
| 10 | #include "clang/AST/ASTContext.h" |
| 11 | #include "clang/ASTMatchers/ASTMatchFinder.h" |
| 12 | |
| 13 | using namespace clang::ast_matchers; |
| 14 | |
| 15 | namespace clang::tidy::objc { |
| 16 | |
| 17 | void AvoidNSErrorInitCheck::registerMatchers(MatchFinder *Finder) { |
| 18 | Finder->addMatcher(NodeMatch: objcMessageExpr(hasSelector(BaseName: "init"), |
| 19 | hasReceiverType(InnerMatcher: asString(Name: "NSError *"))) |
| 20 | .bind(ID: "nserrorInit"), |
| 21 | Action: this); |
| 22 | } |
| 23 | |
| 24 | void AvoidNSErrorInitCheck::check(const MatchFinder::MatchResult &Result) { |
| 25 | const auto *MatchedExpr = |
| 26 | Result.Nodes.getNodeAs<ObjCMessageExpr>(ID: "nserrorInit"); |
| 27 | diag(Loc: MatchedExpr->getBeginLoc(), |
| 28 | Description: "use errorWithDomain:code:userInfo: or initWithDomain:code:userInfo: to " |
| 29 | "create a new NSError"); |
| 30 | } |
| 31 | |
| 32 | } // namespace clang::tidy::objc |
| 33 |