clang-tools  16.0.0git
AvoidNSErrorInitCheck.cpp
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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 
10 #include "clang/AST/ASTContext.h"
11 #include "clang/ASTMatchers/ASTMatchFinder.h"
12 
13 using namespace clang::ast_matchers;
14 
15 namespace clang {
16 namespace tidy {
17 namespace objc {
18 
19 void AvoidNSErrorInitCheck::registerMatchers(MatchFinder *Finder) {
20  Finder->addMatcher(objcMessageExpr(hasSelector("init"),
21  hasReceiverType(asString("NSError *")))
22  .bind("nserrorInit"),
23  this);
24 }
25 
26 void AvoidNSErrorInitCheck::check(const MatchFinder::MatchResult &Result) {
27  const auto *MatchedExpr =
28  Result.Nodes.getNodeAs<ObjCMessageExpr>("nserrorInit");
29  diag(MatchedExpr->getBeginLoc(),
30  "use errorWithDomain:code:userInfo: or initWithDomain:code:userInfo: to "
31  "create a new NSError");
32 }
33 
34 } // namespace objc
35 } // namespace tidy
36 } // namespace clang
clang::ast_matchers
Definition: AbseilMatcher.h:14
clang
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
Definition: ApplyReplacements.h:27
clang::clangd::check
bool check(llvm::StringRef File, const ThreadsafeFS &TFS, const ClangdLSPServer::Options &Opts)
Definition: Check.cpp:418
AvoidNSErrorInitCheck.h