clang-tools 6.0.0

AvoidNSErrorInitCheck.cpp
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1 //===--- AvoidNSErrorInitCheck.cpp - clang-tidy----------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 #include "AvoidNSErrorInitCheck.h"
11 #include "clang/AST/ASTContext.h"
12 #include "clang/ASTMatchers/ASTMatchFinder.h"
13
14 using namespace clang::ast_matchers;
15
16 namespace clang {
17 namespace tidy {
18 namespace objc {
19
20 void AvoidNSErrorInitCheck::registerMatchers(MatchFinder *Finder) {
21 Finder->addMatcher(objcMessageExpr(hasSelector("init"),
22 hasReceiverType(asString("NSError *")))
23 .bind("nserrorInit"),
24 this);
25 }
26
27 void AvoidNSErrorInitCheck::check(const MatchFinder::MatchResult &Result) {
28 const auto *MatchedExpr =
29 Result.Nodes.getNodeAs<ObjCMessageExpr>("nserrorInit");
30 diag(MatchedExpr->getLocStart(),
31 "use errorWithDomain:code:userInfo: or initWithDomain:code:userInfo: to "
32 "create a new NSError");
33 }
34
35 } // namespace objc
36 } // namespace tidy
37 } // namespace clang
clang::ast_matchers
Definition: ClangTidyDiagnosticConsumer.h:27
clang
Definition: AndroidTidyModule.cpp:28
AvoidNSErrorInitCheck.h