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//===--- AvoidNSErrorInitCheck.cpp - clang-tidy----------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "AvoidNSErrorInitCheck.h"
#include "clang/AST/ASTContext.h"
#include "clang/ASTMatchers/ASTMatchFinder.h"
using namespace clang::ast_matchers;
namespace clang {
namespace tidy {
namespace objc {
void AvoidNSErrorInitCheck::registerMatchers(MatchFinder *Finder) {
// this check should only be applied to ObjC sources.
if (!getLangOpts().ObjC1 && !getLangOpts().ObjC2) {
return;
}
Finder->addMatcher(objcMessageExpr(hasSelector("init"),
hasReceiverType(asString("NSError *")))
.bind("nserrorInit"),
this);
}
void AvoidNSErrorInitCheck::check(const MatchFinder::MatchResult &Result) {
const auto *MatchedExpr =
Result.Nodes.getNodeAs<ObjCMessageExpr>("nserrorInit");
diag(MatchedExpr->getLocStart(),
"use errorWithDomain:code:userInfo: or initWithDomain:code:userInfo: to "
"create a new NSError");
}
} // namespace objc
} // namespace tidy
} // namespace clang
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