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