forked from OSchip/llvm-project
43 lines
1.5 KiB
C++
43 lines
1.5 KiB
C++
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//===--- DeallocInCategoryCheck.cpp - clang-tidy -------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "DeallocInCategoryCheck.h"
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#include "clang/AST/ASTContext.h"
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#include "clang/AST/DeclObjC.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 DeallocInCategoryCheck::registerMatchers(MatchFinder *Finder) {
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// Non-NSObject/NSProxy-derived objects may not have -dealloc as a special
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// method. However, it seems highly unrealistic to expect many false-positives
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// by warning on -dealloc in categories on classes without one of those
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// base classes.
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Finder->addMatcher(
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objcMethodDecl(isInstanceMethod(), hasName("dealloc"),
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hasDeclContext(objcCategoryImplDecl().bind("impl")))
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.bind("dealloc"),
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this);
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}
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void DeallocInCategoryCheck::check(const MatchFinder::MatchResult &Result) {
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const auto *DeallocDecl = Result.Nodes.getNodeAs<ObjCMethodDecl>("dealloc");
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const auto *CID = Result.Nodes.getNodeAs<ObjCCategoryImplDecl>("impl");
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assert(DeallocDecl != nullptr);
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diag(DeallocDecl->getLocation(), "category %0 should not implement -dealloc")
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<< CID;
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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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