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46 lines
1.4 KiB
46 lines
1.4 KiB
7 months ago
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//===--- DontModifyStdNamespaceCheck.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 "DontModifyStdNamespaceCheck.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 cert {
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void DontModifyStdNamespaceCheck::registerMatchers(MatchFinder *Finder) {
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Finder->addMatcher(
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namespaceDecl(unless(isExpansionInSystemHeader()),
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hasAnyName("std", "posix"),
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has(decl(unless(anyOf(
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functionDecl(isExplicitTemplateSpecialization()),
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cxxRecordDecl(isExplicitTemplateSpecialization()))))))
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.bind("nmspc"),
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this);
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}
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void DontModifyStdNamespaceCheck::check(
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const MatchFinder::MatchResult &Result) {
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const auto *N = Result.Nodes.getNodeAs<NamespaceDecl>("nmspc");
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// Only consider top level namespaces.
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if (N->getParent() != Result.Context->getTranslationUnitDecl())
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return;
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diag(N->getLocation(),
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"modification of %0 namespace can result in undefined behavior")
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<< N;
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}
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} // namespace cert
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} // namespace tidy
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} // namespace clang
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