forked from OSchip/llvm-project
50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
//===--- DontModifyStdNamespaceCheck.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 "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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if (!getLangOpts().CPlusPlus)
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return;
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Finder->addMatcher(
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namespaceDecl(unless(isExpansionInSystemHeader()),
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anyOf(hasName("std"), hasName("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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