| //===--- DontModifyStdNamespaceCheck.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 "DontModifyStdNamespaceCheck.h" |
| #include "clang/AST/ASTContext.h" |
| #include "clang/ASTMatchers/ASTMatchFinder.h" |
| |
| using namespace clang::ast_matchers; |
| |
| namespace clang { |
| namespace tidy { |
| namespace cert { |
| |
| void DontModifyStdNamespaceCheck::registerMatchers(MatchFinder *Finder) { |
| if (!getLangOpts().CPlusPlus) |
| return; |
| |
| Finder->addMatcher( |
| namespaceDecl(unless(isExpansionInSystemHeader()), |
| anyOf(hasName("std"), hasName("posix")), |
| has(decl(unless(anyOf( |
| functionDecl(isExplicitTemplateSpecialization()), |
| cxxRecordDecl(isExplicitTemplateSpecialization())))))) |
| .bind("nmspc"), |
| this); |
| } |
| |
| void DontModifyStdNamespaceCheck::check( |
| const MatchFinder::MatchResult &Result) { |
| const auto *N = Result.Nodes.getNodeAs<NamespaceDecl>("nmspc"); |
| |
| // Only consider top level namespaces. |
| if (N->getParent() != Result.Context->getTranslationUnitDecl()) |
| return; |
| |
| diag(N->getLocation(), |
| "modification of %0 namespace can result in undefined behavior") |
| << N; |
| } |
| |
| } // namespace cert |
| } // namespace tidy |
| } // namespace clang |
