41 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "UnnamedNamespaceInHeaderCheck.h"10#include "clang/ASTMatchers/ASTMatchFinder.h"11#include "clang/ASTMatchers/ASTMatchers.h"12 13using namespace clang::ast_matchers;14 15namespace clang::tidy::google::build {16 17UnnamedNamespaceInHeaderCheck::UnnamedNamespaceInHeaderCheck(18 StringRef Name, ClangTidyContext *Context)19 : ClangTidyCheck(Name, Context),20 HeaderFileExtensions(Context->getHeaderFileExtensions()) {}21 22void UnnamedNamespaceInHeaderCheck::registerMatchers(23 ast_matchers::MatchFinder *Finder) {24 Finder->addMatcher(namespaceDecl(isAnonymous()).bind("anonymousNamespace"),25 this);26}27 28void UnnamedNamespaceInHeaderCheck::check(29 const MatchFinder::MatchResult &Result) {30 const auto *N = Result.Nodes.getNodeAs<NamespaceDecl>("anonymousNamespace");31 const SourceLocation Loc = N->getBeginLoc();32 if (!Loc.isValid())33 return;34 35 if (utils::isPresumedLocInHeaderFile(Loc, *Result.SourceManager,36 HeaderFileExtensions))37 diag(Loc, "do not use unnamed namespaces in header files");38}39 40} // namespace clang::tidy::google::build41