| //===--- UsingNamespaceDirectiveCheck.cpp - clang-tidy ----------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "UsingNamespaceDirectiveCheck.h" |
| #include "clang/AST/ASTContext.h" |
| #include "clang/ASTMatchers/ASTMatchFinder.h" |
| #include "clang/ASTMatchers/ASTMatchers.h" |
| |
| using namespace clang::ast_matchers; |
| |
| namespace clang { |
| namespace tidy { |
| namespace build { |
| |
| void UsingNamespaceDirectiveCheck::registerMatchers( |
| ast_matchers::MatchFinder *Finder) { |
| Finder->addMatcher(usingDirectiveDecl().bind("usingNamespace"), this); |
| } |
| |
| void |
| UsingNamespaceDirectiveCheck::check(const MatchFinder::MatchResult &Result) { |
| const auto *U = Result.Nodes.getNodeAs<UsingDirectiveDecl>("usingNamespace"); |
| SourceLocation Loc = U->getLocStart(); |
| if (U->isImplicit() || !Loc.isValid()) |
| return; |
| |
| diag(Loc, "do not use namespace using-directives. Use using-declarations " |
| "instead."); |
| // TODO: We could suggest a list of using directives replacing the using |
| // namespace directive. |
| } |
| |
| } // namespace build |
| } // namespace tidy |
| } // namespace clang |