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//===--- 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/ASTMatchers/ASTMatchFinder.h"
#include "clang/ASTMatchers/ASTMatchers.h"
#include "clang/AST/ASTContext.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
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