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//===--- NoNamespaceCheck.cpp - clang-tidy---------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "NoNamespaceCheck.h"
#include "AbseilMatcher.h"
#include "clang/AST/ASTContext.h"
#include "clang/ASTMatchers/ASTMatchFinder.h"
using namespace clang::ast_matchers;
namespace clang {
namespace tidy {
namespace abseil {
void NoNamespaceCheck::registerMatchers(MatchFinder *Finder) {
if (!getLangOpts().CPlusPlus)
return;
Finder->addMatcher(
namespaceDecl(hasName("::absl"), unless(isInAbseilFile()))
.bind("abslNamespace"),
this);
}
void NoNamespaceCheck::check(const MatchFinder::MatchResult &Result) {
const auto *abslNamespaceDecl =
Result.Nodes.getNodeAs<NamespaceDecl>("abslNamespace");
diag(abslNamespaceDecl->getLocation(),
"namespace 'absl' is reserved for implementation of the Abseil library "
"and should not be opened in user code");
}
} // namespace abseil
} // namespace tidy
} // namespace clang
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