1//===--- NoNamespaceCheck.cpp - clang-tidy---------------------------------===//
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-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "NoNamespaceCheck.h"
10#include "AbseilMatcher.h"
11#include "clang/AST/ASTContext.h"
12#include "clang/ASTMatchers/ASTMatchFinder.h"
13
14using namespace clang::ast_matchers;
15
16namespace clang::tidy::abseil {
17
18void NoNamespaceCheck::registerMatchers(MatchFinder *Finder) {
19 Finder->addMatcher(
20 NodeMatch: namespaceDecl(hasName(Name: "::absl"), unless(isInAbseilFile()))
21 .bind(ID: "abslNamespace"),
22 Action: this);
23}
24
25void NoNamespaceCheck::check(const MatchFinder::MatchResult &Result) {
26 const auto *AbslNamespaceDecl =
27 Result.Nodes.getNodeAs<NamespaceDecl>(ID: "abslNamespace");
28
29 diag(AbslNamespaceDecl->getLocation(),
30 "namespace 'absl' is reserved for implementation of the Abseil library "
31 "and should not be opened in user code");
32}
33
34} // namespace clang::tidy::abseil
35

source code of clang-tools-extra/clang-tidy/abseil/NoNamespaceCheck.cpp