clang-tools  14.0.0git
NoNamespaceCheck.cpp
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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 
14 using namespace clang::ast_matchers;
15 
16 namespace clang {
17 namespace tidy {
18 namespace abseil {
19 
20 void NoNamespaceCheck::registerMatchers(MatchFinder *Finder) {
21  Finder->addMatcher(
22  namespaceDecl(hasName("::absl"), unless(isInAbseilFile()))
23  .bind("abslNamespace"),
24  this);
25 }
26 
27 void NoNamespaceCheck::check(const MatchFinder::MatchResult &Result) {
28  const auto *AbslNamespaceDecl =
29  Result.Nodes.getNodeAs<NamespaceDecl>("abslNamespace");
30 
31  diag(AbslNamespaceDecl->getLocation(),
32  "namespace 'absl' is reserved for implementation of the Abseil library "
33  "and should not be opened in user code");
34 }
35 
36 } // namespace abseil
37 } // namespace tidy
38 } // namespace clang
clang::ast_matchers
Definition: AbseilMatcher.h:14
clang::clangd::check
bool check(llvm::StringRef File, llvm::function_ref< bool(const Position &)> ShouldCheckLine, const ThreadsafeFS &TFS, const ClangdLSPServer::Options &Opts, bool EnableCodeCompletion)
Definition: Check.cpp:258
AbseilMatcher.h
clang
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
Definition: ApplyReplacements.h:27
NoNamespaceCheck.h