59 lines
2.2 KiB
C++
59 lines
2.2 KiB
C++
//===--- UnnamedNamespaceInHeaderCheck.cpp - clang-tidy ---------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "UnnamedNamespaceInHeaderCheck.h"
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#include "clang/AST/ASTContext.h"
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#include "clang/ASTMatchers/ASTMatchFinder.h"
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#include "clang/ASTMatchers/ASTMatchers.h"
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using namespace clang::ast_matchers;
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namespace clang::tidy::google::build {
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UnnamedNamespaceInHeaderCheck::UnnamedNamespaceInHeaderCheck(
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StringRef Name, ClangTidyContext *Context)
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: ClangTidyCheck(Name, Context) {
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std::optional<StringRef> HeaderFileExtensionsOption =
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Options.get("HeaderFileExtensions");
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RawStringHeaderFileExtensions =
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HeaderFileExtensionsOption.value_or(utils::defaultHeaderFileExtensions());
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if (HeaderFileExtensionsOption) {
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if (!utils::parseFileExtensions(RawStringHeaderFileExtensions,
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HeaderFileExtensions,
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utils::defaultFileExtensionDelimiters())) {
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this->configurationDiag("Invalid header file extension: '%0'")
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<< RawStringHeaderFileExtensions;
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}
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} else
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HeaderFileExtensions = Context->getHeaderFileExtensions();
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}
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void UnnamedNamespaceInHeaderCheck::storeOptions(
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ClangTidyOptions::OptionMap &Opts) {
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Options.store(Opts, "HeaderFileExtensions", RawStringHeaderFileExtensions);
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}
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void UnnamedNamespaceInHeaderCheck::registerMatchers(
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ast_matchers::MatchFinder *Finder) {
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Finder->addMatcher(namespaceDecl(isAnonymous()).bind("anonymousNamespace"),
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this);
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}
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void UnnamedNamespaceInHeaderCheck::check(
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const MatchFinder::MatchResult &Result) {
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const auto *N = Result.Nodes.getNodeAs<NamespaceDecl>("anonymousNamespace");
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SourceLocation Loc = N->getBeginLoc();
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if (!Loc.isValid())
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return;
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if (utils::isPresumedLocInHeaderFile(Loc, *Result.SourceManager,
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HeaderFileExtensions))
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diag(Loc, "do not use unnamed namespaces in header files");
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}
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} // namespace clang::tidy::google::build
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