forked from OSchip/llvm-project
48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
//===--- UnnamedNamespaceInHeaderCheck.cpp - clang-tidy ---------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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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 {
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namespace tidy {
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namespace google {
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namespace build {
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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
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UnnamedNamespaceInHeaderCheck::check(const MatchFinder::MatchResult &Result) {
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SourceManager *SM = Result.SourceManager;
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const auto *N = Result.Nodes.getNodeAs<NamespaceDecl>("anonymousNamespace");
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SourceLocation Loc = N->getLocStart();
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if (!Loc.isValid())
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return;
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// Look if we're inside a header, check for common suffixes only.
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// TODO: Allow configuring the set of file extensions.
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StringRef FileName = SM->getPresumedLoc(Loc).getFilename();
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if (FileName.endswith(".h") || FileName.endswith(".hh") ||
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FileName.endswith(".hpp") || FileName.endswith(".hxx"))
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diag(Loc, "do not use unnamed namespaces in header files.");
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}
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} // namespace build
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} // namespace google
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} // namespace tidy
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} // namespace clang
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