forked from OSchip/llvm-project
64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
//===--- UnnamedNamespaceInHeaderCheck.cpp - clang-tidy ---------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "UnnamedNamespaceInHeaderCheck.h"
|
|
#include "clang/AST/ASTContext.h"
|
|
#include "clang/ASTMatchers/ASTMatchFinder.h"
|
|
#include "clang/ASTMatchers/ASTMatchers.h"
|
|
|
|
using namespace clang::ast_matchers;
|
|
|
|
namespace clang {
|
|
namespace tidy {
|
|
namespace google {
|
|
namespace build {
|
|
|
|
UnnamedNamespaceInHeaderCheck::UnnamedNamespaceInHeaderCheck(
|
|
StringRef Name, ClangTidyContext *Context)
|
|
: ClangTidyCheck(Name, Context),
|
|
RawStringHeaderFileExtensions(
|
|
Options.getLocalOrGlobal("HeaderFileExtensions", "h,hh,hpp,hxx")) {
|
|
if (!utils::parseHeaderFileExtensions(RawStringHeaderFileExtensions,
|
|
HeaderFileExtensions, ',')) {
|
|
llvm::errs() << "Invalid header file extension: "
|
|
<< RawStringHeaderFileExtensions << "\n";
|
|
}
|
|
}
|
|
|
|
void UnnamedNamespaceInHeaderCheck::storeOptions(
|
|
ClangTidyOptions::OptionMap &Opts) {
|
|
Options.store(Opts, "HeaderFileExtensions", RawStringHeaderFileExtensions);
|
|
}
|
|
|
|
void UnnamedNamespaceInHeaderCheck::registerMatchers(
|
|
ast_matchers::MatchFinder *Finder) {
|
|
// Only register the matchers for C++; the functionality currently does not
|
|
// provide any benefit to other languages, despite being benign.
|
|
if (getLangOpts().CPlusPlus)
|
|
Finder->addMatcher(namespaceDecl(isAnonymous()).bind("anonymousNamespace"),
|
|
this);
|
|
}
|
|
|
|
void UnnamedNamespaceInHeaderCheck::check(
|
|
const MatchFinder::MatchResult &Result) {
|
|
const auto *N = Result.Nodes.getNodeAs<NamespaceDecl>("anonymousNamespace");
|
|
SourceLocation Loc = N->getLocStart();
|
|
if (!Loc.isValid())
|
|
return;
|
|
|
|
if (utils::isPresumedLocInHeaderFile(Loc, *Result.SourceManager,
|
|
HeaderFileExtensions))
|
|
diag(Loc, "do not use unnamed namespaces in header files");
|
|
}
|
|
|
|
} // namespace build
|
|
} // namespace google
|
|
} // namespace tidy
|
|
} // namespace clang
|